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同步多视角码流的视角可分级传输

DOI: 10.11834/jig.20091038

Keywords: 立体电视,多视角,可分级,组播

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Abstract:

网络立体电视系统不仅需要高的压缩效率,也需要能够视角可分级,这样才能够适应各种各样的终端和不同的网络环境。视角可分级既包括视角可分级编码,也包括视角可分级传输。视角可分级传输中不可避免地存在码流整形和视角同步的问题。提出了一套同步多视角可分级传输方案,将多视角码流分为3类,即主视,第二视角和其他所有视角。3类流分别通过独立的组播流进行传输,结合本文设计的码流整形和视角同步控制机制,能够有效地实现视角可分级传输,对各类多视终端都有良好的兼容性,实现传输带宽与终端类型的自适应。

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