JP2004118208A - Method for selecting spectacle frame - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable an operator to more rapidly determine and order spectacles with design which attaches a higher value to spectacle orderer's preference by performing only a procedure considered to be necessary. <P>SOLUTION: In a customization system of spectacles with which an operator determines specifications of spectacles necessary for an order for spectacles and including necessary items on each member of spectacles by an interactive mode using means including a display screen by computer control, arbitrary one is chosen from a plurality of previously prepared base designs of frames on the display screen, and on the basis of frames with the chosen base design, optimum specifications of spectacles which suit spectacle orderer's preference can be determined and ordered on the display screen by arbitrarily changing the kinds of frames, lens shape and members of spectacles including parts. <P>COPYRIGHT: (C)2004,JPO

Description

The present invention uses a computer-controlled display screen to provide a bespoke system for determining spectacles of a design that emphasizes the preferences of the spectacle orderer, and a composite image that superimposes a portrait and a spectacle frame suitable for this system. The present invention relates to a creation method, a method for determining the positions of the eyepieces and bridges of glasses, and a method for changing the type of glasses frame.

2. Description of the Related Art Conventionally, a portrait (face image) of a spectacle wearer (spectacle orderer) has been captured into a computer using a computer graphics method and the like, and the features of the facial features have been captured and analyzed according to a predetermined procedure. There has been proposed a method of designing a spectacle shape by applying the result to a predetermined design rule (for example, see Patent Documents 1 and 2).
The conventional method described above is characterized in that the spectacle wearer's facial features are compared with the conventional method in which the design of spectacles tends to be determined with little consideration of the differences in the facial features of the spectacle wearer. Is analyzed by computer to generate a design that fits the facial features, thereby increasing the possibility of obtaining a spectacle design more suitable for the facial features of the spectacle wearer.
JP-A-5-35827 JP-A-7168875

By the way, in the above-mentioned conventional method, a computer mainly performs a procedure of analyzing features of the facial features and selecting a design matching the features.
In other words, in this method, it is ultimately the system software creator, such as a designer or a programmer, that determines the feature analysis of the facial features and the design that fits the analyzed feature.
Therefore, it is unavoidable that the obtained design largely depends on the sensitivity and way of thinking of the creator of the system software.

デ ザ イ ン However, design preferences vary from person to person, and it is rather unlikely that the sensitivity of a particular designer will be accepted by all.

Therefore, the above-mentioned conventional method can provide a satisfactory result when the sensibility of the designer or the like works in a favorable direction, but at the same time, it is quite possible that the opposite case occurs. Moreover, in the above method, the main steps, including the step of capturing the facial image, are determined in advance by computer software, and there is little room for selection by the operator.

に は All of the specified steps are always executed automatically for design decision. Therefore, in some cases, unnecessary time may be used instead of the design decision.

The present invention has been made in view of the above-described background, and it is possible to more quickly determine and order glasses having a design that places more emphasis on the preferences of the eyeglass orderer by performing only procedures that the operator considers necessary. It is an object of the present invention to provide a custom-made glasses system.

In addition, in order to use it for design of eyeglasses, etc., conventionally, a frontal portrait of a person's head is captured on a computer-controlled display screen using an imaging function, and a frame image of eyeglasses is overlaid on a portrait on the screen. A spectacle wearing simulation apparatus for displaying a portrait wearing spectacles is known (JP-A-63-76581).

In such a conventional simulation apparatus, as a method of superimposing a frame image on a portrait, a method of searching for an optimal position while moving the frame image and superimposing the frame image, or a method of (a) The coordinates of the corneal vertices 202L and 202R are calculated to obtain a line segment 203 connecting the corneal vertices 202L and 202R. (B) The bisecting point of the line segment 203 is defined as a reference point 205, and a frame is set at the reference point 205. Attempts have been made to superimpose the images by matching the reference points of the images.

However, even if a portrait and a frame image are superimposed intuitively on the screen and an accurate front image is not captured, it may deviate from the actual wearing state. No. Further, since the portrait is not necessarily symmetrical, it is not possible to simulate a natural wearing state of the glasses even if the frame images are overlapped with the middle point of the line segment connecting the corneal vertices on the portrait as the reference point of the portrait. Furthermore, only the simulation based on the front image does not provide enough information for selecting glasses.

The present invention has been made in view of the above circumstances, and has an object to enable a natural spectacle wearing simulation in consideration of the left-right asymmetry of a facial feature, and to enable a spectacle wearing simulation viewed from the side of a face to select eyeglasses. To provide accurate and sufficient information for

In addition, as an element that determines the design of eyeglasses, in addition to the lens shape, the design of each part itself and its arrangement position are also considered important, and various decorations are given to each part, Attempts have been made to create unique shapes.

Therefore, of course, various designs for the yoroi and the bridge are conceivable, and various measures such as mounting ornaments have been devised.

However, although certain design considerations are made regarding the positions of the yolo and the bridge, usually, the bridge does not hit the nose or the temple, taking into account the average face width and average interpupillary distance. This is determined by the designer from a functional aspect, mainly based on an average model such as whether or not the position is optimal for mounting.

However, when the spectacle wearer actually wears the spectacle frame, it is often thought that changing the position of the yoke and the bridge more closely matches the face shape of the spectacle wearer. Further, some spectacle wearers may desire to set the position of the bridge to a position higher than usual and make the apparent nose look higher.

Conventionally, it was not possible to change the arrangement position of the yoroi or the bridge according to the customer's request, so it was not possible to respond to such a request.

The present invention has been made under the above-described background, and enables the positions of the eyepiece and the bridge of glasses to be determined according to the preferences of the spectacle wearer, and reflects the design of the spectacles to the taste of the spectacle wearer. It is an object of the present invention to provide a method for determining a position of a yoke and a bridge of spectacles.

The eyeglass frames can be roughly classified into three types, a full rim type, a rimron type, and a three-piece type (sometimes referred to as a rimless type) mainly due to a difference in structure for holding the lens.
In the full rim type, the entire outer periphery of the lens is surrounded by a rim, and in the rimron type, as a basic structure, a part or all of the upper side of the outer periphery of the lens is surrounded by a rim, and the lower side is a nylon thread. In the three-piece type, the bridge and temple are directly attached to the lens without using a rim.

By the way, it is not realistic to prepare all of the above three types and display or stock them for each frame having various design images. Therefore, it is general that one type of frame is prepared for one design image. is there.
However, although the design image of the frame displayed in the eyeglass store matches the customer's request, the frame type may not meet the customer's request in many cases.

Therefore, in such a case, the design is for the displayed frame, and eyeglasses in which only the frame type is changed are required. However, conventionally, it has been extremely difficult in practice to respond to such customer requests.

In other words, when changing the frame type, if the data of the frame before the change can be completely used as the data of the frame after the change (design or manufacturing data), the change can be made relatively easily.

However, due to differences in the structure of different types of frames, it is often not possible to actually manufacture even if the data of the frame before the change is simply used as the data of the completely changed frame (design or manufacturing data). . Therefore, in such a case, it is necessary to start with almost the same as a new frame design, which is not practical.

The present invention has been made under the above-described background, and it is relatively easy to change a design image by performing a data correction operation and a data addition operation based on a predetermined standard on data regarding an eyeglass frame before change. It is an object of the present invention to provide a method for changing the type of spectacle frames, which enables the type of frame to be changed without changing the frame type.

In order to achieve the above object, the present invention has the following configurations.
The glasses custom-made system of the present invention
(Structure 1) Customized spectacles in which an operator determines spectacle specifications necessary for spectacle order including necessary items for each constituent member of spectacles by an interactive method using means including a display screen controlled by a computer. The system
On the display screen, any one of a plurality of types of base design frames prepared in advance is selected, and based on the selected base design frame, various frame types, lens shapes, By arbitrarily changing the constituent members of the glasses including the parts, it is possible to determine the optimum spectacle specification according to the preference of the spectacle orderer on the display screen and to place an order.

The operator of the custom-made system may be the spectacle orderer himself or the clerk of the spectacle shop or any other person. In short, the intention and preference of the spectacle orderer were sufficiently reflected in the operation of the custom-made system. What is necessary is that the design of the glasses is determined by the shape.
In addition, the base design frame is a base model for the eyeglass orderer to select eyeglasses that are close to the design imagined by the eyeglass orderer as a starting point for design determination when determining eyeglasses of the desired design. This is a collection of design frames (when a base design frame is desired, the desired base design frame may be ordered without any change, of course).

Therefore, it is preferable to prepare frames of various designs having different design tendencies so as to be able to respond to the preferences of a wide range of customers (orderers of glasses). For example, as the frame of the base design, a plurality of designs that match the type of frame are prepared for each type of frame (three types of rimless, rimron, and full rim).
It should be noted that there is only one type of frame, and different designs may be collected and used as a base design frame.
In designing eyeglasses, first, there is a method of selecting a specific design lens, bridge, yoro, temple, etc., and assembling these selected eyeglass parts, and designing this method. Difficult to do.

Therefore, in the eyeglasses made-to-order system of the present invention, a plurality of types of base design frames are prepared in advance, and from among the frames of the base design, first, a design imaged by the eyeglass orderer as a starting point of the design decision. By selecting a close frame and, based on the frame of the selected design, making various changes to each component of the eyeglasses, including a change in the type of the frame, according to the user's preference, the original frame with a high degree of freedom can be obtained. I can design glasses.
For this reason, even a general customer can easily create spectacles of a desired design, and can quickly determine spectacles of a design that places more emphasis on the customer's preference by performing only procedures that the operator considers necessary.

The change of each constituent member of the glasses includes correction, addition, and deletion of each constituent member.Specifically, the change of the frame type, the replacement of the lens shape, the correction of the lens shape, the Change, addition / deletion of parts, change of parts position, change of size such as eye size and distance between lenses, change of frame component color, change of lens color, change of lens prescription, and the like.
In addition, when changing each of the above components, not only consider the design, but also determine the restrictions and constraints on structure, function, manufacturing, etc., and allow changes within the range that satisfies these conditions. It is preferred that

With this configuration, after the spectacle specification of the desired design is determined and the order of the spectacles is received, the situation that the manufacture cannot be performed due to structural reasons or the like does not occur, and it is possible to immediately shift to the manufacture of the spectacles. .

