Image processing method and system

An image processing and image technology, applied in the field of image processing, can solve the problem of destroying the distribution of bright and dark areas of the image

Active Publication Date: 2015-06-17
TENCENT TECH (SHENZHEN) CO LTD
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Problems solved by technology

[0004] Based on this, it is necessary to provide an image processing method and system for the technical problem that the traditional method of adjusting image contrast may destroy the distribution of bright and dark areas of the image.

Method used

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  • Image processing method and system
  • Image processing method and system
  • Image processing method and system

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Embodiment Construction

[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0024] Unless the context clearly states otherwise, the number of elements and components in the present invention can exist in a single form or in multiple forms, and the present invention is not limited thereto. Although the steps in the present invention are arranged with labels, they are not used to limit the order of the steps. Unless the order of the steps is clearly stated or the execution of a certain step requires other steps as a basis, the relative order of the steps can be adjusted. It can be understood that the term "and / or" used herein refers to and covers any and all possible combina...

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Abstract

The provided is an image processing method, which includes: converting a to-be-processed image into a gray image; performing Guass fuzzy processing having a predefined fuzzy radius on the gray image, and obtaining a reference image; and according to gray values of reference pixels of the reference image, decreasing a pixel value of a pixel of the to-be-processed image corresponding to a reference pixel whose gray value is larger than a gray threshold, increasing a pixel value of a pixel of the to-be-processed image corresponding to a reference pixel whose gray value is smaller than the gray threshold, and obtaining an adjusted image.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to an image processing method and system. Background technique [0002] Image contrast refers to the measurement of different brightness levels between the brightest white and the darkest black in an image. The larger the difference range, the greater the contrast, and the smaller the difference range, the smaller the contrast. Adjusting the image contrast is It is an important means to enhance the image display effect. The traditional method of adjusting image contrast is generally to convert the image to HSV (hue-saturation-brightness) color space or LAB (L for lightness, A for the range from magenta to green, and B for the range from yellow to blue ) color space, and then adjust the brightness curve of the brightness component (V or L) to change the corresponding relationship between the brightness of the pixels before and after adjustment, so as to achieve the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T3/00
CPCG06T5/008G06T2207/10024G06T5/20G06T5/40
Inventor 姜德强
Owner TENCENT TECH (SHENZHEN) CO LTD
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