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Apparatus and method for color amendment

A color and color value technology, applied in the direction of color signal processing circuit, color TV signal processing, etc., can solve problems such as user inconvenience

Inactive Publication Date: 2005-01-19
BENQ CORP
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  • Abstract
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Problems solved by technology

However, there is no common calibration standard among different manufacturers, so whenever users use the above-mentioned different image source devices of different manufacturers to output images to the image display device, they must manually adjust the brightness, contrast, hue, and color density of the image display device. And adjust parameters such as sharpness to get an acceptable video picture
Therefore, it is very inconvenient for users

Method used

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  • Apparatus and method for color amendment
  • Apparatus and method for color amendment

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Embodiment Construction

[0043] see figure 1 , figure 1 It is a schematic diagram of the color correction device of the present invention. The color correction device 12 used in an image forming apparatus 10 (Image forming apparatus) of the present invention is used to make the color of a first image 14 displayed on the image forming apparatus 10 consistent with that displayed on a display device 16 The color of a second image 18 is consistent, and the first image 14 captured by the image forming device 10 is composed of an array of pixels (Array of pixels, not shown in figure 1 ), each pixel in the pixel array has a first color value 20 (Color values) that conforms to a first color mode (Color space, not shown in figure 1 ), the first color mode contains three first color elements (R, G, B, not shown in figure 1 , Color components), the image forming device 10 and converts the color value of each pixel of the first image 14 to conform to a second color mode (not shown in figure 1 ) of the second ...

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Abstract

The invention discloses a color correction equipment and method that is used in making the color of the first-image displayed in the image forming unit accord with the color of the second-image displayed in the image forming unit. The image-forming unit takes the first-image, and the image is a kind of signal with many first-color signals that accords with the first color mode. Furthermore, the image-forming unit converts many first-color signals into many second-color signals that accords with the second-color mode, and outputs many second-color signals to the display unit. The display unit displays the second-image on the basis of the second-color signals inputted. For concreteness, the first-color rule includes R, G, B(red, green, blue) signals, and the second-color rule includes Y, Cb, Cr(brightness, red chromatic difference, blue chromatic difference) signals.

Description

technical field [0001] The present invention relates to a color correction device and method, in particular to a color correction device and method for making the color of an image displayed on an image forming device consistent with the color of an image displayed on a display device. Background technique [0002] Regardless of the brand of image display devices such as TVs and projectors, they usually provide five basic adjustment functions: Brightness, Contrast, Tint, Color, and Sharpness. , the purpose of which is to allow the user to adjust the quality of the image to be presented on a TV or projector. [0003] The image source device connected to the image display device may be a DVD / VCD player or a digital image forming device such as a digital video camera and a digital camera, and the like. The manufacturers of the above-mentioned image source devices will go through a calibration procedure before the products are sold, so that the image display of the image source...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N9/64H04N9/87
Inventor 苏耿民蔡胡链许英豪
Owner BENQ CORP
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