An image compensation method, device and terminal

An image compensation and image technology, applied in the field of image processing, can solve problems such as poor image quality, and achieve the effect of improving the overall level and good image quality

Active Publication Date: 2020-08-04
HISENSE VISUAL TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] In order to solve the problem of poor image quality after image compensation in the prior art, the present invention provides an image compensation method, device and terminal to improve the image quality after image compensation

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  • An image compensation method, device and terminal
  • An image compensation method, device and terminal
  • An image compensation method, device and terminal

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Embodiment Construction

[0041] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.

[0042] The terminology used in the present invention is for the purpose of describing particular embodiments only and is not intended to limit the invention. As used herein and in the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term "and / or" as use...

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Abstract

The present invention provides an image compensation method and device, and a terminal and relates to the technical field of image processing. The method comprises the following steps: determining aninitial compensation coefficient of a partition based on a backlight luminance value of the current partition; determining a noise level of the partition; determining a compensation adjustment factorof the partition based on the noise level; determining a target compensation coefficient of the partition based on the initial compensation coefficient and the compensation adjustment factor, and making compensation for the pixel value of a pixel in the partition based on the target compensation coefficient. Through the method in the invention, the overall level of the image can be improved, and abetter image quality effect can be obtained.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to an image compensation method, device and terminal. Background technique [0002] High-end display products on the market (for example, LCD TVs) generally adopt zoned backlight control, that is, adjust the brightness of the backlight in different areas to improve image contrast, that is, black scenes are darker, and bright scenes are brighter. However, if only the backlight is adjusted, the image will be distorted. Therefore, the image needs to be compensated. [0003] The current image compensation technology is mainly based on backlight intensity compensation to compensate for the impact of backlight brightness reduction and keep the image display effect unchanged before and after dimming. However, in the current image compensation technology, in the case of a certain backlight intensity, if the image quality is better (no noise or less noise), the details of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/57H04N5/213
CPCH04N5/213H04N5/57
Inventor 李广卿王烨东
Owner HISENSE VISUAL TECH CO LTD
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