Management control method of decoding buffer zone of video bit stream containing constructed images

A management control and buffer technology, applied in image communication, digital video signal modification, electrical components, etc., can solve problems such as increased decoding complexity, reduced compression efficiency, and increased video stream size, saving bandwidth and storage space Effect

Active Publication Date: 2014-07-02
PEKING UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] But first, the introduction of SEI syntax elements will lead to larger video stream size and lower compression efficiency. Second, complex HRD control methods will lead to increased decoding complexity.

Method used

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  • Management control method of decoding buffer zone of video bit stream containing constructed images
  • Management control method of decoding buffer zone of video bit stream containing constructed images
  • Management control method of decoding buffer zone of video bit stream containing constructed images

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Embodiment Construction

[0043] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0044] The present invention proposes a decoding buffer management method for video containing structured image bit streams, which is characterized in that the time for buffer detection and data removal is determined according to the decoded identification parameter indicating whether the decoded image is a structured image interval, which in turn supports efficient encoding without frame loss and no delay in accumulating, stuttering, decoding and playing video.

[0045] refer to figure 1 , figure 1 It is a flow chart of the decoding buffer management method for a video containing a structured image in the bit stream proposed by the present invention, including the decoding of the structured image parameters, the calculation of t...

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Abstract

The invention discloses a management method of a decoding buffer zone of a video bit stream containing constructed images. The management method is characterized in that: a detection time interval of the buffer zone is judged according to decoded identification parameters indicating whether the constructed images exist or not, and the decoding and playing of the video bit stream without delay accumulation, pause and frame loss are further supported. The method comprises the steps of: decoding the parameters of the constructed images, calculating a parameter on whether the bit stream shits in or shifts out of the buffer zone, shifting the bit stream into the buffer zone, detecting the buffer zone, and shifting the bit stream out of the buffer zone. The management method disclosed by the invention favorably supports the addition of a plurality of constructed images to be displayed or not to be displayed into the video bit stream.

Description

technical field [0001] The invention relates to video compression and decompression technology in the technical field of digital media processing. More particularly, it relates to a management control method for determining the time interval of buffer detection by using structured image information in a video bit stream. Background technique [0002] Digital video signals contain a lot of statistical redundancy (including spatial redundancy, time redundancy and statistical redundancy), and video compression (also called video coding) is a key technology to eliminate these redundancy. The digital video is compressed to obtain the video bit stream. The traditional video bit stream is obtained by merging the compressed bit streams of the captured video images one by one. In recent years, with the development of video technology, in AVS, H.264 / AVC, and HEVC standards, it is currently supported to write the bit stream of the structured image in the video, and decode the reconstr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/44
Inventor 高文张贤国黄铁军郑萧桢虞露
Owner PEKING UNIV
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