Also, the bespoke system of the glasses of the present invention,
(Structure 2) Tailor-made spectacles in which an operator determines spectacle specifications necessary for spectacle order including necessary items for each constituent member of spectacles by an interactive method using means including a display screen controlled by a computer. The system
A base design selection function for selecting an arbitrary one from a plurality of types of base design frames prepared in advance on the display screen, a portrait capturing function for capturing a portrait of an eyeglass orderer,
A composite image creation function of superimposing an image of a selected frame on a portrait captured by the portrait capture function and displaying a portrait wearing glasses on the display screen,
Based on the frame of the base design selected using the base design selection function, the necessary items on the display screen are changed for each of a plurality of constituent members of the glasses including various types of frames, lenses and parts. One or more change functions to make corrections or inputs;
A storage function for storing data including one or more eyeglass images obtained on the display screen;
One or more spectacle images including the spectacle images stored by the storage function are displayed on a display screen and compared or examined to determine one or not, and to return to the step of performing the change function without determination. Has a comparison function to determine
After selecting a frame of the base design using the base design selection function, one or more functions of the portrait capture function, the composite image creation function, the one or more change functions, or the comparison and review function are performed. After selecting the frame of the base design by allowing the operator to make any selection, the operator can perform only the procedures or functions that the operator deems necessary, and change the eyeglass orderer's The configuration is such that quick and accurate order operations can be performed by making the most of free will.

In this manner, on the display screen, an arbitrary one is selected from a plurality of types of base design frames prepared in advance, and a portrait capturing function, a synthesis Of the image creation function, one or more modification functions, and the comparison and review function, the operator can freely select only the functions that he / she considers necessary to make the design decision. Rather than performing the procedure determined in advance by computer software, the procedure can be performed according to a procedure selected by the operator's free choice in an interactive manner.

As a result, a design decision can be made that more directly reflects the sensibility and preference of the spectacle orderer, and only the functions that the operator deems necessary can be performed, and rapid processing becomes possible. As an aspect of the above configuration 2,
(Structure 3) In addition to the function of superimposing the front image of the selected frame on the front image of the face of the spectacle orderer captured by the portrait capturing function, the composite image creating function captures the image by the portrait capturing function. And a function of superimposing the side image of the selected frame on the side image of the face of the spectacle orderer.

(4) Only the frontal portrait wearing the spectacle frame gives only the effect of the front portion of the spectacle frame on the spectacle wearer. However, in actuality, in confirming the design of the eyeglass frame, the side portrait wearing the eyeglass frame is important. That is, the design of the spectacle frame greatly changes depending on the ornaments, jewelry, and the like applied to the yoroi and temples, which greatly affects the profile image of the spectacle wearer.

Furthermore, by changing the arrangement (height position) of the temple and changing the profile division ratio by the temple, it is possible to obtain an effect that a short face looks long and a long face looks short.

In addition, you can check the mounting condition of the prescription lens and the frame from various aspects. Therefore, when a side portrait image wearing a spectacle frame is seen, it is possible to determine and select an overall fine-grained design in determining the design of the spectacle frame.

As an aspect of the above configuration 2,
(Configuration 4) The one or more changing functions include a frame type changing function, a lens shape replacing function, a lens shape correcting function, a part changing function, a part position changing function, an eye size, a distance between lenses, and the like. One or more of a size change function to change the color of the frame components, a function to change the lens color, a function to change the wearing scene to change the background of the lens, or a function to input the lens prescription. It is a configuration characterized by including.

As an aspect of the above configuration 2,
(Configuration 5) A configuration is provided in which a function of measuring the face of the spectacle orderer and correcting spectacle specifications in consideration of the measured value is provided.

The portrait of the spectacle orderer wearing spectacles displayed on the display screen is an image obtained by a two-dimensional simulation instead of a three-dimensional simulation, and furthermore, the dimensions and the size of each part of the face such as the face width and the distance between pupils. Only a rough numerical value can be obtained.
For this reason, in order to manufacture a spectacle frame that fits well on the face, accurate numerical data on the three-dimensional dimensions and angles of each part of the face on which the spectacles are worn is required. Therefore, a function for correcting spectacle specifications in consideration of the face measurement value of the spectacle orderer is provided, and an appropriate correction is made to the spectacle specifications determined by the two-dimensional simulation shown on the display screen based on the face measurement data. As a result, an optimal spectacle specification that can be used as manufacturing data for manufacturing spectacles that fit the face and satisfy the optical elements as spectacles is obtained.

The face may be measured using various measuring instruments. To measure quickly and accurately, a dedicated face measuring instrument called a face measure (Japanese Utility Model Application Laid-Open No. 63-110355, Japanese Patent Application No. 9-306003).
This face measuring device is provided with each component of glasses such as a lens, a pad, a yoro, a temple, etc., and is worn on the face in the same manner as glasses, and between the components while the face measuring device is worn on the face. Adjust the size and angle of the face according to the shape of the face. Then, the three-dimensional face shape is measured by reading the dimensions of the constituent members in the adjusted state, the assembling angle between the constituent members, and the like on a scale or the like provided on the face measuring device.

As an aspect of the above configuration 2,
(Structure 6) After the spectacle specifications are determined, an order check database having data including data necessary for spectacle manufacture is accessed to access the order check database including speculativeness, price, or delivery date of spectacles required for spectacle manufacture. It has an order check access function for obtaining information.

As an aspect of the above configuration 6,
(Configuration 7) After the order is checked by performing the order check access function, the order database is accessed having data including order processing, data processing required for manufacturing ordered glasses, and instruction processing required for manufacturing glasses. And an order access function for completing an order.

The synthetic image creating method in the spectacle wearing simulation apparatus of the present invention,
(Arrangement 8) Glasses wearing for displaying a portrait wearing glasses by capturing a frontal portrait of a person's head on a display screen controlled by a computer using an imaging function and superimposing a frame image of glasses on a portrait on the screen. In the simulation device, using actual measurement values depending on the arrangement of the left and right eyes of the person,
The reference point of the portrait captured on the screen is determined, and the reference point of the frame image of the eyeglasses substantially coincides with the reference point of the portrait so that the portrait and the frame image are overlapped.

Normally, since the face of a person viewed from the front is not symmetrical, simply superimposing the center of the frame image on the center of the left and right corneal vertices on the display screen is similar to actually wearing glasses on the face. In many cases, the frame cannot be placed on the face in a natural state.

Therefore, by using the measured values depending on the arrangement of the left and right eyes of the person, the reference point of the portrait captured on the display screen is determined, and the reference point of the frame image of the eyeglasses substantially matches the reference point of this portrait. It is possible to superimpose a spectacle frame image that looks natural in consideration of the left-right asymmetry of the front portrait.

As an aspect of the above configuration 8,
(Configuration 9) As an actual measurement value depending on the arrangement of the left and right eyes, an actual measurement value of the left and right corneal apex distances from the nose position (center of the nose crest) of the person is used for the portrait captured on the screen. A point obtained by proportionally distributing a line segment connecting the corneal vertices of the left and right eyes by the ratio of the measured value of the corneal vertex distance of the left and right eyes is set as a reference point of the portrait.

According to this aspect, since the reference point of the portrait is determined using the value of the distance between the left and right corneal vertices measured using a pupilometer or the like at the prescription stage, the reference point can be determined accurately.

As an aspect of the above configuration 9,
(Structure 10) Enlarging / reducing a portrait with respect to a frame image or enlarging / reducing a frame image with respect to a portrait based on a ratio between an actually measured value of the distance between the left and right corneal vertices of the person and the distance between the left and right corneal vertices of the portrait captured on the screen. .
According to this aspect, the magnification of the portrait and the magnification of the frame image can be matched.

As an aspect of the above configuration 9,
(Configuration 11) The configuration is characterized in that the portrait is automatically rotated and corrected such that the line segment connecting the corneal vertices of the left and right eyes on the portrait captured on the screen is horizontal in the screen.
According to this aspect, it is possible to automatically erect the portrait captured at the time when the portrait is captured.

As an aspect of the above configuration 11,
(Configuration 12) After the automatic rotation correction, the portrait is re-corrected by manual rotation so that the entire portrait is balanced.
According to this aspect, the posture of the portrait can be corrected while considering the balance of the entire portrait, and a natural eyeglass wearing state can be simulated.

Further, the synthetic image creating method in the spectacle wearing simulation apparatus of the present invention,
(Configuration 13) A human head side image is captured on a computer-controlled display screen using an imaging function, a reference point is determined from the head side image, and glasses are added to the head side image based on the reference point. The configuration is characterized in that frame images are overlapped. As a result, a spectacle wearing simulation image viewed from the side can be obtained, so that accurate and sufficient information can be provided in selecting the spectacles. Can be expanded. For example, by giving ornaments and jewelry to the sculptures and temples, it is possible to confirm the effect on the profile of the spectacle wearer, and to change the height of the temple to change the profile division ratio by the temple, making the face look longer. You can see the effect of making it look short.
In addition, the mounting state of the prescription lens and the frame can be confirmed from multiple aspects.

The reference point for the head side image is a point serving as a reference for appropriately arranging the frame in the side portrait, and is on a straight line connecting the corneal vertex, the bending point (upper ear fundus), and the corneal vertex to the bending point. The reference point is a lens eye point at a predetermined distance (for example, 12 mm) in front of the apex of the cornea, a temple vanishing point which is a boundary point at which the temple is hidden by side hair such as sideburns, and the like.

(4) Based on these reference points, for example, a temple is arranged on the line segment between the yoroi fixed position and the bending point, and when a temple vanishing point exists, the temple on the tip side from the temple vanishing point is erased from the screen.

