JP2007323011A - Image adjustment system and image display device - Google Patents

Abstract

An image adjustment system and an image display apparatus capable of reducing the labor of work when adjusting the settings of an image display apparatus and adjusting the setting contents to be equivalent to those of other image display apparatuses or previous image display apparatuses I will provide a.
An image display device 1 stores setting information defining a display state of an image to be displayed in a storage unit 13, and an information processing device 2 connected via a communication interface 17 stores the setting information. The information is read from the unit 13, the content of the setting information is changed by the information processing apparatus 2, and the setting information whose content is changed is returned to the storage unit 13. The user can adjust the setting contents of the image display apparatus 1 by using the information processing apparatus 2 that can change the contents of the setting information. By storing the setting information read from the other image display device or the setting information read out previously in the storage unit 13, the image display device 1 is equivalent to the other image display device or the previous image display device 1. It is adjusted to the setting contents.
[Selection] Figure 2

Description

  The present invention relates to an image adjustment system and an image display device that adjust an image displayed by an image display device such as a projector or a display.

  2. Description of the Related Art Conventionally, various image display devices that can receive image data from the outside and display an image based on the received image data, such as a liquid crystal display, a plasma display, or a projector, have become widespread. These image display devices set the image gain to be displayed, the color expression method, the color temperature, the gamma value for each color, and the like based on the image data, and display the image according to the setting contents. . Usually, the setting content of the image display device can be adjusted by the operator or the user operating the image display device, and by adjusting the setting content, the image display device can adjust the image according to the product specifications. Alternatively, an image suitable for the user's preference can be displayed.

In addition, certain electronic devices such as personal computers (PCs) and music players input / output data via a storage unit such as a semiconductor memory or a hard disk, and a USB (Universal Serial Bus) or LAN (Local Area Network). An output interface is provided. Some of these electronic devices can output data stored in a storage unit to other external electronic devices using an input / output interface. Japanese Patent Application Laid-Open No. 2004-228561 discloses a technique that allows manual data to be stored inside a device, and allows manual data to be output from the device to another device such as a PC using a USB.
JP 2000-259279 A

  In the conventional image display device, information necessary for adjusting the setting content is displayed, and the setting content is adjusted by an operator or a user operating a switch or the like provided in the image display device. However, the operation procedure for adjusting the design or setting contents such as the switch arrangement differs depending on the type of the image display device, and the setting contents are adjusted particularly for workers who need to adjust many image display devices. There is a problem that work is troublesome. There is also a problem that it is difficult to adjust the setting contents so as to be equal to each other in a plurality of image display devices.

  In recent years, the internal structure of an image display apparatus is unitized. When repairing a failed image display apparatus, the unit including the failed part is often replaced. At this time, the unit including the memory in which the setting contents are recorded may be replaced, and it is necessary to adjust the setting contents again after repair. However, since the setting contents before repair are lost, there is a problem that it is difficult to faithfully reproduce the setting contents before repair.

  The present invention has been made in view of such circumstances, and an object of the present invention is to store setting information representing setting contents and to enable reading and writing of setting information by an external device such as a PC. Accordingly, it is an object of the present invention to provide an image adjustment system and an image display device that can reduce the labor of the work and can be adjusted to the same setting contents as other image display devices or previous image display devices.

  An image adjustment system according to the present invention includes an image display device and an information processing device connected to the image display device, and the image display device adjusts an image displayed by the image display device. A storage unit that stores setting information that defines a display state of an image to be displayed; and a unit that displays an image according to the setting information stored in the storage unit, wherein the information processing apparatus includes the storage unit Means for reading the setting information from the means, means for changing the contents of the setting information read by the means, and means for transmitting the setting information whose contents have been changed by the means to the image display device. The display device further includes means for storing the setting information received from the information processing apparatus in the storage means.

  In the image adjustment system according to the present invention, the image display device further includes means for transmitting data representing an image according to the setting information stored in the storage means to the information processing device, The image display device further includes means for displaying an image represented by the data received from the image display device.

  An image display device according to the present invention includes a storage unit that stores setting information that defines a display state of an image to be displayed, a unit that displays an image according to the setting information stored in the storage unit, and an external device. And a means for causing the external device to read the setting information from the storage means when the setting information read request is received from the storage device.

  The image display apparatus according to the present invention further includes means for receiving the other setting information from an external apparatus, and means for storing the setting information received by the means in the storage means.

