CN111407284A - Auxiliary equipment, method, device and controller for acquiring 3D head shape data - Google Patents

Abstract

The embodiment of the application provides auxiliary equipment, a method, a device and a controller for acquiring three-dimensional head type data, and relates to the field of three-dimensional imaging, wherein the auxiliary equipment comprises: the fluorescent lamp comprises an elastic head sleeve, a plurality of fluorescent sheets and a rotating table, wherein the fluorescent sheets are arranged on the surface of the elastic head sleeve; the head of a human body is worn with the elastic head cover, and the human body is placed on the rotating table to rotate to different angles so as to reflect head type information through the position change of the plurality of fluorescent sheets; therefore, the fluorescent sheets arranged on the surface of the elastic headgear are scanned by the three-dimensional scanning equipment to obtain the position data of the fluorescent sheets, and then the position data are subjected to three-dimensional modeling calculation to obtain three-dimensional head type data, and higher data accuracy can be ensured.

Description

Auxiliary equipment, method, device and controller for acquiring 3D head shape data

technical field

The present application belongs to the field of three-dimensional imaging, and in particular relates to an auxiliary device, method, device and controller for acquiring three-dimensional head shape data.

Background technique

In the prior art, there are mainly two ways to acquire 3D head shape data. One is to use virtual imaging to generate 3D head shape data, but its accuracy is difficult to guarantee; the other is to generate 3D head shape data through 3D modeling with certain modeling software after taking pictures and imaging, but there are certain data deviations in this method .

SUMMARY OF THE INVENTION

In order to solve the problem of low data accuracy when acquiring 3D head shape data in the prior art at least to a certain extent, the present application provides an auxiliary device, method, device and controller for acquiring 3D head shape data, which can facilitate , Accurately obtain 3D data of human head shape.

To achieve the above purpose, the application adopts the following technical solutions:

In a first aspect, an auxiliary device for acquiring three-dimensional head shape data is provided, comprising: an elastic headgear, a plurality of fluorescent sheets disposed on the surface of the elastic headgear, and a rotating table;

The elastic headgear is worn on the head of a human body and rotated to different angles on the rotating table, so as to reflect the head shape information through the positional changes of the plurality of fluorescent sheets.

The above-mentioned auxiliary device for acquiring 3D head shape data further includes:

The three-dimensional scanning device is used for scanning the fluorescent sheet disposed on the surface of the elastic headgear when the elastic headgear is worn on the head of a human body and rotated on the rotating table to obtain the position data of the fluorescent sheet.

The above-mentioned auxiliary device for acquiring 3D head shape data further includes:

A data processing terminal, connected with the three-dimensional scanning device, is used for acquiring the position data of the fluorescent sheet from the three-dimensional scanning device, and performing three-dimensional modeling calculation on it to obtain three-dimensional head shape data.

In the above-mentioned auxiliary device for acquiring 3D head shape data, the data processing terminal is a mobile communication device with built-in 3D modeling software for 3D modeling calculation.

In the above-mentioned auxiliary device for acquiring 3D head shape data, the mobile communication device and the 3D scanning device are connected through a data line.

A second aspect provides a method for acquiring 3D head shape data, applicable to the auxiliary device for acquiring 3D head shape data described in the first aspect, including:

When the human head wears an elastic headgear and is placed on the rotary table, control the rotation of the rotary table;

When the rotary table rotates to a specified angle, control the three-dimensional scanning device to scan the fluorescent sheet arranged on the surface of the elastic headgear, and obtain the position data of the fluorescent sheet;

Three-dimensional modeling calculation is performed on the position data of the fluorescent sheet to obtain three-dimensional head shape data.

A third aspect provides a device for acquiring 3D head shape data, applicable to the auxiliary device for acquiring 3D head shape data described in the first aspect, including:

The rotation control module is used to control the rotating table to rotate once when the elastic headgear is worn on the head of the human body and is placed on the rotating table;

a scanning control module, configured to control the three-dimensional scanning device to scan the fluorescent sheet disposed on the surface of the elastic headgear when the rotary table rotates to a specified angle, and obtain the position data of the fluorescent sheet;

The data calculation module is used for performing three-dimensional modeling calculation on the position data of the fluorescent sheet to obtain three-dimensional head shape data.

In a fourth aspect, a controller is provided for executing the above method for acquiring three-dimensional head shape data.

