Method, device and equipment for obtaining brightness uniformity compensation data, and storage medium

Abstract

The application discloses a kind of brightness uniformity compensation data acquisition method, device, equipment and computer readable storage medium, it is related to display technical field, the method comprises: the imaging luminance data of test display module is acquired;Wherein, imaging luminance data includes the luminance data corresponding to the entire display area of test display module that imaging luminometer is collected when test display module displays preset picture, preset picture is the picture of preset color of preset gray value;According to imaging luminance data and compensation target luminance, obtain luminance compensation data;According to luminance compensation data, obtain gray scale compensation data;According to gray scale compensation data and preset gray value, obtain the luminance uniformity compensation data corresponding to preset color;The imaging luminance data of display module that the present application utilizes imaging luminometer collection, compensation data for compensating to display module is calculated, so that the display luminance of display module can reach more balanced effect, improve user experience.

Description

Technical Field

[0001] This invention relates to the field of display technology, and in particular to a method, apparatus, device, and computer-readable storage medium for acquiring brightness uniformity compensation data. Background Technology

[0002] With the rise of head-mounted display devices such as AR (Augmented Reality) and VR (Virtual Reality) devices in recent years, virtual reality and augmented display have gradually entered people's lives. Users can hear and see extremely realistic scenes and interact with them through head-mounted display devices, greatly enhancing the sense of immersion.

[0003] In existing technologies, to make head-mounted displays smaller, lighter, and more portable, thinner optical modules have become the choice of various manufacturers, with optical waveguides being the most competitive solution. However, due to design and manufacturing limitations, the brightness of the display area in current optical waveguide display modules is uneven, such as... Figure 1 The brightness uniformity shown is approximately 50%, resulting in a poor user experience.

[0004] Therefore, how to improve the brightness uniformity of the display module, so that the display brightness of the display module can achieve a more balanced effect and improve the user experience, is an urgent problem to be solved. Summary of the Invention

[0005] The purpose of this invention is to provide a method, apparatus, device, and storage medium for acquiring brightness uniformity compensation data, so as to improve the brightness uniformity of the display module, make the display brightness of the display module more balanced, and improve the user experience.

[0006] To solve the above-mentioned technical problems, the present invention provides a method for acquiring brightness uniformity compensation data, comprising:

[0007] Acquire imaging brightness data of the test display module; wherein, the imaging brightness data includes brightness data of the entire display area of ​​the test display module collected by the imaging brightness meter when the test display module displays a preset image, and the preset image is an image of a preset color with a preset grayscale value;

[0008] Based on the imaging brightness data and the brightness of the target to be compensated, brightness compensation data is obtained;

[0009] Based on the brightness compensation data, grayscale compensation data is obtained;

[0010] Based on the grayscale compensation data and the preset grayscale value, the brightness uniformity compensation data corresponding to the preset color is obtained.

[0011] Optionally, obtaining brightness compensation data based on the imaging brightness data and the compensation target brightness includes:

[0012] Based on the imaging brightness data, obtain the projection brightness data of the display area;

[0013] The brightness compensation data is generated based on the projected brightness data and the target brightness for compensation.

[0014] Optionally, obtaining the projection brightness data of the display area based on the imaging brightness data includes:

[0015] Generate a grayscale image corresponding to the imaging brightness data;

[0016] The grayscale image is processed to obtain the grayscale image region corresponding to the display area;

[0017] Generate projection transformation data corresponding to the grayscale image region;

[0018] Based on the projection transformation data, the projection brightness data of the display area is reconstructed from the imaging brightness data.

[0019] Optionally, before generating the brightness compensation data based on the projected brightness data and the target brightness, the method further includes:

[0020] The compensated target brightness is generated based on the projected brightness data.

[0021] Optionally, generating the compensated target brightness based on the projected brightness data includes:

[0022] The projection brightness data is normalized to obtain normalized data;

[0023] Based on the normalized data, the projection brightness data is divided into a preset number of brightness intervals;

[0024] A target brightness range is determined based on the projected brightness data in each of the brightness ranges; wherein, the target brightness range is any one of the brightness ranges.