  The image display apparatus according to the present invention further includes means for transmitting data representing an image according to the setting information stored in the storage means to an external device.

  In the present invention, the image display device stores setting information that defines the display state of the image to be displayed, and the information processing device connected to the image display device reads the setting information from the image display device, and the setting information Is changed by the information processing device, and the setting information whose content has been changed is returned from the information processing device to the image display device. The user of the image display device and the operator who adjusts the image display device use the information processing device that executes an application such as an editor that can change the contents of the setting information, so that the image display device can The setting content of the image display device can be adjusted so that an image can be displayed.

  In the present invention, the image display device transmits data representing an image according to the stored setting information to an external information processing device, and the information processing device displays the image represented by the data received from the image display device. indicate. The user of the image display device and the operator who adjusts the image display device can adjust the setting contents of the image display device while confirming the image to be displayed by the image display device.

  In the present invention, the user of the image display device and the operator who adjusts the image display device can operate the information processing device for a plurality of types of image display devices having different designs and the like by operating the information processing device. The setting contents of the image display device can be adjusted without taking time and effort in the operation procedure. In addition, setting information is read from the image display device before repair and stored in the information processing device in advance, and the setting information before repair of the image display device is stored by returning the setting information to the image display device after repair. It can be reproduced. In addition, the setting information read from the image display device by the information processing device is transmitted to and stored in another image display device, so that the setting contents of the plurality of image display devices can be adjusted equally.

  According to the present invention, when the user and the worker adjust the contents of the setting information using the information processing apparatus, the image display apparatus displays an image to be displayed according to the adjustment of the contents of the setting information. The present invention has an excellent effect such that it is possible to adjust the setting contents of the image display device more accurately while confirming the change.

Hereinafter, the present invention will be specifically described with reference to the drawings showing embodiments thereof.
FIG. 1 is a schematic diagram showing the appearance of the image adjustment system of the present invention. The image adjustment system of the present invention includes the image display device 1 of the present invention and an information processing device 2 using a PC, and the information processing device 2 is connected to the image display device 1. The image display device 1 is a projector that receives image data transmitted from another device (not shown) such as a PC or an image recording device, and projects an image based on the received image data.

  FIG. 2 is a block diagram showing an internal configuration of the image display device 1 and the information processing device 2 of the present invention included in the image adjustment system of the present invention. The image display device 1 includes a processor that performs a calculation, a RAM that stores information temporarily generated at the time of the calculation, and the like, and includes a control processing unit 11 that performs a process for controlling the operation of the entire image display device 1. Connected to the control processing unit 11 are a ROM 12 for storing a control program necessary for calculations performed by the control processing unit 11 and a storage unit 13 composed of a nonvolatile memory. The control processing unit 11 includes a processor that performs processing for generating an image based on image data, an image device such as a liquid crystal panel that forms an image, a light source, an optical system for projecting an image, and the like. An image processing unit 14 is connected to execute processing for displaying an image based on the above. The control processing unit 11 is connected to an image memory 15 that temporarily stores an image to be displayed by the image processing unit 14 and a receiving unit 16 that receives image data transmitted from another device (not shown).

  The control processing unit 11 operates the image processing unit 14 according to the control program stored in the ROM 12 and causes the image processing unit 14 to display an image based on the image data received by the receiving unit 16. The storage unit 13 stores setting information that defines a display state such as an image gain to be displayed by the image processing unit 14 based on the image data, a color expression method, a color temperature, and a gamma value for each color. For example, the setting information includes information that defines the correspondence between the value representing the brightness of the image included in the image data received by the receiving unit 16 and the luminance of the image to be actually displayed. Further, for example, the setting information includes a value representing the intensity of each color included in the image data using the respective gamma values of a plurality of colors included in the image, and the luminance of each color included in the image to be actually displayed. Contains information that defines the correspondence between The image processing unit 14 stores image data representing an image generated based on the image data received by the receiving unit 16 and adjusted according to the setting information in the image memory 15, and displays the image represented by the stored image data. Execute.

  The image display device 1 of the present invention further includes a communication interface 17 for inputting / outputting data via USB or LAN. By attaching a predetermined communication line to the communication interface 17, the image display apparatus 1 is connected to an external device via the communication interface 17. The communication interface 17 includes a controller (not shown) that controls processing for inputting and outputting data with the outside.

