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Image color correction system and method

A color and image technology, applied in the field of correction system, can solve the problems of image false contours and known technologies that cannot meet the needs of users, and achieve the effect of reducing the correction process and increasing the speed

Inactive Publication Date: 2007-05-23
AU OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the above-mentioned known technology can achieve the purpose of adjusting some color values ​​of the image, the corrected image has the problem of false contours, so the known technology cannot meet the needs of users in actual use.

Method used

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  • Image color correction system and method
  • Image color correction system and method

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Experimental program
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Embodiment Construction

[0026] Please refer to FIG. 1 , which is a schematic diagram of an image color correction system architecture according to a preferred embodiment of the present invention. As shown in the figure, the image color correction system 1 of the present invention at least includes a color correction module 11, and the color correction module 11 includes a first color conversion unit 111, a selection unit 112, a correction unit 113, a smoothing unit 114 and A second color conversion unit 115 .

[0027] The color correction module 11 receives an image, converts the color data of the image into a first color data through the first color conversion unit 111, and transmits the first color data of the image to the selection unit 112, wherein the The color data of the image is in the color format of red, green and blue (RGB), and the first color data of the image can be LCh, YUV, XYZ, Lab or other color formats, and the color data of the image includes several color values , each color val...

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Abstract

The invention relates to an image color correcting system and relative method, wherein said system comprises one color modifying module for correcting the color into ideal color value, to obtain corrected color value, and modifying the color between corrected color value and uncorrected color; balancing the color difference between corrected color value and uncorrected color value, to avoid corrected image generating false profile. The invention also can contain color interpolation module with internal inquire list, for inputting several color values of one image and searching for relative output color values via the inquire list; when there is not output color values found, using said inquire list to process color interpolation on several color values of image. The invention can improve color correct speed.

Description

technical field [0001] The invention relates to a correction system and its method, in particular to an image color correction system and its method. Background technique [0002] At present, the HSV system is used for color detection and color correction to adjust part of the color values ​​of the image. The adjustment method is divided into a color detection part and a color correction part. Please refer to Figure 5. In the color detection part, step S30 is first executed to input the image The color data (RGB color format) of the input image is converted into the first color data (HSV color format), and then step S31 is performed to determine whether several color values ​​of the first color data of the input image are specific color color values, if the several If the color value is not the specific color value, step S32 is performed to convert the first color data of the input image into a second color data (RGB color format) to obtain an output image, and step S33 is p...

Claims

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Application Information

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IPC IPC(8): H04N1/60H04N1/56
Inventor 汪德美蔡富全
Owner AU OPTRONICS CORP