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Video coding method used for SVAC standard

A video coding and standard technology, applied in the field of video coding, can solve the problem of discontinuous code stream and so on

Active Publication Date: 2015-04-01
VIMICRO ELECTRONICS CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of this, the embodiment of the present invention provides a video coding method for the SVAC standard, which solves the problem in the prior art that the respective code streams of each ROI region and background region of the coded code stream are discontinuous

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  • Video coding method used for SVAC standard
  • Video coding method used for SVAC standard
  • Video coding method used for SVAC standard

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Embodiment Construction

[0014] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0015] figure 1 It is a schematic flow chart of a video coding method for the SVAC standard provided by an embodiment of the present invention. Such as figure 1 As shown, the method includes:

[0016] Step 101: Identify the pixels of interest and background pixels in the image to be encoded. The specific process can be: starting from the first pixel of the image to be encoded in row scanning order, traversing each pixel of the image to be encoded in sequence, and identifying the pixel of interest and the background pixel in the image to be encoded.

[0017] Step 102: Perform entropy coding on different interest pixels and background pixels in sequence, and generate different interesting code stream data and background code stream data respectively. Wherein, ea...

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Abstract

The embodiment of the invention provides a video coding method used for an SVAC standard. The video coding method used for the SVAC standard solves the problem that in the prior art, code stream of each ROI area and code stream of each background area in coding code stream are discontinuous. The video coding method used for the SVAC standard includes the steps that pixels in each RIO and background pixels in an image to be coded are recognized; entropy coding is carried out on the different pixels in each RIO and the different background pixels in sequence respectively, and then different data of code stream in each RIO and background code stream data are generated respectively, wherein each piece of data of the code stream in each RIO corresponds to one RIO; marks of RIO areas are added to the different data of the code stream in each RIO; marks of background areas are added to the background code stream data; according to the serial number marks of the RIOs and the background areas, the code stream to be processed is rearranged, and then rearranged code stream is generated.

Description

technical field [0001] The invention relates to the field of video coding, in particular to a video coding method used in the SVAC standard. technical background [0002] In the current SVAC (Surveillance video and audio coding, security monitoring digital video and audio codec) standard, the coding of a frame of image is performed pixel by row. Since multiple ROI regions (Region Of Interest, region of interest) and a background region may exist in a frame of image at the same time, in the coded stream of a frame of image, the respective code streams of the background region and each ROI region are discontinuous. In this way, it is necessary to combine the code streams of each part of each ROI area in sequence, and rearrange the entire encoded code stream according to the numbering order of the ROI area, so as to facilitate subsequent intelligent video analysis of the ROI area. However, the prior art does not provide a technical solution for rearranging coded streams. Co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/167H04N19/17H04N19/129
Inventor 奉超
Owner VIMICRO ELECTRONICS CORP