  The information processing apparatus 2 includes a CPU 21 that performs an operation, a RAM 22 that temporarily stores various types of information accompanying the execution of the operation, and a storage unit 23 that includes a hard disk or a nonvolatile memory. The storage unit 23 stores a computer program, and the CPU 21 loads the computer program from the storage unit 23 to the RAM 22 as necessary, and executes various processes according to the loaded computer program. The information processing apparatus 2 also includes a display unit 24 such as a liquid crystal display that displays necessary information, and an operation unit 25 such as a keyboard or a pointing device that accepts various processing instructions by user operations. Further, the information processing apparatus 2 includes a communication interface 26 that inputs and outputs data via USB or LAN. The information processing apparatus 2 is connected to the image display apparatus 1 by connecting the communication interface 17 of the image display apparatus 1 and the communication interface 26 of the information processing apparatus 2 via a communication line.

  The communication interface 17 of the image display device 1 communicates with the information processing device 2, and the information processing device 2 accesses the setting information stored in the storage unit 13 in accordance with an access request from the information processing device 2. It has a function to make it possible. For example, the communication interface 17 is a USB storage class device, and performs communication with the information processing apparatus 2 that is a USB host. The control processing unit 11 of the image display device 1 performs processing for causing the communication interface 17 to transmit the setting information to the information processing device 2 when the communication interface 17 receives a setting information read request from the information processing device 2. . Further, when the communication interface 17 receives the setting information from the information processing apparatus 2, the control processing unit 11 performs processing for storing the received setting information in the storage unit 13.

  The setting information stored in the storage unit 13 of the image display device 1 is data in a format that can be rewritten by the information processing device 2, such as a text file. The information processing device 2 reads the setting information from the image display device 1 via the communication interface 17, rewrites the read setting information, and stores the rewritten setting information in the storage unit 13 of the image display device 1. Processing for adjusting the setting contents of the apparatus 1 is performed. FIG. 3 is a flowchart showing the content of processing in which the information processing device 2 adjusts the setting content of the image display device 1. The CPU 21 of the information processing device 2 executes the following processing according to the computer program loaded from the storage unit 23 to the RAM 22.

  The CPU 21 of the information processing device 2 executes an application for file operation, accesses the storage unit 13 of the image display device 1 via the communication interface 26, and receives a predetermined operation by the user via the operation unit 25. Then, a request for reading the setting information is transmitted to the image display apparatus 1 through the communication interface 26 (S11). The image display device 1 receives a read request from the information processing device 2 through the communication interface 17 (S12), and the control processing unit 11 sends the setting information stored in the storage unit 13 to the communication interface 17 as the information processing device 2. (S13). The information processing apparatus 2 receives the setting information through the communication interface 26 (S14), and the CPU 21 executes an application such as an editor and performs processing for rewriting the contents of the received setting information in accordance with an operation from the user (S15). ). At this time, the CPU 21 executes an application such as an editor to display the contents of the setting information on the display unit 24, and the user who confirms the display contents on the display unit 24 operates the operation unit 25 to set the setting information. Is changed, the setting information is changed in accordance with the received change instruction, and the setting information is rewritten.

  The CPU 21 causes the communication interface 26 to transmit the setting information whose contents have been changed to the image display device 1 (S16). The image display device 1 receives the setting information transmitted from the information processing device 2 via the communication interface 17 (S17), and the control processing unit 11 stores the received setting information in the storage unit 13 (S18). In this way, the image display device 1 stores the setting information rewritten by the information processing device 2 in the storage unit 13, and thereafter, the image processing unit 14 performs a process of displaying an image according to the rewritten setting information. Execute.

  Through the above processing, the information processing apparatus 2 can adjust the setting contents of the image display apparatus 1 by changing the contents of the setting information stored in the storage unit 13 of the image display apparatus 1. Accordingly, the user of the image display device 1 and the operator who adjusts the image display device 1 in a factory or the like cause the information processing device 2 to execute an application such as an editor that can change the contents of the setting information. The setting content of the image display device 1 can be easily adjusted so that the image display device 1 can display a desired image. In particular, a worker who needs to adjust many image display apparatuses 1 can operate the information processing apparatus 2 with respect to a plurality of types of image display apparatuses 1 having different designs and the like in almost the same operation procedure. The setting contents of the image display device 1 can be adjusted without applying.

