Video signal encoding / decoding method and apparatus therefor
By adopting the combined prediction method and multi-prediction unit division technology when encoding/decoding the video signal, the problem of increasing data volume in high-definition video services is solved, and the video compression rate and inter-frame prediction efficiency are improved.
CN120751121APending Publication Date: 2025-10-03GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD
Patent Information
- Application Number
- CN202511175650.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2018-11-27
- Filing Date
- 2019-11-07
- Publication Date
- 2025-10-03
AI Technical Summary
Technical Problem
Existing video coding technologies have the problem of a significant increase in data volume in high-definition video services. The compression performance of HEVC has gradually exposed its limitations, and the video compression rate needs to be improved.
Method used
A combined prediction method is used to divide the coding block into multiple prediction units when encoding/decoding the video signal, and the inter-frame prediction efficiency is improved by combining the prediction mode, intra-frame prediction mode and weighted sum operation.
Benefits of technology
The combined prediction method improves the inter-frame prediction efficiency of video signals and enhances the video compression rate.
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Smart Images
Figure CN120751121A_ABST
Abstract
A video decoding method according to the present invention comprises the steps of: determining whether to apply a combined prediction mode to a current block; when the combined prediction mode is applied to the current block, obtaining a first prediction block and a second prediction block of the current block; and obtaining a third prediction block of the current block based on a weighted sum operation of the first prediction block and the second prediction block.
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Citation Information
Patent Citations
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