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多视点视频双向实时转码技术的设计与实现

DOI: 10.11834/jig.20140420

Keywords: H.264,多视点视频编码,转码,并行编码

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Abstract:

目的多视点视频编码标准MVC是国际标准组织针对3D视频制定的编码标准,支持实时编码和兼容已有H.264标准是MVC应用推广迫切需要解决的问题。方法基于拓扑排序,提出一种2维预测结构到1维参考序列的映射变换机制,利用已有的H.264编码单元技术,实现了MVC-H.264双向实时转码。结果该方法能够兼容现有的H.264编解码器,支持高清MVC实时编码。通过3D视频直播实际应用验证了方法的有效性。结论本文MVC与H.264标准间的预测参考结构映射和码流转换机制,无需设计专用芯片就能同时兼容H.264和MVC标准。

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