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A New Fast Mode Decision Algorithm for H.264 Downscaling in Spatial Domain
Author(s): 
Pages: 26-29
Year: Issue:  6
Journal: VIDEO ENGINEERING

Keyword:  视频点播H.264标准转码;
Abstract: 给出了一种基于H.264视频转码点播系统的实现,并在此基础上提出了在压缩视频空域下采样的快速模式选择算法.它通过利用原始输入码流中的运动向量及编码模式信息来获取下采样后的相应编码信息.试验结果表明:该算法在获得与级联解码器-下采样-编码器几乎一致的视频质量情况下,大大地降低了计算复杂度.
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