An auxiliary device, method, device, and controller for acquiring three-dimensional head shape data provided by the embodiments of the present invention, wherein the auxiliary device includes: an elastic headgear, a plurality of fluorescent sheets disposed on the surface of the elastic headgear, and a rotating table; Wearing an elastic headgear and rotating it to different angles on the rotating table to reflect the head shape information through the position changes of multiple fluorescent sheets; in this way, the fluorescent sheets arranged on the surface of the elastic headgear are scanned by a three-dimensional scanning device to obtain fluorescent sheets. The position data is obtained, and then the three-dimensional modeling calculation is performed on the position data, and the three-dimensional head shape data can be obtained, and high data accuracy can be guaranteed.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not limiting of the present application.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application or related technologies more clearly, the following briefly introduces the accompanying drawings that are used in the description of the embodiments or related technologies. Obviously, the drawings in the following description are only the For some embodiments of the application, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic structural diagram of an auxiliary device for acquiring three-dimensional head shape data in an embodiment of the application;

2 is a flowchart of a method for acquiring three-dimensional head shape data in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of an apparatus for acquiring three-dimensional head shape data in an embodiment of the present application.

Description of reference numbers:

1-Elastic head cover, 2-Fluorescent sheet, 3-Rotating table, 4-Three-dimensional scanning equipment, 5-Data processing terminal.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present application more clear, the technical solutions of the present application will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the examples in this application, all other implementations obtained by those of ordinary skill in the art without creative work fall within the scope of protection of this application.

Example 1

An embodiment of the present invention provides an auxiliary device for acquiring 3D head shape data. As shown in FIG. 1 , the auxiliary device for acquiring 3D head shape data includes: an elastic head cover 1 , a plurality of The fluorescent sheet 2 and the rotating table 3; the elastic headgear 1 is worn on the human head and placed on the rotating table 2 and rotated to different angles, so as to reflect the head shape information through the positional changes of the multiple fluorescent sheets 2 .

Among them, the elastic headgear 1 can be made of elastic film materials such as rubber to better fit the outline of the human head shape; the fluorescent sheet 2 is attached to the surface of the elastic headgear 1 to mark the position data of the head shape, which can be scanned by 3D scanning. The device is scanned and obtained. In addition, in order to facilitate the collection of the position data of the fluorescent sheet 2, a rotary table 3 is also set up, and the human body is placed on the rotary table 3, and rotates synchronously with the rotation of the rotary table 3, so that the external three-dimensional scanning equipment can easily scan the fluorescent sheet 2. Change location.

In a specific embodiment, the above-mentioned auxiliary device for acquiring 3D head shape data further includes: a 3D scanning device 4 for wearing the elastic headgear 1 on the head of the human body, and rotating on the rotating table 3, the elastic The fluorescent sheet 2 arranged on the surface of the headgear 1 is scanned to obtain the position data of the fluorescent sheet 2 .

Among them, the three-dimensional scanning device 4 can use different color fluorescence spectra and scanning principles to scan the fluorescent sheet 2 , and the specific scanning principle and instrument model are not limited in this embodiment.

In a specific embodiment, the above-mentioned auxiliary device for acquiring 3D head shape data further includes:

The data processing terminal 5 is connected to the three-dimensional scanning device 4, and is used for acquiring the position data of the fluorescent sheet 2 from the three-dimensional scanning device 4, and performing three-dimensional modeling calculation on it to obtain three-dimensional head shape data.

Specifically, the data processing terminal 5, as the core module of data processing, includes a pre-trained and learned three-dimensional modeling model, and the three-dimensional modeling model can perform three-dimensional modeling calculation according to the position data (spatial position data) of the fluorescent sheet 2, and obtain Corresponding 3D head shape data. The specific manner of the three-dimensional modeling is not limited.

In a specific embodiment, the above-mentioned data processing terminal 5 may be a mobile communication device with built-in 3D modeling software for 3D modeling calculation.

In a specific embodiment, the above-mentioned mobile communication device and the three-dimensional scanning device 4 are connected through a data line, so as to facilitate connection and movement.

The auxiliary device for acquiring three-dimensional head shape data provided by the embodiment of the present invention includes: an elastic headgear, a plurality of fluorescent sheets disposed on the surface of the elastic headgear, and a rotating table; the elastic headgear is worn on the human head and placed on the rotating table Rotate to different angles to reflect the head shape information through the positional changes of multiple fluorescent sheets; in this way, the fluorescent sheets arranged on the surface of the elastic headgear are scanned by the three-dimensional scanning device to obtain the position data of the fluorescent sheets, and then the three-dimensional analysis of these position data is carried out. By modeling and calculation, three-dimensional head shape data can be obtained, and high data accuracy can be guaranteed.

