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CN-122024650-A - Image display method, device, equipment and medium

CN122024650ACN 122024650 ACN122024650 ACN 122024650ACN-122024650-A

Abstract

The application discloses an image display method, an image display device, image display equipment and an image display medium, and belongs to the technical field of electronic equipment. The image display method comprises the steps of obtaining a first image, obtaining a three-color channel gray level compensation value corresponding to a first gray level value of each pixel point in the first image, wherein the three-color channel comprises a red channel, a green channel and a blue channel, the three-color channel gray level compensation value is determined according to the tristimulus values of the pixel points of a plurality of gray level images and the tristimulus values of the pixel points of three single color channel images, the three single color channel images comprise a red channel image, a green channel image and a blue channel image, performing gray level compensation on the first image by utilizing the three-color channel gray level compensation value to obtain a second image, and displaying the second image.

Inventors

  • ZHOU MINGFENG

Assignees

  • 维沃移动通信有限公司

Dates

Publication Date
20260512
Application Date
20260318

Claims (14)

  1. 1. An image display method, the method comprising: Acquiring a first image; The method comprises the steps of obtaining a three-color channel gray level compensation value corresponding to a first gray level value of each pixel point in a first image, wherein the three-color channel comprises a red channel, a green channel and a blue channel, the three-color channel gray level compensation value is determined according to tristimulus values of the pixel points of a plurality of gray level images and tristimulus values of the pixel points of three single-color channel images, and the three single-color channel images comprise a red channel image, a green channel image and a blue channel image; Performing gray level compensation on the first image by using the gray level compensation values of the three-color channels to obtain a second image; and displaying the second image.
  2. 2. The method of claim 1, wherein prior to the acquiring the first image, the method further comprises: acquiring the plurality of gray-scale images and the three monochromatic channel images; For a first gray scale image, determining three single-color channel gray scale values of a plurality of pixel points relative to target brightness according to the tristimulus values of the plurality of pixel points of the first gray scale image and the tristimulus values of the plurality of pixel points of the three single-color channel images, wherein the first gray scale image is any one of the plurality of gray scale images; and determining three-color channel gray scale compensation values of the plurality of pixel points relative to the second gray scale values according to the three single-color channel gray scale values and the second gray scale values corresponding to the first gray scale image.
  3. 3. The method of claim 2, wherein determining three monochrome channel gray scale values for the plurality of pixels relative to the target brightness based on the tristimulus values for the plurality of pixels of the first gray scale image and the tristimulus values for the plurality of pixels of the three monochrome channel image comprises: Converting tristimulus values of first pixel points in the three monochromatic channel images into color codes for the first pixel points, wherein the first pixel points are any pixel points in the plurality of pixel points; Determining the relative brightness of three corresponding monochromatic channels of the first pixel point under the second gray scale value according to the tristimulus values of the first pixel point in the first gray scale image and the color scale; Determining target brightness of three monochromatic channels corresponding to the first pixel point under the second gray scale value according to the tristimulus values of the first gray scale image; And determining three monochrome channel gray scale values of the first pixel point relative to the target brightness according to the relative brightness of the three monochrome channels and the second gray scale value.
  4. 4. The method of claim 3, wherein determining the target brightness of the three monochrome channels corresponding to the first pixel point at the second gray scale value according to the tristimulus values of the first gray scale image comprises: Determining an average value of tristimulus values of a plurality of pixel points of the first gray-scale image as a tristimulus target value of the first gray-scale image; And determining the target brightness of three corresponding monochromatic channels of the first pixel point under the second gray scale value according to the three stimulus target values.
  5. 5. The method of claim 2, wherein determining the three-color channel gray scale compensation value for the plurality of pixel points relative to the second gray scale value according to the three single-color channel gray scale values and the second gray scale value corresponding to the first gray scale image comprises: and for a second pixel point, determining a difference value between a first color channel gray scale value of the second pixel point relative to the target brightness and the second gray scale value as a first color channel gray scale compensation value of the second pixel point relative to the second gray scale value, wherein the second pixel point is any one of the plurality of pixel points, and the first color channel gray scale value is any one of the three monochromatic channel gray scale values.
  6. 6. The method of any one of claims 1 to 5, wherein the performing gray-scale compensation on the first image using the three-color channel gray-scale compensation values to obtain a second image comprises: And summing the first brightness value of the first color channel of the third pixel point with the first color channel gray level compensation value to obtain the second brightness value of the first color channel of the third pixel point, wherein the third pixel point is any pixel point in the first image, and the first color channel is any color channel in the three-color channel.
  7. 7. An image display device, the device comprising: the first acquisition module is used for acquiring a first image; The system comprises a first acquisition module, a second acquisition module, a third acquisition module and a fourth acquisition module, wherein the first acquisition module is used for acquiring a first gray level value of each pixel point in the first image, the third acquisition module is used for acquiring a third color channel gray level compensation value corresponding to the first gray level value of each pixel point in the first image, the third color channel comprises a red channel, a green channel and a blue channel, the third color channel gray level compensation value is determined according to tristimulus values of the pixel points of a plurality of gray level images and tristimulus values of the pixel points of three single color channel images, and the three single color channel images comprise a red channel image, a green channel image and a blue channel image; the compensation module is used for carrying out gray-scale compensation on the first image by utilizing the gray-scale compensation values of the three-color channels to obtain a second image; and the display module is used for displaying the second image.
  8. 8. The apparatus of claim 7, wherein the apparatus further comprises: a third acquisition module, configured to acquire the plurality of grayscale images and the three monochrome channel images; The first determining module is used for determining three single-color channel gray scale values of a plurality of pixel points relative to target brightness according to the tristimulus values of the plurality of pixel points of the first gray scale image and the tristimulus values of the plurality of pixel points of the three single-color channel images for the first gray scale image, wherein the first gray scale image is any one of the plurality of gray scale images; And the second determining module is used for determining three-color channel gray scale compensation values of the plurality of pixel points relative to the second gray scale values according to the three single-color channel gray scale values and the second gray scale values corresponding to the first gray scale image.
  9. 9. The apparatus of claim 8, wherein the first determining module comprises: The conversion sub-module is used for converting tristimulus values of the first pixel points in the three monochromatic channel images into color codes for the first pixel points, wherein the first pixel points are any one of the pixel points; The first determining submodule is used for determining the relative brightness of three corresponding monochromatic channels of the first pixel point under the second gray scale value according to the tristimulus values of the first pixel point in the first gray scale image and the color scale; The second determining submodule is used for determining target brightness of three monochromatic channels corresponding to the first pixel point under the second gray scale value according to the tristimulus values of the first gray scale image; And the third determination submodule is used for determining three monochromatic channel gray scale values of the first pixel point relative to the target brightness according to the relative brightness of the three monochromatic channels and the second gray scale value.
  10. 10. The apparatus of claim 9, wherein the second determination submodule is specifically configured to: Determining an average value of tristimulus values of a plurality of pixel points of the first gray-scale image as a tristimulus target value of the first gray-scale image; And determining the target brightness of three corresponding monochromatic channels of the first pixel point under the second gray scale value according to the three stimulus target values.
  11. 11. The apparatus of claim 8, wherein the second determining module is specifically configured to: and for a second pixel point, determining a difference value between a first color channel gray scale value of the second pixel point relative to the target brightness and the second gray scale value as a first color channel gray scale compensation value of the second pixel point relative to the second gray scale value, wherein the second pixel point is any one of the plurality of pixel points, and the first color channel gray scale value is any one of the three monochromatic channel gray scale values.
  12. 12. The apparatus according to any one of claims 7 to 11, wherein the compensation module is specifically configured to: And summing the first brightness value of the first color channel of the third pixel point with the first color channel gray level compensation value to obtain the second brightness value of the first color channel of the third pixel point, wherein the third pixel point is any pixel point in the first image, and the first color channel is any color channel in the three-color channel.
  13. 13. An electronic device comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the image display method of any one of claims 1-6.
  14. 14. A readable storage medium, wherein a program or instructions is stored on the readable storage medium, which when executed by a processor, implements the steps of the image display method according to any one of claims 1-6.

