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Video decoding method, video encoding method and related equipment

A video decoding and video coding technology, applied in the field of video coding and decoding, can solve the problem of high cost of string vector coding, achieve the effect of improving coding efficiency and overall coding efficiency

Active Publication Date: 2021-03-26
TENCENT TECH (SHENZHEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The string prediction scheme in the related art (also called intra-frame string replication technology or string matching technology) uses integer pixel precision or resolution by default when encoding string vectors, resulting in high coding costs for string vectors

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  • Video decoding method, video encoding method and related equipment
  • Video decoding method, video encoding method and related equipment
  • Video decoding method, video encoding method and related equipment

Examples

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Embodiment Construction

[0025] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concept of example embodiments to those skilled in the art.

[0026] Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of embodiments of the present disclosure. However, those skilled in the art will appreciate that the technical solutions of the present disclosure may be practiced without one or more of the specific details, or other methods, components, means, steps, etc. may be employed. In other instances, well-known methods, ap...

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Abstract

The invention provides a video decoding method, a video decoding method and related equipment. The method comprises the steps: acquiring a to-be-decoded code stream, wherein the to-be-decoded code stream comprises a current decoding block, the current decoding block adopts an intra-frame string copy mode, and the current decoding block comprises a current string; determining at least two candidatestring vector coding resolutions of the current string; decoding the code stream to be decoded to obtain string vector coding information of the current string; determining a target string vector coding resolution of the current string from the at least two candidate string vector coding resolutions according to the string vector coding information; and obtaining a target string vector of the current string according to the string vector coding information of the current string and the target string vector coding resolution thereof. According to the scheme provided by the embodiment of the invention, the coding efficiency can be improved.

Description

technical field [0001] The present disclosure relates to the technical field of video encoding and decoding, and in particular, relates to a video decoding method, a video encoding method, electronic equipment, and a computer-readable storage medium. Background technique [0002] On the one hand, the Internet is about to enter a new era of 5G (5th generation mobile networks or 5thgeneration wireless systems, 5th-Generation, fifth-generation mobile communication technology), and images (videos) appearing in various Internet applications have become the main consumers of Internet bandwidth . In particular, the image traffic on the mobile Internet is increasing day by day, and there will be explosive growth in the 5G era, which will inject new and powerful impetus into the accelerated development of image coding and decoding technology. At the same time, it also poses many severe new challenges to the image coding and decoding technology that have not been encountered in the p...

Claims

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Application Information

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IPC IPC(8): H04N19/176H04N19/182H04N19/503H04N19/186H04N19/44H04N19/436H04N19/105H04N19/91H04N19/147H04N19/136
CPCH04N19/176H04N19/182H04N19/503H04N19/186H04N19/44H04N19/436H04N19/105H04N19/91H04N19/147H04N19/136
Inventor 王英彬许晓中刘杉
Owner TENCENT TECH (SHENZHEN) CO LTD
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