As an aspect of the above configuration 13,
(Configuration 14) A portrait of the head of the person is captured on the screen, a lens eye point is determined at a position at a predetermined distance in front of the vertex of the cornea in the portrait, and a lens side image is superimposed using the lens eye point as a reference point. In addition, a frame side image is superimposed on the lens side image.

The method of determining the position of the eyepiece and the bridge of the eyeglasses of the present invention,
(Structure 15) The shape data of the selected spectacle frame and the facial image data of the spectacle wearer are captured and displayed on the screen by using the computer graphics method, and the positions of the yoroi and the bridge in the selected spectacle frame are displayed on the screen. , And the positions of the yoke and the bridge are selected and determined by the eyeglass wearer's preferred position. By changing the positions of the yolo and the bridge, it is possible to change the image of the face of the spectacle wearer or to compensate for the defects of the face.However, the positions of the yolo and the bridge can be adjusted according to the face of the spectacle wearer. Since the user can move on the screen, it is effective to select eyeglass designs that reflect the preferences of the eyeglass wearer.

As an aspect of the above configuration 15,
(Structure 16) A structure in which the movable range of the yolo and the bridge is determined based on a design or a limitation in function and structure. The method of determining whether or not it is within the movable range is, for example, by setting a reference point and a reference line that define the maximum length and minimum length of the yolo and bridge required due to design, function, and structural restrictions, and It is determined whether the point and the reference line are inside or outside the lens shape of the lens.

In the aspect of the above configuration 15,
(Configuration 17) The configuration is characterized in that the moving of the moving yoke and the bridge are performed in conjunction with each other.

In the above configuration 15,
(Configuration 18) The configuration is such that the moving direction of the moving yoke is limited to the left and right directions, and the amount of movement is the same in the opposite directions for the left eye and the right eye.
With this movement, the left-right symmetry of the glasses is not lost.

As an aspect of the above configuration 15,
(Configuration 19) The configuration is such that the moving direction of the moving bridge is limited to a vertical direction.
With this movement, the left-right symmetry of the glasses is not lost.

The method for changing the type of eyeglass frame of the present invention is as follows.
(Structure 20) A method of changing the type of spectacle frame in which the type of frame is changed without changing the design image,
Data relating to a frame including a frame shape of a first eyeglass frame belonging to a first frame type having a specific design includes:
When performing a data correction operation for making a necessary minimum correction when necessary to satisfy a constraint condition including a structural constraint of the second frame type,
By performing a data addition operation for adding data relating to the eyeglass parts that are not in the first frame type but are in the second frame type,
The configuration is characterized in that data relating to a frame including a frame shape of a second eyeglass frame belonging to a second frame type having a design image common to the design image of the first eyeglasses is obtained.

According to this method of changing the type of spectacle frame, the type of the frame can be changed relatively easily without changing the design image by performing a fixed data correction operation and a data addition operation on the data related to the spectacle frame before the change. Is possible, which allows
For example, if this method is performed using a simulation device installed in a store, it is possible to receive orders for other types of frames having a design image of a frame displayed in an eyeglass store, and it is possible to meet various needs. Can respond to.

As an aspect of the above configuration 20,
(Configuration 21) When changing the frame type from the rimless type first spectacle frame to the full rim type second spectacle frame,
In the data correction operation, the reverse R check, the maximum R check, the determination of the rim lock position determination, the R check of the rim lock position and the R correction of the rim lock position performed when the R value is equal to or less than a predetermined value, and the minimum R A check and a minimum R correction performed when the minimum R value is equal to or less than a predetermined value are performed.

As an aspect of the above configuration 20,
(Configuration 22) When changing the frame type from the rimless type first spectacle frame to the rimron type second spectacle frame, in the data correction operation, an inverse R check, a maximum R check, and a minimum R check are performed. An R check and a minimum R correction performed when the minimum R value is equal to or less than a predetermined value are performed.

As an aspect of the above configuration 20,
(Arrangement 23) When changing the frame type from the first eyeglass frame of the rimron type to the second eyeglass frame of the full rim type,
In the data correction operation, a determination of rim lock position determination, an R check of the rim lock position, and an R correction of the rim lock position performed when the R value is equal to or less than a predetermined value are performed.

As an aspect of the above configuration 20,
(Configuration 24) The configuration is characterized in that the data correction operation and the data addition operation are performed by a computer simulation method.

As an aspect of the above configuration 24,
(Configuration 25) In the case where the data correction operation and the data addition operation are performed by a computer simulation method, a face image of a spectacle wearer is captured, and the spectacle frame image created based on the data related to the spectacle frame is superimposed on the face image. An image in a state in which eyeglasses are worn is created and displayed on a display screen, and the data correction operation and the data addition operation are performed on the screen.

According to the eyeglasses made-to-order system according to the embodiment described above, any one of a plurality of types of base frames prepared in advance is selected on the display screen, and based on the selected base frame. Therefore, in the trial step, the operator can freely select and perform only the steps that the operator deems necessary.
Major steps for determining the design of the glasses and the like can be performed according to a procedure selected by an operator's free choice, instead of a procedure predetermined by computer software.
As a result, the possibility of making a design decision that more directly reflects the sensitivity of the operator or the spectacle wearer can be significantly increased.
In addition, since the main procedure can be determined by the free will of the operator or the spectacle wearer, it is possible to perform only the steps that the operator deems necessary and to perform quick processing.

Furthermore, by adopting a method in which only the necessary steps are performed instead of performing all the major steps mechanically, even if each step is provided with abundant functions, this immediately increases the overall processing time. , It became easy to enhance each function.
In addition, since only the necessary steps are performed by applying the concept of the system to each function itself, the functions can be further enriched, and quick and accurate processing can be performed.
In addition, there is no need to change the entire system at all even if main steps are newly added, so that there is a merit that the system can be upgraded very easily.

FIGS. 1 and 2 are flowcharts showing an outline of a system for customizing glasses according to an embodiment of the present invention, FIGS. 3 to 9 are diagrams showing examples of display screens used in the system for customization of the embodiment, and FIG. FIG. 2 is a block diagram illustrating an outline of a hardware configuration of the custom-made system according to the embodiment.

Hereinafter, an eyeglasses made-to-order system of an embodiment will be described with reference to these drawings.
As shown in FIG. 10, the hardware configuration of the bespoke system of this embodiment includes a storefront dialogue system 100, a host computer 110 connected to the storefront dialogue system 100 via a communication line, and a communication line connected to the host computer 110. And terminal devices 121 and 122 of a manufacturing factory connected through the network.

The in-store dialogue system 100 mainly includes a computer device including a computer main body 101, an output device such as a display screen (monitor) 101a, and an input device such as an input keyboard 101b or a mouse 101c. A portrait photographing device 102 composed of a digital camera, a CCD camera, or the like for inputting a portrait image to the device, a lens shape measuring device for actually measuring the lens shape of a frame selected by a spectacle orderer and inputting the frame shape to a computer device ( A three-dimensional frame tracer (3DFT) 103 is provided. The operator of the in-store interaction system 100 may be a clerk at an eyeglass store or the like, or may be an eyeglass orderer himself.

The computer main body 101 selects an arbitrary one of a plurality of types of base design frames prepared in advance on the display screen 101a, and based on the selected base design frame, various types of base design frames are selected. Program software that enables the user to determine the optimal spectacle specification according to the preferences of the spectacle orderer on the display screen and place an order by arbitrarily changing the components of the spectacles including the type of frame, lens shape and parts Is stored.

機能 The outline of the functions of the stored software is as follows. a. A base design selection function for selecting an arbitrary one from a plurality of types of base design frames prepared in advance on the display screen 101a; b. Portrait capture function for capturing a portrait of the spectacle wearer (spectacle orderer) photographed by the portrait photographing device 102 c. A composite image creation function of superimposing an image of the selected frame on the portrait of the spectacle wearer photographed by the portrait photographing device 102 and displaying the portrait wearing spectacles on the display screen 101a d. Based on the frame of the base design selected using the base design selection function, change the necessary items on the display screen for each of the various types of frames, including various types of frames, lenses and parts, One or more change functions to make corrections or inputs e. A storage function for storing data including one or more eyeglass images obtained on the display screen; f. One or more spectacle images including the spectacle images stored by the storage function are displayed on a display screen and compared or examined to determine one or not, and to determine whether to return to the step of performing the change function without determination. Comparative study function g. After selecting a frame of the base design using the base design selection function, the portrait capture function, the composite image creation function, the one or more change functions, or the comparative study, which captures a portrait captured by the portrait capturing apparatus 102 A function that allows the operator to arbitrarily select and perform any one or more of the functions.

The feature of the system of this embodiment is that, by providing the above functions, after selecting the frame of the base design, the operator can perform only the procedures or functions that are deemed necessary, and the eyeglass orderer's free will To make quick and accurate order operations by taking full advantage of

Another feature is that
The composite image creation function,
In addition to the function of superimposing the front image of the selected frame on the front image of the face of the spectacle orderer captured by the portrait capture function, a side image of the face of the spectacle orderer captured by the portrait capture function is added. It also has a function of superimposing the side images of the selected frame.

This allows not only the front portrait wearing the spectacle frame but also the side portrait wearing the spectacle frame to be confirmed, and the overall design can be determined and selected in determining the spectacle frame.

The one or more change functions include a frame type change function, a lens replacement function, a lens correction function, a part change function, a part position change function, and a size for changing a size such as an eye size or a distance between lenses. The function includes at least one of a change function, a color change function for changing a color of a frame component, a lens color change function, a wear scene changing function for changing a lens wear background, and a lens prescription input function.

further,
After the main spectacle specifications and images are determined by performing the comparative study function, a face measurement is performed using the face measurement device 104, and a function of correcting the spectacle specifications in consideration of the measured value is also provided. The data of the spectacle frame is corrected based on the obtained measured value of the face and the positional relationship of each part of the spectacles determined by the simulation image.

As described above, the spectacles specification determined by the two-dimensional simulation represented on the display screen 1O1a is appropriately corrected based on the accurate three-dimensional data of the face by the face measurement.
Optimal spectacle specifications that can be used as manufacturing data for manufacturing spectacles that fit the face can be obtained.

