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Color gamut keeping system and method

A technology that maintains the system and color gamut, applied in the field of image processing, can solve the problems of wasting time, consuming CPU, reducing computing efficiency, etc., and achieve the effects of reducing CPU consumption, saving time, and improving image processing speed

Active Publication Date: 2017-02-15
SHENZHEN TCL DIGITAL TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This wastes a lot of time and consumes CPU, and the calculation efficiency is greatly reduced.

Method used

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  • Color gamut keeping system and method
  • Color gamut keeping system and method
  • Color gamut keeping system and method

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Embodiment Construction

[0053] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0054] Before discussing the exemplary embodiments in more detail, it should be mentioned that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although the flowcharts describe operations as sequential processing, many of the operations may be performed in parallel, concurrently, or simultaneously. In addition, the order of operations can be rearranged. The process may be terminated when its operations are complete, but may also have additional steps not included in the figure. The processing may correspond to a method, function, procedure, subroutine, subroutine, or the like.

[0055] Specific structural and functional details disclosed herein are representative only and for purposes of describing example embodiments of the present invention. This invention may, however, be ...

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Abstract

The invention provides a color gamut keeping system and method. When an image is transmitted to a second color gamut from a first color gamut, the color gamut can be kept by generating a standard color comparison table of an image color in the first color gamut and an image color in the second color gamut. The system comprises a first conversion module used for converting a color system of the first color gamut into a first conversion color gamut; a second conversion module used for converting a color system of the second color gamut into a second conversion color gamut; a coordinate point correspondence module used for calculating coordinate point of each coordinate point in the first conversion color gamut correspondingly in the second conversion color gamut according to a corresponding algorithm; a corresponding table generation module used for generating a corresponding table from the first conversion color gamut to the second conversion color gamut; and a standard color comparison table generation module used for generating a standard color comparison table according to the corresponding table. The color gamut keeping system and the color gamut keeping method provided by the invention can maintain the output result of images on different displays, obtain an effect of color gamut keeping, improve the picture processing speed, and reduce the power consumption of a CPU (Central Processing Unit).

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to a color gamut maintenance system and method. Background technique [0002] Image color gamut (Color Gamut) refers to the range area formed by the number of colors that can be expressed. In different displays, the range of color gamut is different. Generally, the internationally accepted color measurement standard is the color gamut range specified by NTSC (National Television Standards Committee), that is, the range of colors that can be displayed on a monitor. The technology used in every television set limits the range of colors it can handle. The International Commission on Illumination (CIE) has developed a method for describing the color gamut: the CIE-xy chromaticity diagram. In this coordinate system, the range of the color gamut that various display devices can represent is a triangular area composed of RGB three-point lines To indicate that the larger ...

Claims

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Application Information

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IPC IPC(8): H04N9/64
CPCH04N9/64H04N1/6005H04N1/603H04N1/6016H04N1/6058
Inventor 王甜甜张晓东谢仁礼韦泽垠
Owner SHENZHEN TCL DIGITAL TECH CO LTD
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