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Method for conversion between Bayer format data and equivalent same-structure brightness and chromatic aberration component data

A technology of Bayer format and color difference components, which is applied to the parts of color TV, color TV, TV system, etc., can solve the problems of increased resource expenditure, increased manufacturing cost, increased data volume, etc., and achieves simple structure, Effects of reduced power consumption and cost reduction

Active Publication Date: 2014-11-12
GUANGZHOU AVA ELECTRONICS TECH CO LTD
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Problems solved by technology

[0005] Such multiple conversion operations have brought about an increase in the amount of data and a sharp increase in computing overhead, resulting in an increase in resource overhead and thus an increase in manufacturing costs; and an increase in power consumption that has led to a deterioration in the stability of product equipment

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  • Method for conversion between Bayer format data and equivalent same-structure brightness and chromatic aberration component data
  • Method for conversion between Bayer format data and equivalent same-structure brightness and chromatic aberration component data
  • Method for conversion between Bayer format data and equivalent same-structure brightness and chromatic aberration component data

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Embodiment Construction

[0028] A conversion method and implementation of Bayer format data and equivalent brightness and color difference component data of the same structure, such as Image 6 As shown, it includes a conversion kernel coefficient module 1, a multiplier module 2, an adder module 3, and a control module 4. The Bayer format data is input to the multiplier module 1, and under the control of the control module 4, the conversion kernel coefficient module 2 sequentially delivers the coefficients to the multiplier module 1, and the multiplier module 1 sequentially performs operations on it and the input data, and the operation The results are sequentially delivered to the adder module 3 under the control of the control module 4 and accumulated in it, and the output of the operation result is Y r C r C b Y b data.

[0029] a Y r C r C b Y b Data to Bayer format data conversion method and implementation, such as Figure 7 As shown, it includes an inverse conversion kernel coefficient ...

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Abstract

The invention discloses a method for conversion between Bayer format data and equivalent same-structure brightness and chromatic aberration component data. The method involves a mutual conversion formula and an implementing method of the Bayer format data and equivalent same-structure brightness and chromatic aberration components. According to the method for conversion, when the brightness components and chromatic aberration components are used for image processing operations, operation processing is conducted with the minimum operand, and therefore hardware cost and power consumption cost can be reduced to the maximum degree.

Description

technical field [0001] The invention relates to a color digital video recorder. Background technique [0002] Usually, the sensors used in color digital cameras output data in Bayer (BAYER) format, and the subsequent processing links convert the data in Bayer format into RGB data, and then convert the RGB data into brightness-color difference in a certain link Component data (hereinafter referred to as YC b C r data), because YC b C r Data has some unique conveniences in many image processing and video compression processes. RGB data and YC b C r There are formulas to follow for data conversion. In computer vision applications, the calculation formulas of brightness component value [0, 255] and color difference component value [-128, 127] are usually used. [0003] In some cases, C b 、C r The components are also referred to as U, V components. Without loss of generality, in this paper, C b 、C r Unified expression. [0004] RGB data and YC b C r Data conversion...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/232
CPCH04N23/10
Inventor 张春兰
Owner GUANGZHOU AVA ELECTRONICS TECH CO LTD
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