That is, in an actual three-dimensional face, for example, since there is an individual difference in the shape of the nose skeleton, a difference occurs in the nose width and height, and an individual difference appears in the three-dimensional wearing state in which the frame is supported by the pad. The spectacle specification is modified so as not to damage the image of the spectacle specification of the two-dimensional simulation.

For example, as shown in FIG. 36, the face measuring device 104 is formed of components corresponding to the respective components of the glasses, and a lens on which a horizontal reference line 141 connecting the frame centers of both lenses is displayed. , A lens frame, a pad portion, a front portion including a bridge portion and a flap portion, and a temple portion.

The length of each component and the relative position and angle of each component can be adjusted, and the length, relative position and angle are displayed on a scale or the like and can be measured. 36 has a lens position information display section 142, a front information display section 143, and a temple information display section 144. The front information display section 143 includes a bridge information display section 145, a pad information display section. 146 are provided.

By using such a face measuring device, the relative relationship between the frame center and the eye point position (pupil position) on the simulation screen is maintained in a state where the face measuring device is attached to the subject. Adjust the length, position, angle, etc. of each part, and preferably measure the eye point position, pad spacing, pad height, pad depth, pad opening and closing angle, front width, yolo inclination angle, temple length (And, if necessary, the pad vertical opening angle, the front inclination angle, the yoke height, the yoke open angle, the ear hook bending angle, and the like) to obtain manufacturing data. (For details, for example, Japanese Utility Model Application Laid-Open No. 63-110355, Japanese Patent Application No. 9-304374, Japanese Patent Application No. 9-306003, etc.).

Further, the program software stored in the computer main body 101 accesses an order check database having data including data necessary for manufacturing eyeglasses after the spectacle specification is determined, and determines whether or not to manufacture eyeglasses of the specification. It also has an order check access function to obtain necessary information when ordering glasses including price or delivery date.

Further, after the order is determined by performing the order check access function, the above-mentioned software stores an order receiving database having data including order receiving processing, processing of data required for manufacturing ordered eyeglasses, and instruction processing required for eyeglass manufacturing. It also has an order access function to access and complete orders.

The order check database and the order database are stored in the host computer 110.
In addition to the order check database and the order receiving database, the host computer 110 also has a function of creating a work instruction sheet based on the order receiving data and transmitting data necessary for manufacturing frames and lenses to the terminal devices 121 and 122 in the manufacturing factory. Have.

Next, an operation procedure and the like when ordering is performed by the eyeglasses made-to-order system having the above configuration will be described with reference to FIGS. 1 to 9, and the contents of the eyeglasses made-to-order system of this embodiment will be described in more detail. .

First, the custom-made glasses system is started through the keyboard 101b or the mouse 101c of the interactive system 100 (step 1).
Thus, the display screen becomes an opening screen as shown in FIG. In this step 1, a slide show screen that introduces an outline of the glasses custom-made system can be selected, and a screen saver can be set if necessary.

Next, an operation to proceed to the next step is performed through the keyboard 101b or the mouse 101c. This operation is performed by clicking a predetermined portion on the screen with the mouse 101c or operating a predetermined key of the keyboard 101b.
In the following description, a similar operation is performed when proceeding to the next step.

When the process proceeds to the next step from the opening screen, the display screen becomes a screen for selecting a base design as shown in FIG. 4 (step 2). This step is a step of selecting a frame to be a base of the design.
In this step, an operator's favorite one is selected from a plurality of frame images serving as design bases stored in the computer in advance.
As a frame serving as a design base, a plurality of designs are prepared for each type of frame (there is a rimless system, a rimron system, a full rim system, or the like) and displayed on a display screen.

The frame image displays the side image in addition to the front image, so that the entire design can be grasped more accurately.

It should be noted that preparing the frame of the base design in advance is not intended to make it possible to finally select only from the prepared design, but it is realistic for the operator to design the eyeglass frame from the beginning. Therefore, by presenting a model to be a base, and based on this base model, the operator changes each part according to his / her preference, conversely, the operator can quickly design as desired. This is in order to make it possible to perform it properly.

When the frame of the base design is selected in step 2 described above, the process proceeds to the next portrait capturing step (step 3).
Note that the order of Step 1 and Step 2 may be reversed.

In the step 3, if it is determined that the operator is unnecessary, this step can be skipped by a pass operation and the process can proceed to the step of displaying and outputting only the next frame (step 4).
If the user selects to capture a portrait, the portrait photographing apparatus 102 photographs the front of the face and captures the image into the computer (step 31).

Next, a selection is made on the display screen as to whether or not to perform side photography (step 32).
If the user selects to perform side photography, side photography is performed (step 34), and the computer overlaps the selected image with the front frame and the side image (step 35).
If the user selects not to perform the side photographing, the computer overlaps the selected frame with the front image (step 33).

FIG. 5 is a display screen of a portrait captured on a display screen by shooting, and FIG. 6 is a display screen at the time of overlapping.
For the captured frontal portrait, the position of the corneal vertex and the PD value that is the distance between the corneal vertices or the distance between the pupils are input from the screen, and for the captured lateral portrait, the corneal vertex position, The upper ear bottom point (OBS point, modern bending point also called bending point) and the temple vanishing point position which is the point of the boundary where the temple is hidden by the hair are similarly input from the screen as reference points.

At the time of overlap, the frame image is superimposed on the portrait image by a method such as enlarging or reducing these reference points to corresponding points of the frame on the display screen.
At the time of the overlap, the size of the frame is adjusted and input in consideration of the design of the selected frame, the size of the portrait face, the power of the mounted lens, and the like.
In addition, the fact that the right and left sides of the face are not symmetrical is taken into consideration, and if necessary, the portrait is rotated and corrected on the display screen to make a more natural face image and more appropriate evaluation can be performed.

Next, a method of creating a composite image in which a frame image is superimposed on a portrait image in the overlap steps 33 and 35 will be described in more detail with reference to FIGS.
Note that the image synthesis creating method described with reference to FIGS. 11 to 16 can be used not only for the custom-made system for eyeglasses of the present embodiment, but also for synthesis in a spectacle wearing simulation apparatus in ordinary design design and the like. The present invention can be used as an image creation method, and can be applied to, for example, a case in which a portrait image wearing glasses is displayed by superimposing an image of a ready-made eyeglass frame on a portrait image on a display screen.

A simulation device that implements this synthetic image creation method captures images of a display for displaying a screen, a database storing information of eyeglass frames, a computer including various input devices, and the like, and the front and right and left sides of the head of a person. And a camera for inputting still image data to the computer.

The computer can capture the portrait of the person photographed by the camera on the display screen, read the necessary frame image information from the database, and superimpose the portrait image on the screen while making appropriate corrections.

In this synthetic image creation method, first, as shown in FIG. 11, the center of the nose ridge of the front portrait 201 on the screen (the center of the pad position of the pupilometer) is determined as the reference point 206, and the portrait 201 is rotated. To correct posture.
As a procedure, first, as shown in FIG. 11A, the coordinates of the corneal vertices 202L and 202R of the left and right eyes on the portrait 201 are obtained by clicking on the image, and a line connecting the corneal vertices 202L and 202R is obtained. A minute (hereinafter referred to as “line segment between corneal vertices”) 203 is determined.

Then, the actual measured values LPD and RPD of the actual corneal vertex distances of the right and left eyes, ie, the distances from the nose position (nose crest) to the left and right corneal vertices (corresponding to the center of the pupil), which were previously measured using the pupilometer at the prescription stage Using the (known value) ratio, the line segment 203 between the corneal vertices on the portrait 201 is proportionally distributed based on the ratio, and the allocated point is set as the reference point 206 of the portrait 201 on the spectacles wearing.

At the same time, the ratio between the actual corneal vertex distance PD (= LPD + RPD) and the corneal vertex distance on the portrait 201 is determined, and the ratio is set to match the display magnification of the spectacle frame image to be read later on the screen. The portrait 201 is enlarged or reduced.
For example, if the display magnification of the frame is 1, the portrait magnification is set to 1 and if the display magnification of the frame is 1/2, the portrait magnification is also set to 1/2. The enlargement / reduction ratio in this case is temporarily stored because it is also used for enlargement / reduction of the side image.

Of course, since the display magnification of the frame and the magnification of the portrait need only be matched, the display magnification of the frame may be matched to the magnification of the portrait.

When the magnification of the portrait 201 is adjusted in this manner, the horizontal reference line (X-axis) 207 and the vertical reference line (Y-axis) 208 on the screen are moved to the reference point of the portrait 201 as shown in FIG. An auxiliary line is displayed so as to pass through 206.
That is, in portrait photography, an image may not always be captured in a state of being viewed horizontally and in front, so that a reference line for grasping a positional relationship is inserted in order to correct a face inclination or the like. And
As shown in FIG. 11C, the portrait 201 is automatically rotated about the reference point 206 under the control of the portrait rotation means so that the line segment 203 between the corneal vertices coincides with the horizontal reference line 207. Fix it. Thus, the processing on the portrait 201 side ends for the time being.

On the other hand, the eyeglass frame image 210 illustrated in FIG. 12 shows a lens 211, a bridge 212, a pad 213, a flap 214, a temple 215, and the like.
The point at which a horizontal line (date line) 217 connecting the geometric centers (centers) of the lenses of the left and right lenses 211 and a vertical line (frame center line) 218 passing through the center of the bridge 212 intersects with the frame 210. The reference point 216 is set.

Next, the portrait and the frame image of the glasses are overlapped. In this case, first, a frame having a design that the wearer prefers is selected from various types of frame designs, and the position of the frame to be superimposed is set.
Here, as shown in FIG. 13A, the reference point 216 of the frame is set at a predetermined distance from the reference point 206 of the portrait 201, here, at a position 3 mm below (Y = -3).
Then, as shown in FIG. 13B, by superimposing the frame image 210 on this position, a spectacle wearing simulation image in which the left-right asymmetry of the portrait is considered is obtained. At this stage, fine adjustment of the rotation of the portrait 201 and vertical position correction of the frame image 210 can also be performed by the frame image moving means.