[0025] The brightness value corresponding to the target brightness range is obtained and determined as the compensation target brightness.

[0026] Optionally, when the preset quantity is 10, determining the target brightness range based on the projected brightness data in each brightness range includes:

[0027] pass Calculate the brightness change corresponding to each of the aforementioned brightness intervals; where L(i) is the brightness change corresponding to the i-th brightness interval, and w jLet a(i) be the number of projected brightness data in the j-th brightness interval, and let a(i) be the brightness value corresponding to the ith brightness interval.

[0028] The brightness range with the smallest brightness change is determined as the target brightness range.

[0029] Optionally, acquiring the imaging brightness data of the test display module includes:

[0030] The test display module in the device under test is controlled to display the preset image;

[0031] The imaging brightness meter is controlled to capture images of the test display module and obtain the imaging brightness data.

[0032] The present invention also provides a device for acquiring brightness uniformity compensation data, comprising:

[0033] The data acquisition module is used to acquire the imaging brightness data of the test display module; wherein, the imaging brightness data includes the brightness data of the entire display area of ​​the test display module collected by the imaging brightness meter when the test display module displays a preset image, and the preset image is an image of a preset color with a preset grayscale value;

[0034] A brightness calculation module is used to obtain brightness compensation data based on the imaging brightness data and the brightness of the compensation target;

[0035] The grayscale calculation module is used to obtain grayscale compensation data based on the brightness compensation data;

[0036] The compensation calculation module is used to obtain the brightness uniformity compensation data corresponding to the preset color based on the grayscale compensation data and the preset grayscale value.

[0037] The present invention also provides a device for acquiring brightness uniformity compensation data, comprising:

[0038] Memory, used to store computer programs;

[0039] A processor is configured to execute the computer program to implement the steps of the method for acquiring brightness uniformity compensation data as described above.

[0040] In addition, the present invention provides a computer-readable storage medium storing a computer program, which, when executed by a processor, implements the steps of the method for acquiring brightness uniformity compensation data as described above.

[0041] The present invention provides a method for obtaining brightness uniformity compensation data, comprising: obtaining imaging brightness data of a test display module; wherein, the imaging brightness data includes brightness data corresponding to the entire display area of ​​the test display module collected by an imaging brightness meter when the test display module displays a preset image, and the preset image is an image of a preset color with a preset grayscale value; obtaining brightness compensation data based on the imaging brightness data and the target brightness to be compensated; obtaining grayscale compensation data based on the brightness compensation data; and obtaining brightness uniformity compensation data corresponding to the preset color based on the grayscale compensation data and the preset grayscale value.

[0042] As can be seen, this invention utilizes the imaging brightness data of the display module collected by an imaging luminance meter to calculate brightness uniformity compensation data for the display module, enabling a more balanced display brightness, improving brightness uniformity, and enhancing user experience. Furthermore, this invention also provides a device, apparatus, and computer-readable storage medium for acquiring brightness uniformity compensation data, which also possess the aforementioned beneficial effects. Attached Figure Description

[0043] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0044] Figure 1 This is a diagram illustrating the display area of ​​a display module in the prior art.

[0045] Figure 2 A flowchart illustrating a method for acquiring brightness uniformity compensation data provided in an embodiment of the present invention;

[0046] Figure 3 A schematic diagram of a test scenario for another method of obtaining brightness uniformity compensation data provided in an embodiment of the present invention;

[0047] Figure 4 A schematic diagram of imaging brightness data for another method of obtaining brightness uniformity compensation data provided in an embodiment of the present invention;

[0048] Figure 5 A schematic diagram illustrating the projection transformation principle of another method for obtaining brightness uniformity compensation data provided in an embodiment of the present invention;

[0049] Figure 6 This is a schematic diagram of the projection transformation result of another method for obtaining brightness uniformity compensation data provided in an embodiment of the present invention;