  Further, the CPU 21 of the information processing device 2 may perform a process of storing the setting information in the storage unit 23 when the setting information is received from the image display device 1 in step S14 or when the setting information is rewritten in step S15. Is possible. The setting information stored in the storage unit 23 can be processed by the CPU 21 to transmit the communication interface 26 to the image display device 1 when necessary. That is, when repairing the failed image display device 1, the information processing device 2 reads setting information from the image display device 1 before repair, stores it in the storage unit 23, and stores it in the storage unit 23. It is possible to perform processing for transmitting the set information to the image display device 1 after repair. As a result, the image display device 1 stores setting information equivalent to that before repair in the storage unit 13, making it easy to adjust the image display device 1 after repair, and setting contents of the image display device 1 before repair. Can be reproduced faithfully.

  Further, the information processing apparatus 2 can perform processing for transmitting the setting information stored in the storage unit 23 to the plurality of image display apparatuses 1. As a result, the plurality of image display devices 1, 1,... Can store the setting information having the same content in the storage unit 13. Therefore, for example, it is easy to adjust the setting contents of the plurality of image display devices 1, 1,... Equally so that the plurality of image display devices 1, 1,. Become. For example, in an application in which a plurality of image display devices 1, 1,... Are used and an image projected by each image display device 1 is combined to display an image on a large screen, the hue in the displayed image is uniform. In addition, it is possible to unify and adjust the hue of the image displayed by each image display device 1.

  In the above embodiment, the information processing apparatus 2 has shown a form using a general application such as an editor that can rewrite the setting information. However, the present invention is not limited to this, and the information is stored in the storage unit 23. The form which performs the process which rewrites setting information by running the application program for exclusive use contained in a computer program may be sufficient. The image display device 1 may be configured to perform processing for causing the information processing device 2 to display an image to be displayed according to the setting information when the information processing device 2 performs processing for rewriting the setting information. FIG. 4 is a flowchart showing the content of processing in which the information processing device 2 adjusts the setting content of the image display device 1 while displaying an image according to the setting information. The CPU 21 of the information processing device 2 executes the following processing according to the computer program stored in the storage unit 23.

  An application program for adjusting the setting contents of the image display device 1 is included in the computer program stored in the storage unit 23 of the information processing device 2, and the CPU 21 loads the application program to the RAM 22 and executes it. The CPU 21 that has executed the application program accesses the storage unit 13 of the image display device 1 via the communication interface 26 and, when a predetermined operation by the user is received by the operation unit 25, issues a setting information read request to the communication interface. 26 is transmitted to the image display apparatus 1 (S201). The image display device 1 receives the read request from the information processing device 2 via the communication interface 17 (S202). The image processing unit 14 generates an image adjusted according to the setting information stored in the storage unit 13 based on the image data received from the outside by the receiving unit 16 or the test image data stored in the storage unit 13 or the ROM 12. (S203). The image processing unit 14 stores image data representing the generated image in the image memory 15. The control processing unit 11 causes the communication interface 17 to transmit the image data stored in the image memory 15 and the setting information stored in the storage unit 13 to the information processing apparatus 2 (S204).

  The information processing apparatus 2 receives the image data and setting information by the communication interface 26 (S205), and the CPU 21 adjusts the setting contents of the image display apparatus 1 by rewriting the image represented by the received image data and the setting information. An adjustment screen for accepting an instruction for this is displayed on the display unit 24 (S206). FIG. 5 is a schematic diagram illustrating a display example of an image represented by the image data received from the image display device 1 and an adjustment screen. In the display example shown in the figure, a test image on the image display device 1 and the intensity of each color of R (red), G (green) and B (blue) included in the image are adjusted. The adjustment screen is shown. The user confirms the display screen displayed on the display unit 24 and operates the operation unit 25 such as a mouse to change the instruction for changing the intensity of each RGB color included in the image. Input to the processing device 2 is possible.

  The CPU 21 waits for a change instruction when the user operates the operation unit 25 in a state where the display screen as shown in FIG. 5 is displayed on the display unit 24 (S207). When the change instruction is received (S207: YES), the CPU 21 changes the content of the setting information received from the image display device 1 in accordance with the received change instruction such as an instruction to change the intensity of any color, Processing for rewriting the setting information is performed (S208), and the rewritten setting information is transmitted to the image display apparatus 1 through the communication interface 26 (S209).

