Methods, apparatuses, and media for video processing
By iteratively applying a multi-round bidirectional optical flow process to video blocks, and utilizing motion offset adjustment and information reuse, the problem of improving encoding and decoding efficiency and quality in existing technologies is solved, achieving more efficient encoding and decoding effects.
CN122423213APending Publication Date: 2026-07-17DOUYIN CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- DOUYIN CO LTD
- Filing Date
- 2024-12-12
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing video encoding and decoding technologies have room for improvement in terms of efficiency and quality, especially when applying bidirectional optical flow processes, where computational complexity is high and information reuse is insufficient.
Method used
By iteratively applying a multi-round bidirectional optical flow process to video blocks, the encoding and decoding process of video blocks is optimized by utilizing motion offset adjustment and information reuse.
Benefits of technology
It improves encoding and decoding efficiency and quality, expands the application scenarios of bidirectional optical flow processes, and reduces computational complexity.
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Figure CN122423213A_ABST
Abstract
本公开的实施例提供了一种用于视频处理的解决方案。提出了一种用于视频处理的方法。该方法包括：针对视频的当前视频块与视频的比特流之间的转换，对当前视频块迭代地应用多轮双向光流（BDOF）过程；以及基于应用的结果执行转换，其中迭代地对当前视频块应用多轮BDOF过程包括：在多轮BDOF过程中的当前一轮BDOF过程中，确定用于调整当前视频块的运动矢量的运动偏移；以及如果确定运动偏移满足预定条件，则在应用当前一轮BDOF过程之后的另一轮BDOF过程期间，重用在当前一轮BDOF过程中确定的信息。
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