As shown in FIG. 14A, when the line segment 203 between the corneal vertices of the portrait 201 is made to coincide with the horizontal reference line 207 on the screen by automatic rotation, the balance of the entire portrait 201 is biased. In such a case (for example, when both eyes are not positioned horizontally with respect to the entire face), after performing the automatic rotation correction, as shown in FIG. The portrait 201 is re-corrected by manual rotation so that the frame is horizontally arranged over the entire face around the reference point 206.

Then, as shown in FIG. 15A, a reference point 216 of the frame image is set, and the frame image 210 is overlaid as shown in FIG. 15B.

As described above, the position is adjusted and corrected by rotating the portrait (automatic rotation, manual rotation) without rotating the frame, so that the calculation of the rotation direction is not necessary for the subsequent deformation of the frame. , Operation can be shortened.

Next, a method of synthesizing the spectacle wearing simulation image viewed from the side will be described with reference to FIG.

First, the previously captured side portrait 201S is enlarged or reduced in accordance with the above-described front portrait enlargement / reduction ratio.
Next, as shown in FIG. 16A, the corneal vertex 221 and the bending point (the point at which the temple is bent and applied to the ear) 227 of the side portrait 201S are extracted, and both points 221 and 227 are connected by a straight line 222.
A point ahead of the corneal vertex 221 on the extension of the straight line 222 by a predetermined distance d (for example, d = 12 mm) is defined as a lens eye point (reference point) 223.

Next, a side sectional image 225A of the lens is superimposed on the lens eye point 223 in a state where the eye point of the prescription lens (the intersection of the lens optical axis and the back surface of the lens) is matched.
Here, the frame center axis (hereinafter, referred to as “FC axis”) 226 is 3 mm below the straight line 222 connecting the corneal vertex 221 and the bending point 227 (a value determined by the lens prescription including the lens shape). Set.
The FC axis 226 is a line orthogonal to the frame front surface (a reference surface set to include the left and right lens shapes) and passing through the geometric center (centroid) of the left and right lens shapes.

Next, the lens side sectional image 225A is rotated about the lens eye point 223 so that the FC axis 226 is inclined at a predetermined angle (preferably 3 to 8 degrees, more preferably 5 degrees) with respect to the straight line 222. A lens-side cross-sectional image 225B is obtained.
Next, as shown in FIG. 16B, a lens side image 225C is displayed in correspondence with the tilted lens side sectional image 225B. As a result, a composite image in which the prescription lens is actually arranged in front of the eyes is obtained.

Next, the yoro fixed position 228 extracted from the front frame image is reflected and plotted on the lens side image 225C, the yolo fixed position 228 and the bending point 227 are connected by a line segment 229, and a temple is placed on the line segment 229. By superimposing the frame side images so as to match, a simulation image viewed from the side is obtained.
As shown in FIG. 16 (b), when there is a temple vanishing point 231 which is a boundary point where the temple is hidden by the hair 230 on the side of the face, the temple vanishing point 231 is extracted and the tip of the temple vanishing point 231 is extracted. Erase the temple part on the side. The temple disappearing process may be performed at the boundary line of the hair instead of at the temple vanishing point.

In this way, the spectacle wearer can select spectacles while viewing the front simulation image and the side simulation image.
In the above embodiment, the measured value of the left and right corneal apex distance from the nose position is used to determine the reference point of the portrait, but other measured values (for example, the distance from the left and right ear positions) May be used to set the reference point of the portrait.

When the step of displaying and outputting only the above-mentioned frame in FIG. 1 (step 4) or the step of overlapping (step 33, step 35) is completed, the process proceeds to the next trial step (step 5).

The trial step (step 5) is based on the frame of the base design selected in the base design selection step (step 2). One of the steps (steps 50 to 59, <1> to <10> in FIGS. 7 and 8) of performing at least one change operation for changing, modifying, or inputting necessary items on the display screen for each of them. Or a step of skipping these steps and proceeding to a comparative examination step (step 6) for determining whether or not to use the selected frame of the base design as it is.

Step 50 is a step of changing the frame type. This step is executed when the type (frame method) of the frame of the base design selected in step 2 is to be changed. For example, when the type of the frame selected in step 2 is a rimless frame (also referred to as a three-piece frame), when the frame is mounted on the display screen by the overlap step, it does not match the taste. In such a case, the frame is changed to another type of frame (rimron or full rim) while maintaining the basic design.

Depending on the design of the frame, this change may not be possible due to structural reasons or the like. Therefore, whether or not the change is possible is automatically determined, and necessary items such as the possibility of the change are displayed. It has become.

Next, a method of changing the type of spectacle frame used in step 50 of changing the type of frame will be described in more detail with reference to FIGS. This method of changing the type of spectacle frame is a method that can change the type of frame without changing the design image.
Here, the method for changing the type of spectacle frame described with reference to FIGS. 18 to 26 can be applied not only to the custom-made spectacle system of the present embodiment, but also to the design and manufacture of ordinary spectacles.
For example, the present invention can be applied to a case of creating data such as design and manufacture when a type of a known eyeglass frame is changed.

FIG. 18 is a flowchart of the frame type changing method according to the first embodiment, and FIGS. 19 to 24 are diagrams for explaining the examination and determination of the change in the frame type changing of the first embodiment.
Hereinafter, a method of changing the frame type according to the first embodiment will be described with reference to these drawings.
The first embodiment is an example in which the design of the three-piece type frame is changed to the full rim type without changing the design. Further, in the first embodiment, the display screen is used to perform a data correction operation for correcting data relating to a three-piece frame such as lens shape data, and a data addition operation for adding data relating to certain eyeglass parts to a full rim type frame instead of a three-piece frame. It is performed by the computer simulation method.
At that time, when a face image of a spectacle wearer is captured, and an eyeglass frame image created based on the data related to the spectacle frame is superimposed on the face image, an image in a state in which spectacles are worn on the face can be displayed. It is an example. In the following description, the hardware configuration of a computer or the like used for the simulation is the same as the above-described configuration, and the description is omitted.

In the flowchart of FIG. 18, first, data relating to a frame including target data of a three-piece type frame is input to a computer (step 301).
When data related to the face image of the spectacle wearer is input to the computer using a digital camera or the like, a composite image process is performed using the input data and the data regarding the previously input frame. As illustrated in FIG. The face image on which the three-piece type frame is mounted is displayed on the display screen.

Next, the screen is changed to a screen in which only the three-piece type lens shape is displayed, and a reverse R check is performed to check whether there is a reverse R (step 302).
Here, the inverted R means a case where the curve that partitions the contour of the outer periphery of the lens is a curve that is convex toward the center of the lens (concave outside the lens), as shown in the three-piece lens shape in FIG. Say.
If there is an inverted R, the design image is completely different if the shape is modified to the full rim type, so that it is not possible to change the design image (step 310).

That is, in the case of the full rim type frame (also in the case of the rimron type frame), the shape of the rim cannot be formed in the inverted R due to the lens supporting structure, and even the shape closest to the inverted R is outwardly convex. Is the maximum value (for example, 150 mm) of the possible value of the curvature radius R. Therefore, if the shape is corrected to the shape closest to the inverse R, the shape is as shown in FIG. 20, and the design is significantly different from the image of the case of the inverse R.

If it is confirmed in step 302 that there is no reverse R, the process proceeds to the next step 303, where a maximum R check is performed. Here, the maximum R means that if the radius of curvature R of the curve partitioning the contour of the outer periphery of the lens is too large, the lens cannot be supported by the rim and the lens will come off, but the maximum radius of curvature R at which this lens will not come off will occur. (For example, 150 mm).
In the maximum R check, when there is a portion where the three-piece lens shape exceeds the maximum R (for example, 150 mm) (for example, when there is a portion close to a straight line), if that portion is corrected to the maximum R, the design image also changes greatly. In this case, the change cannot be made (step 311).

If there is no portion exceeding the maximum R in step 303, the process proceeds to the next step 304, where the rim lock position is determined. In determining the rim lock position, a trapezoid as shown by a solid line in FIG. 21A is used to determine whether the rim lock is within a range that satisfies the functional, structural, and manufacturing conditions. A rim lock shape for determination is used.

The rim lock 321 to be determined has a shape as shown in FIG. 21 (2), and is made of a blank (cut from a deformed wire) having a width of 5 mm as a material, and the rim mounting portion side of the blank is the shape of the rim. The approximate shape of the rim lock is formed by oblique cutting according to (the contour shape of the lens).
The rim lock 321 is vertically divided into an upper piece 322 and a lower piece 323, and the upper piece 322 and the lower piece 323 are connected to the upper and lower rims 324, 324 by brazing, respectively.
By tightening the upper piece 322 and the lower piece 323 with screws 326, the lens is supported by the tension of the rim 324. In addition, the rim lock 321 is hidden behind the yoroi 325 and installed so as not to be seen from the front and side of the glasses.

The length (4.15 mm) of the lower side (measurement line) S1 of the rim lock shape for determination is the thickness (1.15 mm) of the rim 324 and the distance (0.6 mm) from the rim 324 to the screw head of the screw 326. , The diameter of the screw head (1.8 mm) and the distance (0.6 mm) from the screw head to the end face of the rim lock. The length of the lower side S1 is such that the rim and the screw are structurally attached to the rim lock. It is specified as the minimum dimension that can be installed in
Also, the lower side S1 and the upper side (measurement line) S2 of the rim lock shape for determination are parallel, and the distance (height) between the lower side S1 and the upper side S2 is the minimum dimension for securing the brazing strength and the screwing strength. 2.8 mm. The end point of the lower side S1 of the rim lock shape for determination on the rim mounting side is defined as a reference point A1, and the end point of the upper side S2 opposite to the rim mounting side is defined as a reference point A2.

