扩展窗口喷泉码与分层网络码在可扩展视频编码中的性能比较

2014 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2014-12-15 DOI:10.1109/ICTC.2014.6983184

T. Bui, Phuc Chau, Chunsoo Ahn, Jitae Shin

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引用次数: 0

摘要

近年来，为了实现多媒体数据的可靠传输，网络编码和信道编码被广泛应用于可扩展视频编码。网络编码作为层次网络编码(HNC)，为可扩展层提供不平等擦除保护，解决了由高到低的逐层解码过程。与该方案类似，设计了扩展窗口喷泉(EWF)代码，以灵活高效地解决实时可扩展的视频组播问题。在本文中，我们研究了EWF编码和HNC编码在有损分组网络上用于可扩展视频编码的性能。实验结果表明，EWF编码在好信道和坏信道下都比HNC编码具有更好的性能。

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A performance comparison between expanding window fountain and hierarchical network codes in scalable video coding

Recently, network coding and channel coding are widely applied for scalable video coding in order to achieve the reliable transmission of multimedia data. Network coding as hierarchical network coding (HNC) provides unequal erasure protection for scalable layers and addresses the process of decoding layer by layer from higher to less importance. Similar with that scheme, expanding window fountain (EWF) code is designed for flexible and efficient solution of real-time scalable video multicast. In this paper, we investigate the performance of EWF coding and HNC for scalable video coding over lossy packet networks. The experimental results show that EWF coding achieves better performance than HNC in both good and bad channels.

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2014 International Conference on Information and Communication Technology Convergence (ICTC)

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