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Image processing method and device

An image processing device and an image processing technology, applied in the field of image processing, can solve the problems of poor image edge texture processing and wrong color, and achieve the effects of improving the wrong color problem, reducing bandwidth, and ensuring image quality.

Inactive Publication Date: 2017-09-15
XIAN NOVASTAR TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Therefore, the embodiment of the present invention proposes an image processing method and an image processing device to solve the technical problem of the prior art that the edge texture of the image is not well processed and there is a wrong color phenomenon.

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Embodiment Construction

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0015] One of the purposes of the embodiments of the present invention is to provide an image processing method for restoring YUV422 to YUV444, which can improve the color error phenomenon existing in the prior art, especially at the edge, so that the image can be improved while reducing the bandwidth. display quality.

[0016] Specifically, an image processing method proposed by an embodiment of the present invention includes the steps of: acquiring a first pixel ...

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Abstract

The embodiment of the present invention proposes an image processing method and an image processing device, which improve the wrong color problem existing in the traditional method of restoring YUV444 from YUV422. For the missing UV component, the current pixel point calculates the weight according to the brightness component information and then calculates its recovery. After the UV component, the image quality is guaranteed as much as possible while reducing the bandwidth.

Description

technical field [0001] The present invention relates to the technical field of image processing and display, in particular to an image processing method and an image processing device. Background technique [0002] YUV is a color coding method that separates luminance information (Y) from chrominance information (UV). Since the human eye is mainly sensitive to luminance information, the bandwidth can be further reduced by sampling the U and V components. The mainstream YUV sampling methods are YUV444 and YUV422. If YUV422 is used for sampling transmission, it is necessary to restore YUV422 to YUV444 after the transmission is completed. [0003] In the traditional method, the method of restoring YUV444 from YUV422 includes the copying method and the averaging method. However, the existing technology does not handle the edge texture of the image well, and there is a phenomenon of wrong color. Contents of the invention [0004] Therefore, an embodiment of the present invent...

Claims

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Application Information

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IPC IPC(8): H04N9/77
CPCH04N9/77
Inventor 杨树林宗靖国周晶晶
Owner XIAN NOVASTAR TECH
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