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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Format: | Article |
Language: | zho |
Published: |
Beijing Xintong Media Co., Ltd
2024-06-01
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Series: | Dianxin kexue |
Subjects: | |
Online Access: | https://www.infocomm-journal.com/dxkx/CN/abstract/abstract174401.shtml |