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Hue regulation system and its regulation method

A hue and adjustment value technology, which is applied in the field of hue adjustment system, can solve the problems such as limitation of screen hue adjustment, lack of flexibility and difficult adjustment of viewing status of video screen, etc.

Inactive Publication Date: 2009-12-23
MSTAR SEMICON INC
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  • Abstract
  • Description
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Problems solved by technology

However, when the current monitor adjusts the hue, it uses the same adjustment value to adjust the hue of each color, and the hue adjustment range of each color is the same, so the adjustment of the hue of the screen is greatly restricted. This lack of flexibility The adjustment method makes it difficult for users to adjust the video screen to the best viewing state according to each person's preference

Method used

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  • Hue regulation system and its regulation method
  • Hue regulation system and its regulation method
  • Hue regulation system and its regulation method

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Embodiment Construction

[0024] Please refer to figure 1 , figure 1 It is a system block diagram of the hue adjustment system of the present invention. The hue adjustment system 100 includes a hue determination circuit 110 and a hue adjustment circuit 120 . First select a certain color space, which can be RGB, YUV, YCrCb, etc., and express a target color in this color space. Taking the color space YCrCb as an example, after analyzing the target color, at least two color format signals CF1_in and CF2_in corresponding to chrominance can be obtained. For example, the color format signal CF1_in corresponds to the Cr component of YCrCb, and The color format signal CF2_in corresponds to the Cb component of YCrCb. The hue determination circuit 110 receives the color format signals CF1_in and CF2_in corresponding to the target color, and a plurality of hue adjustment values ​​(ie, adjustment angles) Hue_A, Hue_B, Hue_C, Hue_D, and Hue_E corresponding to different colors. The five hue adjustment values ​​H...

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Abstract

The invention provides a system for adjusting the hue of a target color. The system includes a hue determining circuit and a hue adjusting circuit. The hue determination circuit receives a plurality of color format signals corresponding to the target color and a plurality of hue adjustment values ​​corresponding to different colors, and generates a target hue adjustment value according to the plurality of color format signals and the plurality of hue adjustment values. The hue adjustment circuit is connected to the hue determination circuit, and is used to receive the plurality of color format signals and the target hue adjustment value, and adjust the hue angles of the plurality of color format signals according to the target hue adjustment value, so as to adjust the target The hue of the color.

Description

technical field [0001] The present invention relates to a hue adjustment system and its method, in particular to a system and its adjustment method capable of independently adjusting the hues of different colors. Background technique [0002] Hue is one of the elements to determine a color, and the hue of an image often affects the comfort of the human eye when viewing the image. Ordinary monitors usually provide the function of adjusting the hue of the screen, so that users can adjust the hue to achieve the best viewing comfort when enjoying the screen. However, when the current monitor adjusts the hue, it uses the same adjustment value to adjust the hue of each color, and the hue adjustment range of each color is the same, so the adjustment of the hue of the screen is greatly restricted. This lack of flexibility The adjustment method makes it difficult for users to adjust the video screen to the best viewing state according to each person's preference. Contents of the i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N1/56H04N1/60
Inventor 李维国陈衣凡
Owner MSTAR SEMICON INC
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