基于SIMD的AVS3并行率失真优化量化算法

针对第三代音频视频标准(the third generation audio video coding standard,AVS3)中的率失真优化量化(rate-distortion optimization quantization,RDOQ)过程的编码效率问题,提出一种基于单指令多数据(single instruction multiple data,SIMD)的并行RDOQ算法。首先,在最优系数决策(optimal coefficient decision,OCD)阶段,通过优化,仅保留扫描线内的依赖关系。然后,在最后一个非零位置决策(last non-zero position dec...

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Bibliographic Details
Main Author: 唐毅欣1, 黄晓峰1, 唐然1, 周洋1, 崔燕2, 殷海兵1
Format: Article
Language:zho
Published: Beijing Xintong Media Co., Ltd 2024-06-01
Series:Dianxin kexue
Subjects:
Online Access:https://www.infocomm-journal.com/dxkx/CN/abstract/abstract174401.shtml