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Multi-level Inter-frame Parallelization in an Open Optimized VVC Encoder

delete2026-03-01
delete1
PRE
AI
V
Valeri George *
J
Jens Brandenburg
G
Gabriel Hege
T
Tobias Hinz
A
Adam Wieckowski
B
Benjamin Bross
T
Thomas Schierl
D
Detlev Marpe
DOI：10.1145/3742869delete
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摘要

摘要

En 中文
本研究探讨了基于通用视频编码（VVC）标准的视频编码并行化技术，使用开源且优化的编码器软件实现VVenC。现代多处理器系统为加速视频编码提供了显著机会。通过采用所提出的并行化方法组合，VVenC编码器在32核系统上相比单线程模式实现了最高22倍的加速，在高比特率下潜力可增至27倍。基于先前关于帧间并行化（IFP）的研究，本研究引入了基于帧区域的同步机制，使加速进一步提升10%。此外，研究展示了将帧并行化扩展至图像组（GOP）边界之外，这分别使IFP在高清（HD）和超高清（UHD）分辨率下的加速提升了37%和11%。还探索了与其他VVC并行化工具（如分块和VVC波前并行处理WPP）的额外组合。文章对并行化挑战进行了全面分析，并指出了进一步改进的方向。
Keyword:
Video Encoder
Parallelization
VVenC
VVC

期刊

ACM Transactions on Multimedia Computing Communications and Applications 封面图
ACM Transactions on Multimedia Computing Communications and Applications
IF:
6
论文数:
2.0K
被引数:
5.4K

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