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Method and device for enhancing image saturation

A saturation and image technology, which is applied in the field of image processing, can solve the problems that the linear transformation coefficient cannot be guaranteed, the saturation of the image displayed on the image display terminal can not be guaranteed, and the same, so as to ensure the color level, bright color, and dynamic saturation improvement. Effect

Active Publication Date: 2017-07-25
SHENZHEN TCL NEW-TECH CO LTD
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Problems solved by technology

However, if the contrast enhancement is performed on the three color components of R, G, and B, since the operations of the three color components are independent of each other, it cannot be guaranteed that the linear transformation coefficients of the three are the same. Display the saturation of the terminal display image

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  • Method and device for enhancing image saturation
  • Method and device for enhancing image saturation
  • Method and device for enhancing image saturation

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Embodiment Construction

[0054] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0055] The invention proposes a method for image saturation enhancement.

[0056] refer to figure 1 , figure 1 It is a schematic flow chart of the first embodiment of the image saturation enhancement method of the present invention.

[0057] The first embodiment of the method for image saturation enhancement proposed by the present invention. In this embodiment, the method for image saturation enhancement includes the following steps:

[0058] Step S10, converting the received image signal into an HSI image signal;

[0059] The image signal usually uses YUV or RGB to represent its color, so it needs to be converted into color space first, that is, the conversion from YUV or RGB to HSI color space should be realized first.

[0060] The HSI color space uses three dimensions of hue H (Hue), color saturation S (Satur...

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Abstract

The invention discloses an image saturation enhancement method. The method comprises the following steps: converting received image signals into HSI image signals; carrying out saturation enhancement processing on the HIS image signals after conversion; and reducing the HIS image signals subjected to the saturation enhancement processing to image signals in an original format. The invention also discloses an image saturation enhancement apparatus. The image saturation enhancement method provided by the invention prevents the phenomenon of image distortion caused by direct enhancement adjustment of RGB image signals and guarantees the saturation of an image display terminal in displaying images.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to a method and device for enhancing image saturation. Background technique [0002] During the transmission process from the image source to the image display terminal, the image quality will be degraded due to circuit noise, transmission loss, etc. In order to improve the visual effect of images displayed by an image display terminal, color image enhancement is of great significance. [0003] The existing color image enhancement algorithm usually adopts the following method: the three color components of R, G, and B of the RGB image are scaled and translated in the same way, so as to achieve the purpose of maintaining the color tone. However, if the contrast enhancement is performed on the three color components of R, G, and B respectively, since the calculations of the three color components are independent of each other, it cannot be guaranteed that the linear ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G5/00G09G5/02G09G5/10
Inventor 何鹏文东吴美芬余雪梅
Owner SHENZHEN TCL NEW-TECH CO LTD