CN-121982980-A - Brightness compensation method, brightness compensation device, computer equipment and storage medium

Abstract

The invention discloses a brightness compensation method, a device, computer equipment and a storage medium, which comprise the steps of measuring the brightness of a display to obtain first brightness data, shooting the display through image pickup equipment to obtain a picture to be compensated, calculating the brightness of the picture to be compensated to obtain second brightness data, calculating a compensation coefficient according to the second brightness data and the first brightness data, and compensating the second brightness data according to the compensation coefficient. The invention can carry out brightness compensation on the compensation picture shot by the image pickup equipment so as to compensate errors caused by shooting angles.

Inventors

• HU FENG
• ZENG JIE
• XIAO WEIHUA
• SHANG WENHAO

Assignees

• 深圳市康冠商用科技有限公司

Dates

Publication Date

20260505

Application Date

20241030

Claims (10)

1. 1. A method of brightness compensation, the method comprising: Measuring the brightness of the display to obtain first brightness data; Shooting the display through the image pickup equipment to obtain a picture to be compensated, and calculating the brightness of the picture to be compensated to obtain second brightness data; And calculating a compensation coefficient according to the second brightness data and the first brightness data, and compensating the second brightness data according to the compensation coefficient.
2. 2. The method of claim 1, wherein the step of measuring the brightness of the display to obtain the first brightness data comprises: Controlling the display to generate a pure-color grid picture; the brightness of each grid in the solid-color grid screen is calculated to obtain the first brightness data.
3. 3. The method of claim 2, wherein the step of controlling the display to generate a solid-color grid image comprises: controlling the display to generate a pure-color picture; generating a plurality of solid color lattices of opposite colors to the solid color picture in the solid color picture, and calculating the brightness of each solid color lattice to obtain the first brightness data.
4. 4. The method of claim 2, wherein after the step of calculating the brightness of each of the solid-color lattices to obtain the first brightness data, further comprises: and confirming the position information and the area information of each grid.
5. 5. A method according to claim 3, wherein the step of photographing the display by an image pickup apparatus to obtain a picture to be compensated and calculating the brightness of the picture to be compensated to obtain second brightness data comprises: Shooting the pure-color grid picture through the image pickup equipment to obtain the picture to be compensated; and calculating the brightness of each solid-color grid in the picture to be compensated to obtain the second brightness data.
6. 6. The method of claim 5, wherein the step of calculating a compensation coefficient from the second luminance data and the first luminance data comprises: Obtaining a brightness value of each grid in the first brightness data to obtain a first brightness value, and obtaining a brightness value of each partition in the second brightness data to obtain a second brightness value; Dividing each first luminance value by a respective second luminance value to obtain a plurality of said compensation coefficients, wherein one of said partitions corresponds to one of said compensation coefficients.
7. 7. The method of claim 1, wherein the step of compensating the second luminance data according to the compensation coefficient comprises: Multiplying each brightness value in the second brightness data by a corresponding compensation coefficient to realize compensation of the second brightness data.
8. 8. A brightness compensation device, the device comprising: a first measurement unit for measuring the brightness of the display to obtain first brightness data; a first calculating unit for shooting the display through the image pickup device to obtain a picture to be compensated, and calculating the brightness of the picture to be compensated to obtain second brightness data; And the first compensation unit is used for calculating a compensation coefficient according to the second brightness data and the first brightness data and compensating the second brightness data according to the compensation coefficient.
9. 9. A computer device, characterized in that the computer device comprises a memory for storing a computer program and a processor connected to the memory for running the computer program stored in the memory for performing the steps of the method according to any one of claims 1-7.
10. 10. A computer-readable storage medium, characterized in that the storage medium stores a computer program which, when executed by a processor, implements the steps of the method according to any of claims 1-7.

Description

Brightness compensation method, brightness compensation device, computer equipment and storage medium Technical Field The present invention relates to the field of display devices, and in particular, to a brightness compensation method, apparatus, computer device, and storage medium. Background Brightness uniformity refers to the uniformity of brightness across different areas or locations of a display screen, i.e., the brightness should be uniform without significant brightness differences regardless of which area of the screen the user is looking at. Therefore, luminance uniformity is an important indicator of the display. The display needs to be subjected to brightness uniformity treatment after production is completed so as to improve the brightness uniformity of the display, and the current common treatment method is to shoot a display screen through a camera so as to obtain brightness data, and then process the brightness data so as to ensure the brightness uniformity. However, as the size of the display screen photographed by the camera is larger, the influence of the photographing viewing angle on the brightness is larger, so that the obtained brightness data has a large error, and the brightness uniformity of the display cannot be improved. Disclosure of Invention The embodiment of the invention provides a brightness compensation method, a brightness compensation device, computer equipment and a storage medium, which aim to solve the problem of errors caused by shooting angles when the current image pickup equipment shoots a display. In a first aspect, an embodiment of the present invention provides a brightness compensation method, including: Measuring the brightness of the display to obtain first brightness data; Shooting the display through the image pickup equipment to obtain a picture to be compensated, and calculating the brightness of the picture to be compensated to obtain second brightness data; And calculating a compensation coefficient according to the second brightness data and the first brightness data, and compensating the second brightness data according to the compensation coefficient. In a second aspect, an embodiment of the present invention further provides a brightness compensation device, including: a first measurement unit for measuring the brightness of the display to obtain first brightness data; a first calculating unit for shooting the display through the image pickup device to obtain a picture to be compensated, and calculating the brightness of the picture to be compensated to obtain second brightness data; And the first compensation unit is used for calculating a compensation coefficient according to the second brightness data and the first brightness data and compensating the second brightness data according to the compensation coefficient. In a third aspect, an embodiment of the present invention further provides a computer device, which includes a memory and a processor, where the memory stores a computer program, and the processor implements the method when executing the computer program. In a fourth aspect, embodiments of the present invention also provide a computer readable storage medium storing a computer program which, when executed by a processor, implements the above method. The embodiment of the invention provides a brightness compensation method, a brightness compensation device, computer equipment and a storage medium. The method comprises the steps of measuring the brightness of a display to obtain first brightness data, shooting the display through image shooting equipment to obtain a picture to be compensated, calculating the brightness of the picture to be compensated to obtain second brightness data, calculating a compensation coefficient according to the second brightness data and the first brightness data, and compensating the second brightness data according to the compensation coefficient. According to the embodiment of the invention, the first brightness data can be obtained by measuring the brightness of the display, then the image of the display is shot by the image pickup device to obtain the compensation image, the brightness of the compensation image is calculated to obtain the second brightness data, finally the compensation coefficient is calculated according to the first brightness data and the second brightness data, and then the second brightness data is compensated by the compensation coefficient, so that the brightness of the compensation image shot by the image pickup device is corrected, and the error caused by the shooting visual angle is eliminated. Drawings In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings with