Up to now, more and more video materials are stored and transmitted in the compression form, so it is practical to study the shot segmentation algorithms based on compressed video data.
从实用角度看，目前越来越多的动态视频资料都是以压缩形式存储和传输，所以，研究基于压缩视频流的算法更有实际意义。
According to practical teat data, the best mix ratio and the influence significance of all mix materials are analyzed.
并根据正交试验的结果，分析了各掺合料之间的最佳组合，以及每种掺合料影响的显著性。
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