[0050] Figure 7 A schematic diagram of the brightness distribution of another method for obtaining brightness uniformity compensation data provided in an embodiment of the present invention;

[0051] Figure 8 This is a structural block diagram of a device for acquiring brightness uniformity compensation data provided in an embodiment of the present invention. Detailed Implementation

[0052] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0053] Please refer to Figure 2 , Figure 2 This is a flowchart illustrating a method for acquiring brightness uniformity compensation data according to an embodiment of the present invention. The method may include:

[0054] Step 101: Obtain the imaging brightness data of the test display module; wherein, the imaging brightness data includes the brightness data of the entire display area of ​​the test display module collected by the imaging brightness meter when the test display module displays a preset image, and the preset image is an image of a preset color with a preset grayscale value.

[0055] It is understood that the test display module in this embodiment can be the display module in the device under test (such as a head-mounted display device), that is, the display module that needs to be tested and calibrated. The imaging brightness data in this step can be from an imaging brightness meter (such as...) Figure 3 The brightness data of the test display module is captured by the L29 imaging luminance meter. The imaging brightness data can include the brightness data of the entire display area of ​​the test display module when the test display module displays a preset image.

[0056] Correspondingly, the specific content of the preset image in this embodiment, namely the specific settings of the preset color and preset grayscale value, can be set by the designer according to the practical scenario and user needs. For example, the preset image can be a pure green image with a grayscale value of 200, so as to use the brightness uniformity compensation data corresponding to green to calibrate the green channel data of the pixels of the image to be displayed by the display module; the preset image can also be an image of other colors with other grayscale values ​​(such as red or blue). This embodiment does not impose any restrictions on this.

[0057] Specifically, the method by which the processor acquires the imaging brightness data of the test display module in this step can be set by the designer according to the practical scenario and user needs. For example, the processor can receive imaging brightness data collected by an imaging brightness meter; for instance, the processor can first control the test display module in the device under test to display a preset image; then control the imaging brightness meter to photograph the test display module and obtain the imaging brightness data. Figure 3 As shown, a computer (PC) can be connected to both an L29 imaging luminance meter (L29 Camera) and the device under test (DUT) in the optical darkroom. The computer's processor can control the DUT to play preset images and simultaneously control the L29 imaging luminance meter to capture images of the DUT's display module, obtaining luminance data of the display area. For example, when controlling the DUT to play a pure green image with a grayscale value of 200, the computer controls the L29 imaging luminance meter to image the DUT's display area and displays the image of the L29 imaging luminance meter's image area as shown. Figure 4 The brightness value matrix shown (i.e., the raw brightness data) is sent back to the computer as image brightness data. The processor can also directly receive image brightness data sent by the user terminal device or read image brightness data from the storage device. This embodiment does not impose any limitations on this, as long as the processor can obtain the image brightness data of the test display module.

[0058] Step 102: Obtain brightness compensation data based on the imaging brightness data and the brightness of the target to be compensated.

[0059] In this step, the target brightness for compensation can be the target brightness corresponding to the preset color displayed by the test display module, i.e., the target brightness to be achieved after compensation. In this step, the processor can use the imaging brightness data and the target brightness for compensation to calculate the brightness compensation data required to compensate the brightness of each pixel in the imaging brightness data to the target brightness.

[0060] Specifically, the method by which the processor obtains brightness compensation data based on the imaging brightness data and the target brightness in this step can be set by the designer. For example, the processor can first obtain the projected brightness data of the display area based on the imaging brightness data, so that the shape of the area corresponding to the projected brightness data corresponds to the shape of the display area; then, based on the projected brightness data and the target brightness, it generates brightness compensation data, such as subtracting the brightness of each pixel in the projected brightness data from the target brightness to obtain a set (such as a matrix) of differences between the target brightness and the brightness of each pixel as brightness compensation data. Correspondingly, the imaging brightness data only includes the brightness data of the entire display area, and the shape of the area corresponding to the imaging brightness data corresponds to the shape of the display area. For example, when the imaging brightness meter captures the brightness data of the entire display area of ​​the test display module directly in front of the display area, the processor can directly use the imaging brightness data and the target brightness to generate brightness compensation data, such as directly subtracting the brightness of each pixel in the imaging brightness data from the target brightness to obtain a set (such as a matrix) of differences between the target brightness and the brightness of each pixel as brightness compensation data. This embodiment does not impose any limitations on this.