  The image display device 1 receives the setting information transmitted from the information processing device 2 via the communication interface 17 (S210), and the control processing unit 11 stores the received setting information in the storage unit 13 (S211). The image processing unit 14 generates an image according to the setting information newly stored in the storage unit 13 (S212), and stores the image data representing the generated image in the image memory 15. The control processing unit 11 causes the communication interface 17 to transmit the image data newly stored in the image memory 15 to the information processing apparatus 2 (S213).

  The information processing device 2 receives the image data newly transmitted from the image display device 1 through the communication interface 26 (S214), and the CPU 21 returns the process to step S206 to display the image and the adjustment screen represented by the received image data. Is displayed on the display unit 24. That is, the information processing apparatus 2 displays an image in which the intensity of any color is changed in accordance with the change instruction received in step S207 on the display unit 24. By repeating the processing of step S207 to step S214 in the information processing device 2 and the image display device 1, the user operating the information processing device 2 confirms the change in the image to be displayed by the image display device 1 on the display unit 24. However, the setting content of the image display device 1 can be adjusted.

  If no change instruction is received in step S207 (S207: NO), the CPU 21 of the information processing apparatus 2 waits for an end instruction received by the user operating the operation unit 25 (S215). If no termination instruction has been received (S215: NO), the CPU 21 returns the process to step S207. If an end instruction is accepted (S215: YES), the CPU 21 ends the process. At this time, the storage unit 13 of the image display device 1 stores setting information whose contents have been changed by the above processing.

  Also by the above processing, the information processing apparatus 2 can adjust the setting contents of the image display apparatus 1 by changing the contents of the setting information stored in the storage unit 13 of the image display apparatus 1. The user can adjust the setting content of the image display device 1 more accurately while checking the change of the image to be displayed by the image display device 1 according to the adjustment of the setting content.

  In the present embodiment, an example in which the image display device 1 of the present invention is a projector has been described. However, the present invention is not limited to this, and may be in the form of a display such as a liquid crystal display. In addition, as an example of the communication interface 17 included in the image display apparatus 1 and the communication interface 26 included in the information processing apparatus 2, an example of a USB device has been described. However, the present invention is not limited thereto, and other forms of communication such as IEEE 1394 It may be an interface.

It is a schematic diagram which shows the external appearance of the image adjustment system of this invention. It is a block diagram which shows the internal structure of the image display apparatus and information processing apparatus of this invention which the image adjustment system of this invention contains. It is a flowchart which shows the content of the process in which information processing apparatus adjusts the setting content of an image display apparatus. It is a flowchart which shows the content of the process which an information processing apparatus adjusts the setting content of an image display apparatus, displaying the image according to setting information. It is a schematic diagram which shows the example of a display of the image and adjustment screen which the image data received from the image display apparatus represent.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Image display apparatus 11 Control processing part 13 Memory | storage part 17 Communication interface 2 Information processing apparatus 21 CPU
23 Storage Unit 26 Communication Interface

Claims (5)

In an image adjustment system that includes an image display device and an information processing device connected to the image display device and adjusts an image displayed by the image display device,
The image display device includes:
Storage means for storing setting information defining the display state of an image to be displayed;
Means for displaying an image according to the setting information stored in the storage means,
The information processing apparatus includes:
Means for reading the setting information from the storage means;
Means for changing the content of the setting information read by the means;
Means for transmitting the setting information whose contents have been changed to the image display device,
The image display device further includes:
An image adjustment system comprising: means for storing the setting information received from the information processing apparatus in the storage means. The image display device further includes:
Means for transmitting data representing an image according to the setting information stored in the storage means to the information processing apparatus;
The information processing apparatus further includes:
The image adjustment system according to claim 1, further comprising means for displaying an image represented by the data received from the image display device. Storage means for storing setting information defining the display state of an image to be displayed;
Means for displaying an image according to the setting information stored in the storage means;
An image display device comprising: a unit that causes the external device to read the setting information from the storage unit when a request to read the setting information is received from an external device. Means for receiving the other setting information from an external device;
The image display apparatus according to claim 3, further comprising: a unit that stores the setting information received by the unit in the storage unit.   5. The image display apparatus according to claim 3, further comprising means for transmitting data representing an image according to the setting information stored in the storage means to an external apparatus.

Images