As described above, the end surface of the rim lock on the mounting side of the rim is cut in accordance with the shape of the rim, but since the width of the blank as a cut material is 5 mm, the upper limit of the upper side S2 of the rim lock shape for determination is also 5 mm. It is.
Therefore, the cuttable angle on the rim mounting side (the angle between the lower side S1 and the end surface on the rim mounting side) is maximum when the upper side S2 is 5 mm, and the maximum angle θmax is about 107 °.
The minimum angle that can be cut is the shortest distance of the upper side S2 at which the strength of the screw portion can be secured, and the minimum angle θmin is about 80 degrees. In addition, if the blank size is larger than 5 mm, the maximum angle θmax that can be cut can be increased. However, by using a rim lock or a rim lock shape for determination as small as possible, the range in which the rim lock can be installed can be increased. I have.

Next, a method of obtaining the cutting angle θ of the rim lock using the rim lock shape for determination will be described.
As shown in FIG. 23, the measurement line (lower side) S1 of the rim lock shape for determination is superimposed on the lower side S3 of the yoke, and a reference point which is the intersection of the lower side S3 of the yoke and the rim inner line (outline of the rim). The rim-side end point (reference point A1) of the measurement line S1 is made to coincide with A3. An intersection C1 between the measurement line S2 and the rim inner line at this time is obtained, and a measurement line S5 connecting the intersection C1 and the reference point A3 is obtained. The angle formed between the measurement line S5 and the lower side S3 of the yoke is the rim lock cutting angle θ. (Here, the measurement line S5 is used because the actual rim inner line (contour line of the lens) is a curve having various radii of curvature, and it is difficult to determine the rim lock position with respect to the curve. The cutting angle θ is determined using the measurement line S5.) When the cutting angle θ is within the angle range θmin to θmax at which the rim lock can be cut as shown in FIG. 23, the position shown in FIG. A rim lock can be installed on the rim lock, and the rim lock does not jump out of the yoke, and the installation position of the rim lock is determined to be on the yoke side.

However, as shown in FIG. 22, the cutting angle θ of the rim lock is
When the measurement line S1 exceeds the limit, the cutting line (cut surface) of the rim lock may be aligned with the rim inner line even if the measurement line S1 of the determination rim lock shape is overlapped and set on the lower side S3 of the yoke (installation position P1). Can not.

In this case, the reference point A1 of the rim lock shape for determination is rotated about the reference point A3, and the cutting line of the rim lock is aligned with the rim inner line. The range in which such rotation is possible is, as shown in FIG. 22, up to a rotation position (installation position) P2 where the reference rim lock shape is rotated by the angle α and the reference point A2 coincides with the upper side S4 of the yoke. If it rotates more than this, the rim lock will pop out of the yoroi. Therefore, when the cutting angle θ exceeds 107 ° + α or when θ is less than 80 °, the rim lock cannot be installed on the yolo side, and the installation position of the rim lock is determined to be the bridge side (nose side). In FIGS. 22 and 23, the lower side S3 and the upper side S4, which are the outlines of the yoke shown by straight lines, are the minimum shapes that can securely hide the rim lock. In some cases, a curved decoration or the like is formed on the outside.

When the rim lock position is determined in step 304, the process proceeds to step 305, where an R check of the rim lock position is performed. In the R check of the rim lock position, it is determined whether or not the radius of curvature R of the rim at the position where the rim lock is to be attached is equal to or greater than the minimum radius of curvature R (minimum R value) at which rim lock cutting can be performed. Conditions are also determined.
If it is determined that the radius of curvature is equal to or greater than the minimum radius of curvature that can be rim-locked, the process proceeds to step 307.
In step 305, if it is determined that the radius of curvature is equal to or less than the minimum radius of curvature that can be rim-locked, the process proceeds to step 306, where the radius of curvature of the rim lock mounting position is set to the minimum radius of curvature that can be rim-locked (minimum R value). ) And go to step 307.

In step 307, a minimum R check is performed. The rim is formed by winding a rim wire into a predetermined shape by a rim winding device. At this time, since the rim wire is wound by the cam provided in the rim winding machine, the curvature radius R of the rim cannot be obtained below the radius of curvature of the cam due to manufacturing. Therefore, in this embodiment, the minimum radius of curvature that can be manufactured is set to the minimum R. In the minimum R check, when there is a portion where the three-piece lens shape is smaller than the minimum R (for example, 5 mm) (for example, when there is a portion close to a right angle), the process proceeds to step 308 and the portion is corrected to the minimum R.
As shown in FIG. 24, in this case, the design image does not change drastically even if the correction is made, so that the correction is possible. If this step 308 is completed, or if the minimum R check is passed in step 307, the flow advances to step 309 to obtain data of a full rim frame having a design image common to the design image of the three-piece frame before the change. Then, the change of the frame type is completed.

According to the first embodiment, it is possible to change the type of the frame relatively easily without changing the design image by performing a predetermined procedure while using the data on the frame before the change. If the method is implemented using a simulation device including a personal computer or the like installed at a store, it is possible to receive orders for other types of frames having a design image of a frame displayed at an eyeglass store, and it is possible to realize a more diversified order. It is possible to meet various needs.

FIG. 25 is a flowchart of a frame type changing method according to the second embodiment. The second embodiment is an example of a case where a change from a three-piece type to a rimron type is performed. In the case of the rimron type frame, since there is no rim lock, the flow is completely the same except that the flow of the first embodiment shown in FIG.

Therefore, in the flowchart of the second embodiment in FIG. 25, the steps common to the first embodiment are assigned the same step numbers, and the description thereof will be omitted.
FIG. 26 is a flowchart of a frame type changing method according to the third embodiment. This embodiment is an example of a case where a change is made from a rimron type to a full rim type. In the case of the Limron type frame, there is no reverse R or extremely small R, and it is not necessary to make these determinations. Therefore, a flow in which steps relating to these steps are removed from the flow of the first embodiment shown in FIG. Is exactly the same.

Therefore, in the flowchart of the third embodiment in FIG. 26, the same steps as those in the first embodiment are denoted by the same step numbers, and the description thereof is omitted.
As described above, the restrictions (such as the reverse R, the minimum R, and the maximum R rim lock position) when changing the eyeglass frame type are based on the difference in the method of fixing the lens. These restrictions increase in the order of the three-piece type, the rimron type, and the full rim type. As a mode of change, there is a mode of change in addition to the above-described first to third embodiments. However, a change from a type with many restrictions to a type with few restrictions can be made almost as it is with respect to the lens shape. For example, the three-piece type has a structure in which the bridge and the yoke are fixed with a screw by drilling a hole in the lens, so there is almost no restriction on the lens shape, and there is almost no restriction on changing from another frame type to a three-piece type frame. There is no.

Also, when trying to change the eyeglass frame type, it is necessary to design parts that were not present in the eyeglass frame before the change. The parts that make up each frame of the full rim type, the rimron type, and the three-piece type can be divided into common parts that all three types have in common and unique parts that only each type has.

に お い て In the standard component configuration, the common components common to the three types include a lens, a bridge, a pad arm, a pad, a yoroi, a hinge, a hinge screw, a temple, and a temple cover. In addition, unique parts unique to each type include rims, rim locks, and rim lock screws for the full rim type, rim rombars, nylon cushions, and nylon threads for the rimron type. There are a bridge-side lens fixing screw, a lip-side lens fixing claw, and a lip-side lens fixing screw.

(4) Since the common parts are the basis of the image of the spectacle frame, when changing the type of the spectacle frame, the shape and the mounting position of the common parts should not be changed as much as possible.

As for the unique component, it is necessary to design a design and the like for a newly generated unique component while taking into account a method of changing the part position in step 54 described later.
Specifically, when changing from a full rim or a three-piece type to a rimron type, a design relating to a rimron bar is performed.
Also, when changing from a full rim or rimron type to a three-piece type, a design relating to a bridge-side lens fixing claw, a yolo-side lens fixing claw, and a lens fixing screw is performed. In addition, when changing from the rimron or three-piece type to the full rim type, the rim, rim lock, and rim lock screw are designed.

Next, step 51 in the trial of FIG. 1 is a step of exchanging lens shapes. This step 51 is executed when it is desired to change the lens shape of the base frame selected in step 2.
For example, if the ball shape of the frame of the base design selected in step 2 is not fitted to the taste when the frame is mounted on the display screen by the overlap step, the ball This is to change the mold shape.

As a mode of the change, a mode of selecting from the original lens shape, a mode of selecting from the in-house part number of the maker, a mode of selecting from the lens shape measured using the lens shape observing instrument (3D frame tracer) 103, A mode for selecting from recommended lens shapes is provided. In short, it is possible to freely and widely select a lens shape that matches the taste of the operator or the customer, from a shape reflecting its own design to a shape recommended by an expert.

Step 52 is a lens correction step for correcting the size and partial design of the lens.
In this step 52, while maintaining the basic design of the frame selected in step 2, similar enlargement / reduction of the lens shape is performed, and the horizontal width (A size) and / or the vertical width (B size) of the lens are changed. Or to correct irregularities of the lens shape, or to change the shape of a curve between three points set in a partial curve of the shape of the lens shape (insert a three-point arc).

Step 53 is a step of changing the parts that are standardly employed in the frame of the base design selected in Step 2. This change allows all eyeglass parts such as bridges, yoroi, temples, pads, moderns, ornaments, and jewelry to be changed.

Step 54 is a step of changing the position of the part. Since the impression may differ depending on the position of the parts, the position of the entire front, bridge, yoroi, temple can be changed.
However, since this change has an inevitable restriction on the structure and dimensions, the possible range and the like are determined and displayed.

Next, the method for determining the position of the eyepiece and the bridge used in step 54 of changing the position of the parts will be described in detail with reference to FIGS.
In this method of determining the positions of the yoke and the bridge of the spectacles, the positions of the yolo and the bridge in the spectacle frame can be moved on the screen, and the positions of the yolo and the bridge can be determined according to the preference of the spectacle wearer.
Here, the method of determining the position of the eyepiece and the bridge described with reference to FIGS. 27 to 35 can be applied not only to the custom-made system for eyeglasses of the present embodiment but also to the design and design of ordinary eyeglasses. Is also applicable.
FIGS. 27 to 35 are diagrams for explaining confirmation of a design image by movement, determination of whether or not movement is possible, and the like when the method of determining the positions of the eyepieces and the bridge of glasses is performed.