Because in this solution, the fluorescent sheet 2 attached to the surface of the elastic headgear 1 is used to reflect the spatial position of the human head, compared with the virtual imaging in the prior art and the proof of the original human head position data based on photos, the accuracy is higher. higher, so that the final generated 3D head shape data is also more accurate.

Embodiment 2

In order to cooperate with the control to execute the above-mentioned auxiliary device for obtaining 3D head shape data, an embodiment of the present invention provides a method for obtaining 3D head shape data. As shown in FIG. 2 , the method includes:

210. Control the rotation of the turntable when the human head wears the elastic headgear and is placed on the turntable.

Specifically, let the person or head mold whose head data is to be collected wear an elastic headgear, and then place the person or head mold on the turntable, and control the rotation of the turntable to drive the head part to rotate. In order to fully reflect the human head information, the turntable can be controlled to rotate for at least one turn.

220 , when the rotary table rotates to a specified angle, control the three-dimensional scanning device to scan the fluorescent sheet disposed on the surface of the elastic headgear to obtain position data of the fluorescent sheet.

For example, the rotary table can be controlled to rotate to multiple angles in steps. When the rotation reaches each step angle, the three-dimensional scanning device can be controlled to scan the fluorescent sheets arranged on the surface of the elastic headgear, and the position of these fluorescent sheets can be checked by the three-dimensional scanning device. The data changes are tracked, thereby generating the three-dimensional space lattice position data of the human head, that is, the position data of the fluorescent sheet.

230. Perform a three-dimensional modeling calculation on the position data of the fluorescent sheet to obtain three-dimensional head shape data.

For example, three-dimensional head shape data can be obtained by performing three-dimensional modeling on the collected position data of the fluorescent sheet through a pre-built three-dimensional modeling model.

In practical application scenarios, the position data of the fluorescent sheet collected by the 3D scanning device can be transmitted to the mobile communication device through the data line, for example, the 3D modeling processing is performed on the mobile phone to obtain the 3D head shape data. The mobile phone here has built-in 3D modeling software for 3D modeling calculation in advance.

In order to cooperate with the execution of the above method for obtaining 3D head shape data, an embodiment of the present invention provides a device for obtaining 3D head shape data. As shown in FIG. 3 , the device includes:

The rotation control module 310 is used to control the rotating table to rotate once when the elastic headgear is worn on the head of the human body and placed on the rotating table;

The scanning control module 320 is configured to control the three-dimensional scanning device to scan the fluorescent sheet disposed on the surface of the elastic headgear when the rotary table rotates to a specified angle, so as to obtain the position data of the fluorescent sheet;

The data calculation module 330 is used for performing three-dimensional modeling calculation on the position data of the fluorescent sheet to obtain three-dimensional head shape data.

In a specific embodiment, the rotation control module 310 is used to control the rotation of the rotary table for at least one rotation.

Further, this embodiment also provides a controller for executing the above method for acquiring 3D head shape data.

An auxiliary device, method, device, and controller for acquiring three-dimensional head shape data provided by the embodiments of the present invention, wherein the auxiliary device includes: an elastic headgear, a plurality of fluorescent sheets disposed on the surface of the elastic headgear, and a rotating table; Wearing an elastic headgear and rotating it to different angles on the rotating table to reflect the head shape information through the position changes of multiple fluorescent sheets; in this way, the fluorescent sheets arranged on the surface of the elastic headgear are scanned by a three-dimensional scanning device to obtain fluorescent sheets. The position data is obtained, and then the three-dimensional modeling calculation is performed on the position data, and the three-dimensional head shape data can be obtained, and high data accuracy can be guaranteed.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not limiting of the present application.

It can be understood that, the same or similar parts in the above embodiments may refer to each other, and the content not described in detail in some embodiments may refer to the same or similar content in other embodiments.

It should be noted that, in the description of the present application, the terms "first", "second" and the like are only used for the purpose of description, and should not be construed as indicating or implying relative importance. Also, in the description of this application, unless otherwise specified, the meaning of "plurality" means at least two.

