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YUV (Luma and Chroma) video data resolution automatic identification method and device thereof

A technology of video data and automatic identification, applied in the field of image processing, can solve the problems of wasting operation time, etc., and achieve the effect of increasing stability, accurate qualitative, accurate and reasonable calculation

Active Publication Date: 2013-08-28
HANGZHOU HIKVISION DIGITAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When it is necessary to continuously open different YUV video data, it is necessary to constantly try to adjust the input width and height for confirmation, which wastes a lot of operation time and brings a lot of inconvenience

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  • YUV (Luma and Chroma) video data resolution automatic identification method and device thereof
  • YUV (Luma and Chroma) video data resolution automatic identification method and device thereof
  • YUV (Luma and Chroma) video data resolution automatic identification method and device thereof

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Embodiment Construction

[0033] In the following description, many technical details are proposed in order to enable readers to better understand the application. However, those skilled in the art can understand that without these technical details and various changes and modifications based on the following implementation modes, the technical solution claimed in each claim of the present application can be realized.

[0034] In order to make the purpose, technical solution and advantages of the present invention clearer, the following will further describe the implementation of the present invention in detail in conjunction with the accompanying drawings.

[0035] The first embodiment of the present invention relates to a method for automatically identifying the resolution of YUV video data. figure 1 It is a schematic flow chart of the method for automatically identifying the resolution of YUV video data. Such as figure 1 Shown, this YUV video data resolution automatic identification method compris...

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Abstract

The invention relates to the field of image processing, and discloses a YUV (Luma and Chroma) video data resolution automatic identification method and a device thereof. According to the invention, the most reliable resolution of YUV can be automatically identified and given out, and multi-time manpower interference and identification attempt are free. The method disclosed by the invention comprises the following steps of: according to different YUC video data resolutions, respectively presetting corresponding traversal patterns; according to the preset traversal patterns, computing the degree of correlation of adjacent lines of appointed components in YUV video data under each traversal patterns, and carrying out normalization processing; comparing the result of the normalization processing of the degree of correlation of the adjacent lines of each traversal pattern and selecting a maximum value; and setting the resolution corresponding to the transversal pattern corresponding to themaximum value into a YUV video data resolution.

Description

technical field [0001] The invention relates to the field of image processing, in particular to a YUV video data resolution identification technology. Background technique [0002] YUV is a color coding method adopted by the European TV system. It is a phase-alternating line (Phase Alternating Line, referred to as "PAL") and a sequential storage color TV system (Sequential Color and Memory, referred to as "SECAM") for simulating color The color space used by the TV standard. In modern color TV systems, three-tube color cameras or color CCD cameras are usually used to capture images, and then the obtained color image signals are separated, enlarged and corrected to obtain RGB, and then the brightness signal Y and two signals are obtained through a matrix conversion circuit. A chrominance signal R-Y (that is, U), B-Y (that is, V), and finally the sending end encodes the three signals of luminance and chrominance respectively, and sends them out on the same channel. This colo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N9/64H04N9/77
Inventor 苏辉俞海贾永华
Owner HANGZHOU HIKVISION DIGITAL TECH
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