[0061] Correspondingly, the specific method for obtaining the projection brightness data of the display area based on the imaging brightness data can be set by the designer according to the practical scenario and user needs. For example, if the imaging brightness data also includes brightness data outside the display area, the processor can generate a grayscale image corresponding to the imaging brightness data; perform image processing on the grayscale image to obtain the grayscale region corresponding to the display area; generate projection transformation data corresponding to the grayscale region; and reconstruct the projection brightness data of the display area from the imaging brightness data based on the projection transformation data. For instance, the processor can use the imaging brightness data to reconstruct the grayscale image of the imaging brightness meter's imaging area; perform image processing on the grayscale image to crop out the grayscale image of the display area of ​​the test display module (i.e., the grayscale region); and use the grayscale region to obtain the projection transformation data that reconstructs the shape of the display area, such as... Figure 5 The projection transformation matrix of the rectangular display area; using the projection transformation data, the projection brightness data of the display area can be reconstructed from the imaging brightness data, such as... Figure 6 A matrix of brightness values ​​for the rectangular display area.

[0062] Correspondingly, the specific brightness value setting for the compensation target brightness in this step can be set by the designer according to the practical scenario and user needs. For example, the compensation target brightness can be a pre-set fixed brightness value. Alternatively, the compensation target brightness can be an adaptively generated brightness value based on the imaging brightness data; that is, the processor can automatically select a suitable compensation target brightness based on the brightness data of the display area. For instance, the processor can generate the compensation target brightness based on the projection brightness data of the display area corresponding to the imaging brightness data. This embodiment does not impose any limitations on this.

[0063] It should be noted that the method provided in this embodiment may also include a process for obtaining the compensation target brightness. For example, when the processor generates the compensation target brightness using the projection brightness data of the display area, the processor can divide the brightness of each pixel in the projection brightness data into a preset brightness interval; select a target brightness interval based on the number of pixel brightness in each brightness interval; and determine the brightness value corresponding to the target brightness interval (such as the median value of the target brightness interval) as the compensation target brightness. For example, the processor can normalize the projection brightness data to obtain normalized data; divide the projection brightness data into a preset number of brightness intervals based on the normalized data; determine the target brightness interval based on the projection brightness data in each brightness interval; wherein, the target brightness interval is any brightness interval; and obtain and determine the brightness value corresponding to the target brightness interval as the compensation target brightness.

[0064] Specifically, the processor can normalize the projected brightness data to [0,1], and then divide it into 10 (i.e., a preset number) brightness intervals to statistically analyze the brightness distribution of each interval, such as... Figure 7 The brightness distribution of the brightness values ​​0-255 at 200 gray levels is divided into 10 brightness intervals. The following formula is used to find a suitable brightness interval with a corresponding brightness value that minimizes the amount of brightness change L(i) required to compensate the brightness of all pixels to that brightness value.

[0065]

[0066] In the above formula, L(i) represents the brightness change corresponding to the i-th brightness interval; w j denoted as the number of projected brightness data within the j-th brightness interval, i.e., the number of pixel brightness; a(i) is the brightness value corresponding to the i-th brightness interval, such as the median or average value of the brightness interval, or the average value of pixel brightness within the brightness interval.

[0067] In other words, determining the target brightness range based on the projected brightness data in each brightness range can include: through Calculate the brightness change for each brightness interval; determine the brightness interval with the smallest brightness change as the target brightness interval.

[0068] Step 103: Obtain grayscale compensation data based on brightness compensation data.