Any description of a process or method in the flowcharts or otherwise described herein may be understood to represent a module, segment or portion of code comprising one or more executable instructions for implementing a particular logical function or step of the process , and the scope of the preferred embodiments of the present application includes alternative implementations in which the functions may be performed out of the order shown or discussed, including performing the functions substantially concurrently or in the reverse order depending upon the functions involved, which should It is understood by those skilled in the art to which the embodiments of the present application belong.

It should be understood that various parts of this application may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, it can be implemented by any one or a combination of the following techniques known in the art: Discrete logic circuits, application specific integrated circuits with suitable combinational logic gates, Programmable Gate Arrays (PGA), Field Programmable Gate Arrays (FPGA), etc.

Those skilled in the art can understand that all or part of the steps carried by the methods of the above embodiments can be completed by instructing the relevant hardware through a program, and the program can be stored in a computer-readable storage medium, and the program can be stored in a computer-readable storage medium. When executed, one or a combination of the steps of the method embodiment is included.

In addition, each functional unit in each embodiment of the present application may be integrated into one processing module, or each unit may exist physically alone, or two or more units may be integrated into one module. The above-mentioned integrated modules can be implemented in the form of hardware, and can also be implemented in the form of software function modules. If the integrated modules are implemented in the form of software functional modules and sold or used as independent products, they may also be stored in a computer-readable storage medium.

The above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, and the like.

In the description of this specification, description with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples", etc., mean specific features described in connection with the embodiment or example , structure, material or feature is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limitations to the present application. Embodiments are subject to variations, modifications, substitutions and variations.

Claims (10)

1. An auxiliary device for acquiring three-dimensional head shape data, comprising: an elastic headgear, a plurality of fluorescent sheets arranged on the surface of the elastic headgear, and a rotary table; The elastic headgear is worn on the head of a human body and rotated to different angles on the rotating table, so as to reflect the head shape information through the positional changes of the plurality of fluorescent sheets. 2. The auxiliary device for obtaining three-dimensional head shape data according to claim 1, further comprising: The three-dimensional scanning device is used for scanning the fluorescent sheet disposed on the surface of the elastic headgear when the elastic headgear is worn on the head of a human body and rotated on the rotating table to obtain the position data of the fluorescent sheet. 3. The auxiliary device for obtaining three-dimensional head shape data according to claim 2, further comprising: A data processing terminal, connected with the three-dimensional scanning device, is used for acquiring the position data of the fluorescent sheet from the three-dimensional scanning device, and performing three-dimensional modeling calculation on it to obtain three-dimensional head shape data. 4 . The auxiliary device for acquiring 3D head shape data according to claim 3 , wherein the data processing terminal is a mobile communication device with built-in 3D modeling software for 3D modeling calculation. 5 . 5 . The auxiliary device for acquiring 3D head shape data according to claim 4 , wherein the mobile communication device and the 3D scanning device are connected by a data cable. 6 . 6. A method for obtaining three-dimensional head shape data, applicable to the auxiliary device for obtaining three-dimensional head shape data according to claim 5, characterized in that, comprising: When the human head wears an elastic headgear and is placed on the rotary table, control the rotation of the rotary table; When the rotary table rotates to a specified angle, control the three-dimensional scanning device to scan the fluorescent sheet arranged on the surface of the elastic headgear, and obtain the position data of the fluorescent sheet; Three-dimensional modeling calculation is performed on the position data of the fluorescent sheet to obtain three-dimensional head shape data. 7. The method for acquiring three-dimensional head shape data according to claim 6, wherein when the human head wears an elastic headgear and is placed on a rotating table, controlling the rotation of the rotating table comprises: The rotary table is controlled to rotate at least once. 8. A device for obtaining three-dimensional head shape data, suitable for the auxiliary device for obtaining three-dimensional head shape data according to claim 5, characterized in that, comprising: The rotation control module is used to control the rotating table to rotate once when the elastic headgear is worn on the head of the human body and is placed on the rotating table; a scanning control module, configured to control the three-dimensional scanning device to scan the fluorescent sheet disposed on the surface of the elastic headgear when the rotary table rotates to a specified angle, and obtain the position data of the fluorescent sheet; The data calculation module is used for performing three-dimensional modeling calculation on the position data of the fluorescent sheet to obtain three-dimensional head shape data. 9 . The apparatus for acquiring three-dimensional head shape data according to claim 8 , wherein the rotation control module is configured to control the rotation table to rotate at least once. 10 . 10. A controller, characterized by being used for executing the method for acquiring three-dimensional head shape data according to claim 6 or 7.

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