Hereinafter, with reference to these drawings, a method for determining the positions of the eyepiece and the bridge according to the embodiment will be described. In the following description, the hardware configuration of the computer and the like constituting the computer graphics device is the same as the above-described configuration, and the description is omitted.

First, data relating to a frame including eye shape data of the eyeglass frame selected by the eyeglass wearer is input to the computer. (4) Input a face image of the spectacle wearer to a computer using a digital camera or the like. Then, as shown in FIG. 28, a face image wearing the glasses is displayed on the display screen. This screen simulates a state in which the spectacle wearer actually wears spectacles.

In this state, it is evaluated whether it is necessary to move the position of the bridge and the bridge. If it is necessary to move the eyepieces and the bridge while looking at the drawing, move the positions of the yolo and the bridge, check the change in the image given to the face of the spectacle wearer at each position, etc. Is determined to be the position that is considered optimal.
In addition, the positions of the yolo and the bridge may be moved on a separate screen on which a spectacle frame is displayed as shown in FIG. 27. On this screen, the mounting positions of the yolo 401 and the bridge 402 with respect to the rim 403 can be changed. Change it to your preferred position.

As a moving method and a moving means for moving the yoro and the bridge on the screen, a method of inputting a moving amount and a moving range using a keyboard or the like, or selecting and dragging a yolo or a bridge with a cursor or the like using a mouse or the like. There are methods. When the bridge is moved by dragging, if it can be freely moved up, down, left and right, the symmetrical shape of the front part of the glasses will be lost due to left and right movement, so limit it to only vertical movement. Good to put. In addition, since the left and right yolo lose their symmetry if they move separately, it is preferable that the left and right yolo move in conjunction with each other so as to be symmetrical. Further, the movement of the yoke and bridge position may be a stepwise movement or a continuous movement, and it is preferable that the movement can be stopped at an arbitrary position during the movement.

The yoke 401 and the bridge 402 shown in FIG. 27A have slightly longer dimensions, and are actually stocked as parts. In FIG. 27, while the shape of the stock part itself is displayed separately on the screen, the same part is moved with respect to the rim to determine the position. FIG. 27 (2) shows a state in which the yoroi 401 and the bridge 402 are at the standard position with respect to the rim 403, and FIG. 27 (3) shows a state in which the yoloi 401 and the bridge 402 are at the upper limit positions where they can move. are doing.
In FIG. 27, the hatched portions provided on the yoke and the bridge are extra portions, which are erased on the screen by image processing and removed by cutting during manufacturing.

(4) After the position is determined, numerical information on the position of the yoke and the bridge is output to create the manufacturing drawing and the data of the NC processing machine. NC processing of stock parts with the created data according to the shape of the lens lens to be attached, and assembling as shown in the drawing to produce eyeglasses with the most suitable yoroi and bridge positions that suit the wearer's preference Can be.

It is to be noted that the position can be determined without assuming such stock parts, but in such a case, the parts are manufactured after the position is determined. In this case, the cost increases due to the production of a single product, and the production takes time and the delivery time becomes longer.
Further, as shown in FIG. 29, two or more types of parts having different lengths are prepared as stock parts, and a part having an optimum length is selected and processed according to the arrangement position. Good. In this case, since the parts can be mass-produced, the production cost of the parts can be reduced and the delivery time can be shortened, but the parts inventory increases.
Furthermore, as shown in FIG. 30, the range of the length of components such as a bridge may be limited, and the movement range may be limited to a range that can be arranged within the limitation.
That is, one or two or more parts of the length range are stocked, and the movement range of the yoke and the bridge is limited to a range that can be manufactured with the parts.

It is a matter of course that the range in which the yolo and the bridge can move is limited to the range in which the yolo and the bridge can be attached to a lens fixing member (a rim, a rim rombar, a lens fixing claw, or the like). Therefore, restrictions are imposed so that movement outside this range is not allowed.

(5) Next, a method for determining the movement range of the yoroi and bridge will be described. As shown in FIG. 30, a reference point for determining the movement range is set in the bridge. The reference point E1 is a point for measuring the upper and lower limit positions of the bridge, and is set at the uppermost position of the bridge. {Circle around (2)} The reference point E2 indicates the standard length of the bridge. The reference points E3 and E4 are points indicating the maximum length of the bridge. The reference point E3 is an upper point of the maximum length, and the reference point E4 is a lower point of the maximum length.

The reference points E5 and E6 are points indicating the minimum length that can shorten the bridge. The reference point E5 is an upper point of the minimum length, and the reference point E6 is a lower point of the minimum length.
The determination as to whether or not the bridge is within the movable range is determined by the positional relationship between the reference points E3 to E6 and the lens shape as shown in FIG.
That is, when the reference points E3 and E4 for the maximum length determination are inside the lens target or on the outline thereof and the reference points E5 and E6 for the minimum length determination are outside the lens target or on the outline thereof, the bridge is set. Is determined to be at a movable position.
The position of the bridge in FIG. 31 is the position at the time of the maximum length. FIG. 33 shows an example in which the maximum length and the minimum length of the bridge are determined not by the reference point but by the reference line, and the reference line of the maximum length determination is inside the lens target or on the contour line thereof, and When the reference line for the minimum length determination is outside the lens target or on the outline thereof, it is determined that the bridge is at a movable position.
The determination based on the reference line imposes a more restrictive movement.
In order to make these determinations on a computer, a lens ball shape, a bridge shape (and a lip shape), and a reference point and a reference line of the maximum and minimum lengths of the bridge (and a lip shape) are stored in a storage device of the computer in advance. Enter in.
FIG. 29 shows a case where a plurality of bridges having substantially similar shapes and different lengths are used so that the design image is the same.

FIG. 29A shows an example in which three bridges 411, 412, and 413 are used. The bridge 411 can be attached to the position L1 of the lens-shaped contour line. The bridge 413 can be mounted at the position L3 of the lens-shaped contour line.
By using three bridges 411, 412, and 413 having different lengths, the movement range of the bridges can be widened. As shown in FIG. 29 (2), when the bridge is lowered vertically to the target lens, the length of a line segment between two points where the reference point E3 and the reference point E6 of the bridge correspond to the target line of the target lens shape If L is greater than or equal to the length B of the reference points E3 and E6, it can be determined that the bridge can be attached.

When the length L is shorter than the length B, as shown in FIG. 29 (3), the minimum length reference point E6 enters the inside of the target lens, and the maximum length reference point E3 moves outside the target lens. I will come out.

FIG. 32 is a diagram for explaining the determination of the overhang range of the yoke. The minimum length points D2 and D3 are the reference points that can set the length of the yoke to be the shortest, and the maximum length points D4 and D5 are This is the standard that can be set to the longest length. As in the case of the bridge described above, if the minimum length points D2 and D3 are outside the lens or on its outline and the maximum points D4 and D5 are inside the lens or on its contour line Is determined to be a position where attachment is possible. Note that the minimum length point D3 is an auxiliary thing, and specifies that if there is a pattern or the like that cannot be cut into the shape, the pattern or the like is not cut.

Therefore, when there is no pattern or the like, the determination of the minimum length may be performed only on the minimum length point D2. FIG. 32 (1) shows the case where the protrusion of the yoke is minimum at the heights H1 and H2, and FIG. 32 (1) shows the case where the protrusion of the yoke is maximized from FIG.
Adjustment of the overhang amount of the yoke is performed, for example, at a pitch of 0.5 mm. A range of the overhang amount that can be moved from the current position of the yolo is displayed on the screen, and a desired overhang amount within the range is input. Allows you to move the yoroi freely on the screen.
There are cases where the yolo and the bridge have steps in the pattern and design, and if the portion is cut off, the original image may be completely different. In such a case, the moving position of the yoke and the bridge is limited so as not to cut the pattern and the step.
FIG. 34 is an example of a stepped bridge. In the stepped bridge 410 in FIG. 1A, there is a step in the bridge 410 at the standard position in FIG. 2B, but as shown in FIG. When the bridge 410 moves downward, the width of the bridge 410 becomes narrower, the step is eliminated, and the image changes.

FIG. 35 shows an example of a patterned bridge. The patterned bridge 420 shown in FIG. 1A has a patterned portion and a non-patterned portion in the bridge 410 at the standard position shown in FIG. However, when the bridge 410 is moved downward as shown in FIG. 3C, the width of the bridge 410 is reduced and only the pattern portion is formed, and the image changes.

以外 In addition, other than the above, for example, in the case of a rim-type spectacle frame, there is also a rim-type eyeglass frame that has a rim lock on the back of the yoroi. In that case, the minimum length of the yoroi is the minimum size that can hold the rim lock.

According to the embodiment described in detail above, the positions of the yoke and the bridge of the spectacles can be determined according to the preference of the spectacle wearer, and the design of the spectacles can be made to more reflect the preference of the spectacle wearer.

Next, step 55 in the trial of FIG. 1 is a step of changing the size of the eye size, the distance between lenses (DBL) or the temple length.
Step 56 is a step of changing the color of eyeglass parts such as bridge, yoroi, temple, pad, and modern. This change can be made to the whole at once or to each part.

Step 57 is a step of changing the lens color, in which a desired color is selected and changed.
Step 58 is a step of changing the wearing scene. The wearing scene is a background screen of a portrait, and various backgrounds such as an office, a wedding, and a resort can be selected.
Step 59 is a step of inputting a lens prescription. Since this step must be performed in this embodiment, if this step is not performed during the trial, it is performed after the step of comparison and examination.
When this system is used to select only a frame, a lens prescription is not required. In this case, dummy data is input in a prescription input step.