[0069] It is understood that the processor can calculate the grayscale compensation data corresponding to the brightness compensation data in this step. The specific method by which the grayscale compensation data is obtained from the brightness compensation data in this step can be set by the designer according to the practical scenario and user needs. For example, the processor can use a pre-set correspondence between brightness and grayscale, such as a grayscale-brightness curve, to calculate the grayscale compensation value matrix (i.e., grayscale compensation data) of the display area corresponding to the brightness compensation value matrix (i.e., brightness compensation data). This embodiment does not impose any restrictions on this as long as the processor can use the brightness compensation data to obtain the corresponding grayscale compensation data.

[0070] Step 104: Based on the grayscale compensation data and the preset grayscale value, obtain the brightness uniformity compensation data corresponding to the preset color.

[0071] In this step, the processor can calculate the brightness uniformity compensation data corresponding to the preset color based on the obtained grayscale compensation data and the grayscale value of the preset image displayed by the test display module (i.e., the preset grayscale value). Then, the brightness uniformity compensation data is used to compensate and calibrate the brightness of the content displayed by the test display module, so that the brightness of the compensated image is more uniform.

[0072] Specifically, the method by which the processor obtains the brightness uniformity compensation data corresponding to the preset color based on the grayscale compensation data and the preset grayscale value in this step can be set by the designer according to the practical scenario and user needs. For example, the processor can divide the grayscale of each pixel in the grayscale compensation data by the preset grayscale value to obtain the set (such as a matrix) of the quotients of each pixel grayscale and the preset grayscale value as the brightness uniformity compensation data; for example, the processor can divide the grayscale compensation value matrix (i.e., grayscale compensation data) of the display area by the preset grayscale value (such as 200) to obtain the final compensation value matrix (i.e., brightness uniformity compensation data).

[0073] Furthermore, the method provided in this embodiment may also include: sending brightness uniformity compensation data to the device under test so that the device under test can use the brightness uniformity compensation data to compensate the image pixels displayed on the test display module. For example, each frame of image pixels that needs to be displayed on the test display module is multiplied by the corresponding compensation value in the brightness uniformity compensation data. For example, the preset color channel data of each image pixel is multiplied by the compensation value at the corresponding position of the compensation value matrix (i.e., brightness uniformity compensation data) to improve the display effect.

[0074] In this embodiment, the present invention utilizes the imaging brightness data of the display module collected by the imaging brightness meter to calculate the brightness uniformity compensation data for the display module, so that the display brightness of the display module can achieve a more balanced effect, improve the brightness uniformity of the display module, and enhance the user experience.

[0075] Corresponding to the above method embodiments, this invention also provides a device for acquiring brightness uniformity compensation data. The device for acquiring brightness uniformity compensation data described below and the method for acquiring brightness uniformity compensation data described above can be referred to in correspondence.

[0076] Please refer to Figure 8 , Figure 8 This is a structural block diagram of a device for acquiring brightness uniformity compensation data according to an embodiment of the present invention. The device may include:

[0077] The data acquisition module 10 is used to acquire the imaging brightness data of the test display module; wherein, the imaging brightness data includes the brightness data of the entire display area of ​​the test display module collected by the imaging brightness meter when the test display module displays a preset image, and the preset image is an image of a preset color with a preset grayscale value.

[0078] The brightness calculation module 20 is used to obtain brightness compensation data based on the imaging brightness data and the brightness of the compensation target;

[0079] The grayscale calculation module 30 is used to obtain grayscale compensation data based on the brightness compensation data;

[0080] The compensation calculation module 40 is used to obtain the brightness uniformity compensation data corresponding to the preset color based on the grayscale compensation data and the preset grayscale value.

[0081] Optionally, the brightness calculation module 20 may include:

[0082] The projection submodule is used to obtain the projection brightness data of the display area based on the imaging brightness data;

[0083] The generation submodule is used to generate brightness compensation data based on the projected brightness data and the target brightness to be compensated.

[0084] Optionally, the projection submodule may include:

[0085] The grayscale image generation unit is used to generate grayscale images corresponding to the imaging brightness data;

[0086] The region cropping unit is used to process the grayscale image to obtain the grayscale image region corresponding to the display area.

