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Multiple Description Coding for Video Delivery

机译:视频交付的多描述编码

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摘要

Multiple description coding (MDC) is an effective means to combat bursty packet losses in the Internet and wireless networks. MDC is especially promising for video applications where retransmission is unacceptable or infeasible. When combined with multiple path transport (MPT), MDC enables traffic dispersion and hence reduces network congestion. This paper describes principles in designing MD video coders employing temporal prediction and presents several predictor structures that differ in their tradeoffs between mismatch-induced distortion and coding efficiency. The paper also discusses example video communication systems integrating MDC and MPT.
机译:多描述编码(MDC)是解决Internet和无线网络中突发数据包丢失的有效方法。对于无法接受或无法进行重传的视频应用,MDC特别有前途。与多路径传输(MPT)结合使用时,MDC可以实现流量分散,从而减少网络拥塞。本文介绍了使用时间预测设计MD视频编码器的原理,并介绍了几种预测器结构,这些结构在失配引起的失真和编码效率之间的权衡取舍。本文还讨论了集成MDC和MPT的示例视频通信系统。

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