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Supporting including mixed irap and non-irap images within an access unit in a multi-layer video

A technology for accessing units and encoding images, applied in image communication, digital video signal modification, electrical components, etc., and can solve problems such as difficulties

Pending Publication Date: 2022-05-03
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Large amounts of video data are required to describe even short videos, which can cause difficulties when the data is to be streamed or otherwise transmitted over communication networks with limited bandwidth capacity

Method used

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  • Supporting including mixed irap and non-irap images within an access unit in a multi-layer video
  • Supporting including mixed irap and non-irap images within an access unit in a multi-layer video
  • Supporting including mixed irap and non-irap images within an access unit in a multi-layer video

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Embodiment Construction

[0052] It should be understood at the outset that although the following provides illustrative implementations of one or more embodiments, the disclosed systems and / or methods may be implemented using any number of techniques, whether currently known or existing Technology. The invention should not be limited to the illustrative implementations, drawings and techniques illustrated below, including the exemplary designs and implementations illustrated and described herein, but rather be within the scope of the appended claims and their equivalents Modified in full.

[0053] The following terms are defined below unless used in a context to the contrary herein. Specifically, the following definitions are intended to more clearly describe the present invention. However, terms may be described differently in different contexts. Accordingly, the following definitions should be considered as supplementary information and should not be viewed as limiting any other definitions of th...

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Abstract

A decoding method implemented by a video decoder is provided. The method includes: receiving a code stream including a coded video sequence start (CVSS) access unit (AU), where the CVSS AU includes a picture unit (PU) of each layer, a coded picture in each PU is a coded layer video sequence start (CLVSS) picture, and receiving a code stream including a coded video sequence start (CVSS) access unit (AU), where the coded picture in each PU is a coded layer video sequence start (CLVSS) picture. Identifying the encoded image from one of the layers according to an image order count (POC) value, and identifying the encoded image from the other one of the layers according to the POC value; and decoding the coded image to obtain a decoded image.

Description

[0001] Related Applications Cross Application [0002] This patent application requires the invention titled "Support of Mixed RAP and Non-IRAP images (Support of Mixed RAP and Non-IRAP images) in the access unit submitted by Wang Yekui on September 24, 2019 Pictures Within An Access Unit In Multiple-Layer Video Bitstreams), U.S. Provisional Patent Application No. 62 / 905,141, the contents of which are incorporated herein by reference. technical field [0003] The present invention generally relates to multi-layer video codestreams in video coding. More specifically, the present invention relates to supporting a multi-layer video stream including intra random access point (IRAP) images and non-IRAP images. Background technique [0004] Even short videos require large amounts of video data to describe, which can cause difficulties when the data is to be streamed or otherwise transmitted over communication networks with limited bandwidth capacity. Therefore, video data is usu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/50
CPCH04N19/503H04N19/43H04N19/51H04N19/103H04N19/105H04N19/159H04N19/176H04N19/187H04N19/70H04N19/573H04N19/184H04N19/30H04N19/14H04N19/172H04N19/46H04N19/107H04N19/11H04N19/136H04N19/593
Inventor 王业奎
Owner HUAWEI TECH CO LTD