[0087] The projection transformation unit is used to generate projection transformation data corresponding to the grayscale image area;

[0088] The restoration unit is used to restore the projection brightness data of the display area from the imaging brightness data based on the projection transformation data.

[0089] Optionally, the brightness calculation module 20 may also include:

[0090] The target generation submodule is used to generate compensated target brightness based on the projected brightness data.

[0091] Optionally, the target generation submodule may include:

[0092] The normalization unit is used to normalize the projection brightness data to obtain normalized data;

[0093] The interval division unit is used to divide the projected brightness data into a preset number of brightness intervals based on the normalized data.

[0094] The interval determination unit is used to determine the target brightness interval based on the projected brightness data in each brightness interval; wherein, the target brightness interval is any brightness interval.

[0095] The compensation determination unit is used to acquire and determine the brightness value corresponding to the target brightness range as the compensation target brightness.

[0096] Optionally, when the preset quantity is 10, the interval determination unit may include:

[0097] The change calculation subunit is used to calculate the change amount. Calculate the brightness change for each brightness interval; where L(i) is the brightness change for the i-th brightness interval, and w j Let a(i) be the number of projected brightness data in the j-th brightness interval, and let a(i) be the brightness value corresponding to the ith brightness interval.

[0098] The sub-unit is determined to identify the brightness range with the smallest brightness variation as the target brightness range.

[0099] Optionally, the data acquisition module 10 may include:

[0100] The display control submodule is used to control the test display module in the device under test to display preset images.

[0101] The acquisition and control submodule is used to control the imaging brightness meter to capture images of the test display module and obtain imaging brightness data.

[0102] In this embodiment, the present invention utilizes the imaging brightness data of the display module collected by the imaging brightness meter to calculate the brightness uniformity compensation data for the display module, so that the display brightness of the display module can achieve a more balanced effect, improve the brightness uniformity of the display module, and enhance the user experience.

[0103] Corresponding to the above method embodiments, this invention also provides a device for acquiring brightness uniformity compensation data. The device for acquiring brightness uniformity compensation data described below and the method for acquiring brightness uniformity compensation data described above can be referred to in correspondence.

[0104] This invention provides a device for acquiring brightness uniformity compensation data, comprising:

[0105] Memory, used to store computer programs;

[0106] A processor is configured to execute a computer program to implement the steps of the method for acquiring brightness uniformity compensation data as provided in the above embodiments.

[0107] Specifically, the device for acquiring brightness uniformity compensation data provided in this embodiment can be a computer or server, such as a computer connected to the device under test (e.g., a head-mounted display device) and an imaging brightness meter.

[0108] Corresponding to the above method embodiments, this invention also provides a computer-readable storage medium. The computer-readable storage medium described below and the method for obtaining brightness uniformity compensation data described above can be referred to in correspondence.

[0109] This invention provides a computer-readable storage medium storing a computer program. When the computer program is executed by a processor, it implements the steps of the brightness uniformity compensation data acquisition method provided in the above-described method embodiments.

[0110] The computer-readable storage medium can specifically be a USB flash drive, a portable hard drive, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, or any other readable storage medium capable of storing program code.

[0111] In addition, the present invention provides a computer-readable storage medium storing a computer program, which, when executed by a processor, implements the steps of the method for acquiring brightness uniformity compensation data as described above.

[0112] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to in the method section.

[0113] The present invention has provided a detailed description of a method, apparatus, device, and computer-readable storage medium for acquiring brightness uniformity compensation data. Specific examples have been used to illustrate the principles and implementation methods of the invention. The descriptions of these embodiments are merely illustrative of the method and its core ideas. It should be noted that those skilled in the art can make various improvements and modifications to the invention without departing from its principles, and these improvements and modifications also fall within the scope of protection of the claims.