Description

Image display method, device, equipment and medium Technical Field The application belongs to the technical field of electronic equipment, and particularly relates to an image display method, an image display device, image display equipment and an image display medium. Background Active-Matrix Organic Light-emission Diode (AMOLED) displays are affected by factors such as pixel material differences, thickness differences of red (R), green (G) and blue (B) organic light Emitting materials, differences of Thin-Film transistors (TFTs) of driving circuits, and the like, so that brightness differences, chromaticity differences, and the like can occur in all or part of the displays. In the related art, in order to improve the uniformity of brightness and chromaticity of a display screen, the brightness of each pixel point is usually obtained by photographing the display screen with an industrial color or black-and-white camera, and then the compensation values of R, G, B channels are calculated independently by using a display screen brightness unevenness (mura) correction technique (Demura) algorithm, so that the brightness of a monochromatic channel is compensated to the target brightness, thereby improving the uniformity of the brightness and chromaticity of the display screen. However, the compensation effect is poor due to the influence of the displacement of the monochromatic color code by the brightness compensation mode of the monochromatic channel. Disclosure of Invention The embodiment of the application aims to provide an image display method, an image display device and an image display medium, which can solve the problem that the brightness and chromaticity compensation effect of a display screen is poor. In a first aspect, an embodiment of the present application provides an image display method, including: Acquiring a first image; The method comprises the steps of obtaining a three-color channel gray level compensation value corresponding to a first gray level value of each pixel point in a first image, wherein the three-color channel comprises a red channel, a green channel and a blue channel, the three-color channel gray level compensation value is determined according to tristimulus values of the pixel points of a plurality of gray level images and tristimulus values of the pixel points of three monochromatic channel images, and the three monochromatic channel images comprise a red channel image, a green channel image and a blue channel image; performing gray level compensation on the first image by using the gray level compensation values of the three-color channels to obtain a second image; The second image is displayed. In a second aspect, an embodiment of the present application provides an image display apparatus including: the first acquisition module is used for acquiring a first image; The system comprises a first acquisition module, a second acquisition module, a third acquisition module and a fourth acquisition module, wherein the first acquisition module is used for acquiring a first gray level value of each pixel point in a first image, the third acquisition module is used for acquiring a third-color channel gray level compensation value corresponding to the first gray level value of each pixel point in the first image, the third-color channel comprises a red channel, a green channel and a blue channel, the third-color channel gray level compensation value is determined according to the tristimulus values of the pixel points of a plurality of gray level images and the tristimulus values of the pixel points of three single-color channel images, and the three single-color channel images comprise a red channel image, a green channel image and a blue channel image; the compensation module is used for carrying out gray level compensation on the first image by utilizing the gray level compensation values of the three-color channels to obtain a second image; and the display module is used for displaying the second image. In a third aspect, an embodiment of the present application provides an electronic device, where the electronic device includes a processor and a memory, where the memory stores a program or instructions executable on the processor, and the program or instructions implement steps of the image display method provided by the embodiment of the present application when executed by the processor. In a fourth aspect, embodiments of the present application provide a readable storage medium having stored thereon a program or instructions which, when executed by a processor, implement the steps of the image display method provided by the embodiments of the present application. In a fifth aspect, an embodiment of the present application provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a program or instructions to implement the steps of the image