Reducing quantisation loss and improving side information in distributed video coding

Reducing quantisation loss and improving side information in distributed video coding
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减少分布式视频编码中的量化损失并改善辅助信息

DOI:
10.1049/el.2010.2541
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发表时间:
2011-01
影响因子:
1.1
通讯作者:
吴炜
吴炜
中科院分区:
工程技术4区
文献类型:
--
作者:
陈健;张涛;崔伟;吴炜

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提出了一种结合像素域处理和变换域处理的分布式视频编码结构,以减少量化损失。提出了一种与新结构相对应的边信息更新算法。实验结果表明,该方案带来了高达2 dB的率失真性能增益,而不牺牲编码器的复杂性显着。
A new architecture combining pixel-domain processing and transform-domain processing in distributed video coding is proposed to reduce quantisation loss. A side information updating algorithm corresponding to the new architecture is also presented. Experimental results demonstrate that the proposed scheme brings up to 2 dB gains in rate-distortion performance without sacrificing encoder complexity significantly.
DOI: 10.1109/tcsvt.2009.2022783
发表时间: 2009-09
影响因子: 8.4
作者:
R. Martins;Catarina Brites;J. Ascenso;F. Pereira
通讯作者: R. Martins;Catarina Brites;J. Ascenso;F. Pereira