In the above trial step, one or more preferred frames are determined by making various changes to the frame of the base design, and the process proceeds to the next comparative study step (step 6).比較 In this comparison step, the frames to be ordered are determined. If the decision cannot be made, the process returns to step 5 of the trial.

If the decision is made in the step of comparison and examination (step 6), it is determined in the next step (step 7) whether or not the lens prescription has been entered. If not, this is entered. If the input has already been made, the process proceeds to the next step 8.
In step 8, it is determined whether or not the face measurement is to be performed. If the face measurement is to be performed, the numerical value of each part of the frame component is measured and input using the face measuring device 104 (step 81). On the other hand, when the face measurement is not performed (for example, when the spectacle specifications are not special spectacles (when there is no significant modification to the base design frame), or when it is determined that the spectacle wearer is not in a unique wearing environment) If it is deemed that a small fitting operation after making the glasses is sufficient, the process proceeds to the next step 9, where the temple length is input, and other specifications are obtained from a two-dimensional screen. When this step 9 is completed, data necessary for eyeglass production including the frame shape and the like determined by the above steps is transmitted to the host computer 110 via the communication line.

The host computer 110 has an order check database having data including data necessary for manufacturing eyeglasses, analyzes the data transmitted from the point-of-sale interactive system 100, determines whether manufacturing is possible, and determines whether manufacturing is possible. If it is not possible, a response to that effect is transmitted to the storefront interactive system 100, and if manufacture is possible, the process proceeds to the next step (step 10).

If the in-store dialogue system 100 receives a response indicating that manufacture is impossible, the process returns to step 5 of the trial and performs steps such as change again. On the other hand, if it is determined that it can be manufactured, the process proceeds to step 11, where the calculation of the dimensions of each part, the calculation of the price and the delivery date and the like are performed, and the result is returned to the storefront interactive system 100 (step 12). Here, when calculating the price, the type, material, grade, size, weight, processing cost, and the like of each part are considered, and the calculation is performed according to a predetermined elimination rule.

In the in-store dialogue system 100, upon receiving a reply about the delivery date and price from the host computer 110, it is determined whether or not to place an order (step 13). If it is determined that the order is not to be made and an input to that effect is made, the process returns to step 5 of the trial. When a decision to place an order is made and an entry to that effect is made, a response to that effect is sent to the host computer 110.

When the host computer 110 receives the answer of the order determination, the process proceeds to step S14, where the host computer 110 stores the data necessary for manufacturing the glasses and the order processing including the data including the instruction processing necessary for manufacturing the glasses stored in the host computer 110. The database operates to create data necessary for eyeglass manufacturing, a frame manufacturing instruction and manufacturing data are transmitted to the terminal 121 of the manufacturing factory responsible for frame manufacturing, and the lens 122 is connected to the terminal 122 of the manufacturing factory responsible for lens manufacturing. The production instruction and the production data are transmitted (step 14).

In each manufacturing factory, these data are output (steps 151 and 152), frame manufacturing (step 153) and lens manufacturing (step 154) are performed, and these are sent to a spectacle assembling factory to assemble spectacles. (Step 16) After inspection, it is dispatched (Step 17).

The present invention selects an arbitrary one of a plurality of types of base design frames prepared in advance on a display screen controlled by a computer, and, based on the selected base design frame, various frames. It relates to an eyeglasses made-to-order system that allows the user to determine and order the optimal eyeglass specifications according to the preferences of the eyeglass orderer by arbitrarily changing each component of the eyeglasses including the type, lens shape and parts. Thus, it is possible to promptly determine and order spectacles of a design that places more emphasis on the preferences of the spectacle wearer by performing only procedures that the operator considers necessary.

BRIEF DESCRIPTION OF THE DRAWINGS It is a flowchart figure which shows the outline | summary of the glasses custom-made system concerning the Example of this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is a flowchart figure which shows the outline | summary of the glasses custom-made system concerning the Example of this invention. It is a figure showing the example of the display screen of the opening in the made-to-order system concerning an example. It is a figure showing the example of the display screen of the base design selection in the order-made system concerning an example. It is a figure showing the example of a display screen of portrait photography in the bespoke system concerning an example. It is a figure showing an example of a display screen of an overlap in a bespoke system concerning an example. It is a figure showing the example of the display screen of the trial in the order-made system concerning an example. It is a figure showing the example of the display screen of the trial in the order-made system concerning an example. It is a figure showing an example of a display screen of comparison examination etc. in a bespoke system concerning an example. FIG. 2 is a block diagram illustrating an outline of a hardware configuration of the custom-made system according to the embodiment. FIGS. 4A and 4B are explanatory diagrams illustrating how to handle a front portrait on a screen according to the present invention, wherein FIG. 4A illustrates a method of setting a reference point of the portrait, and FIG. 4B illustrates a relationship between the portrait and a reference line on the screen. FIG. 9C is a diagram showing a state in which the portrait is rotated so that the line segment between the corneal vertices matches the horizontal reference line on the screen. It is a figure showing an example of the front picture of the spectacles frame in the present invention. FIGS. 12A and 12B are diagrams illustrating the present invention, in which FIG. 11A is a diagram illustrating a relationship between a reference point of a portrait and a setting position of a reference point of a frame obtained in FIG. 11A, and FIG. It is a figure showing an image. It is an explanatory view of the present invention, (a) is a figure showing an example in which the balance of the entire portrait is lost when the line segment between the corneal vertices is made to coincide with a horizontal reference line on the screen, and (b) is a figure in which the portrait is manually rotated It is a figure which shows the state which kept the balance of the whole portrait. FIGS. 15A and 15B are diagrams illustrating the present invention, in which FIG. 14A is a diagram illustrating a relationship between a reference point of a portrait manually corrected as shown in FIG. 14 and a setting position of a reference point of a frame, and FIG. It is a figure showing an image. FIG. 7A is a diagram illustrating the handling of a side portrait on a screen according to the present invention. FIG. 4 is a diagram showing a state in which a frame image reference is set from a lens side image. FIG. 7A is an explanatory view of handling a frontal portrait on a screen in a conventional example, in which FIG. 7A shows a state in which a corneal vertex on a portrait is obtained and a line segment between corneal vertices is drawn, and FIG. It is a figure showing the state where a position was set as a reference point. FIG. 5 is a flowchart illustrating a method of changing a frame type according to the first embodiment. FIG. 6 is a diagram illustrating an example of a display screen when a data correction operation and a data addition operation in the first embodiment are performed on the display screen by a computer simulation method. FIG. 9 is a diagram for describing a study on changing a lens shape in the first embodiment. FIG. 4 is a diagram for explaining determination of a rim lock position in the first embodiment. FIG. 4 is a diagram for explaining determination of a rim lock position in the first embodiment. FIG. 4 is a diagram for explaining determination of a rim lock position in the first embodiment. FIG. 9 is a diagram for describing a study on changing a lens shape in the first embodiment. FIG. 13 is a flowchart of a method of changing a frame type according to the second embodiment. FIG. 14 is a flowchart illustrating a method of changing a frame type according to the third embodiment. 4 is a diagram illustrating an example of a display screen of computer graphics when the method for determining the position of the eyepiece and the bridge of glasses according to the embodiment of the present invention is performed. 4 is a diagram illustrating an example of a display screen of computer graphics when the method for determining the position of the eyepiece and the bridge of glasses according to the embodiment of the present invention is performed. FIG. 4 is a diagram for explaining a method of determining a movable position of a bridge according to the embodiment of the present invention. FIG. 4 is a diagram for explaining a method of determining a movable position of a bridge according to the embodiment of the present invention. FIG. 4 is a diagram for explaining a method of determining a movable position of a bridge according to the embodiment of the present invention. It is a figure for explaining the method of judging the movable position of the yoke in the example of the present invention. FIG. 4 is a diagram for explaining a method of determining a movable position of a bridge according to the embodiment of the present invention. FIG. 4 is a diagram for explaining a method of determining a movable position of a bridge according to the embodiment of the present invention. FIG. 4 is a diagram for explaining a method of determining a movable position of a bridge according to the embodiment of the present invention. FIG. 2 is a diagram showing a face measuring device 104.

Claims (6)

It is a method of changing the type of eyeglass frame that changes the type of frame without changing the design image,
Data relating to a frame including a frame shape of a first eyeglass frame belonging to a first frame type having a specific design includes:
When performing a data correction operation of performing a necessary minimum correction when necessary to satisfy a constraint condition including a structural or design constraint of the second frame type,
By performing a data addition operation for adding data relating to the eyeglass parts that are not in the first frame type but are in the second frame type,
A method of changing a spectacle frame type, comprising obtaining data relating to a frame including a frame shape of a second spectacle frame belonging to a second frame type having a design image common to the first spectacle image. When changing the frame type from the rimless type first spectacle frame to the full rim type second spectacle frame,
In the data correction operation,
Inverse R check, maximum R check, determination of rim lock position determination, R check of rim lock position and R correction of rim lock position performed when its R value is equal to or less than a predetermined value, minimum R check and its minimum R value 2. The method according to claim 1, wherein a minimum R correction is performed when is less than or equal to a predetermined value. When changing the frame type from the rimless type first spectacle frame to the rimron type second spectacle frame,
In the data correction operation,
2. The method according to claim 1, wherein an inverse R check, a maximum R check, a minimum R check, and a minimum R correction performed when the minimum R value is equal to or less than a predetermined value are performed. . When changing the frame type from the first eyeglass frame of the rimron type to the second eyeglass frame of the full rim type,
In the data correction operation, determination of rim lock position determination,
2. The method according to claim 1, wherein an R check of the rim lock position and an R correction of the rim lock position performed when the R value is equal to or less than a predetermined value are performed. 2. The method according to claim 1, wherein the data correction operation and the data addition operation are performed by a computer simulation method. When performing the data correction operation and the data addition operation by a computer simulation method,
Capture the face image of the spectacle wearer, create an image with the spectacles attached to the face by superimposing the spectacle frame image created by the data related to the spectacle frame on the face image, and display the image on the display screen. 6. The method according to claim 5, wherein the data correction operation and the data addition operation are performed.

Images