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Video coding bitstream extraction using identifier indication

A technology of video decoding and identifier, applied in the field of code stream extraction, can solve problems such as difficulties

Active Publication Date: 2022-06-21
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 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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  • Video coding bitstream extraction using identifier indication
  • Video coding bitstream extraction using identifier indication
  • Video coding bitstream extraction using identifier indication

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Embodiment Construction

[0041] It should be understood at the outset that although illustrative implementations of one or more embodiments are provided below, the disclosed systems and / or methods may be implemented using any number of techniques, whether currently known or in existence Technology. The present invention should not be limited to the illustrative implementations, drawings, and techniques described below, including the exemplary designs and implementations illustrated and described herein, but should be included within the scope of the appended claims and their equivalents Modified in full scope.

[0042] The following terms are defined below unless used in the context of this document to the contrary. Specifically, the following definitions are intended to describe the present invention more clearly. However, terms may be described differently in different contexts. Accordingly, the following definitions should be viewed as supplementary information and should not be viewed as limiti...

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Abstract

The invention discloses video coding code stream extraction indicated by using an identifier. A video coding mechanism includes receiving an extracted code stream, the extracted code stream being a code stream extracted from an input code stream containing a set of sub-images by a sub-code stream extraction process. The extracted code stream includes only a subset of the sub-images of the input code stream for the sub-code stream extraction process. A flag in the extracted code stream is set to indicate the presence of sub-image information associated with the subset of the sub-images in the extracted code stream. One or more sub-image identifiers (IDs) of the subset of the sub-images are acquired according to the flag. The subset of the sub-images is decoded according to the sub-image IDs.

Description

[0001] This application is a divisional application, the application number of the original application is 202080045816.X, the original application date is June 15, 2020, and the entire content of the original application is incorporated into this application by reference. [0002] Cross-application of related applications [0003] This patent application claims a U.S. provisional patent with application number 62 / 870,892 filed by Wang Yekui on July 5, 2019 and the invention title is "Handling Signalled Slice Id for BitstreamExtraction" the benefit of the application, the contents of which are incorporated herein by reference. technical field [0004] The present invention generally relates to video coding, and in particular, to code stream extraction in video coding. Background technique [0005] Even short videos require a large amount of video data to describe, which can create difficulties when the data is to be streamed or otherwise transmitted over a communication net...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/513H04N19/593H04N19/82H04N19/547H04N19/625H04N19/91H04N19/96H04N19/577
CPCH04N19/521H04N19/593H04N19/82H04N19/547H04N19/625H04N19/91H04N19/96H04N19/577H04N19/70H04N19/184H04N19/44H04N19/172
Inventor 王业奎弗努·亨德里
Owner HUAWEI TECH CO LTD