Claims

1. A method for acquiring brightness uniformity compensation data, characterized in that, include: Acquire imaging brightness data of the test display module; wherein, the imaging brightness data includes brightness data of the entire display area of ​​the test display module collected by the imaging brightness meter when the test display module displays a preset image, and the preset image is an image of a preset color with a preset grayscale value; Based on the imaging brightness data, obtain the projection brightness data of the display area; Based on the projected brightness data and the target brightness for compensation, brightness compensation data is generated; Based on the brightness compensation data, grayscale compensation data is obtained; Based on the grayscale compensation data and the preset grayscale value, the brightness uniformity compensation data corresponding to the preset color is obtained; The compensation target brightness is defined as using the brightness value corresponding to the target brightness range as the compensation target brightness, through... Calculate the brightness change for each brightness interval; determine the brightness interval with the smallest brightness change as the target brightness interval; wherein... For the first The amount of brightness change corresponding to each brightness range For the first The number of projected brightness data within each brightness range For the first The brightness values ​​corresponding to each brightness range.

2. The method for obtaining brightness uniformity compensation data according to claim 1, characterized in that, The step of obtaining the projection brightness data of the display area based on the imaging brightness data includes: Generate a grayscale image corresponding to the imaging brightness data; The grayscale image is processed to obtain the grayscale image region corresponding to the display area; Generate projection transformation data corresponding to the grayscale image region; Based on the projection transformation data, the projection brightness data of the display area is reconstructed from the imaging brightness data.

3. The method for acquiring brightness uniformity compensation data according to claim 1, characterized in that, Before generating the brightness compensation data based on the projected brightness data and the target brightness, the method further includes: The compensated target brightness is generated based on the projected brightness data.

4. The method for acquiring brightness uniformity compensation data according to claim 3, characterized in that, The step of generating the compensated target brightness based on the projected brightness data includes: The projection brightness data is normalized to obtain normalized data; Based on the normalized data, the projection brightness data is divided into a preset number of brightness intervals; A target brightness range is determined based on the projected brightness data in each of the brightness ranges; wherein, the target brightness range is any one of the brightness ranges. The brightness value corresponding to the target brightness range is obtained and determined as the compensation target brightness.

5. The method for obtaining brightness uniformity compensation data according to claim 1, characterized in that, The acquisition of imaging brightness data of the test display module includes: The test display module in the device under test is controlled to display the preset image; The imaging brightness meter is controlled to capture images of the test display module and obtain the imaging brightness data.

6. A device for acquiring brightness uniformity compensation data, characterized in that, include: The data acquisition module is used to acquire the imaging brightness data of the test display module; wherein, the imaging brightness data includes the brightness data of the entire display area of ​​the test display module collected by the imaging brightness meter when the test display module displays a preset image, and the preset image is an image of a preset color with a preset grayscale value; A brightness calculation module is used to obtain brightness compensation data based on the imaging brightness data and the brightness of the compensation target; The grayscale calculation module is used to obtain grayscale compensation data based on the brightness compensation data; The compensation calculation module is used to obtain the brightness uniformity compensation data corresponding to the preset color based on the grayscale compensation data and the preset grayscale value. The brightness calculation module includes: The projection submodule is used to obtain the projection brightness data of the display area based on the imaging brightness data; A generation submodule is used to generate brightness compensation data based on the projected brightness data and the target brightness for compensation; wherein, the target brightness for compensation is the brightness value corresponding to the target brightness range as the target brightness for compensation, through... Calculate the brightness change for each brightness interval; determine the brightness interval with the smallest brightness change as the target brightness interval; wherein... For the first The amount of brightness change corresponding to each brightness range For the first The number of projected brightness data within each brightness range For the first The brightness values ​​corresponding to each brightness range.

7. A device for acquiring brightness uniformity compensation data, characterized in that, include: Memory, used to store computer programs; A processor, configured to execute the computer program to implement the steps of the method for acquiring brightness uniformity compensation data as described in any one of claims 1 to 5.

8. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a computer program that, when executed by a processor, implements the steps of the method for acquiring brightness uniformity compensation data as described in any one of claims 1 to 5.

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