该方法先将视频序列分割出前景对象与背景对象，然后分别针对分割出来的前景对象与背景对象进行压缩，而此时背景就可以只压缩一帧或者关键几帧。

In this algorithm, the foreground objects and background are divided and then compressed separately. We only need to compress one or several background of key frames.

youdao

该方法先将视频序列分割出前景对象与背景对象，然后分别针对分割出来的前景对象与背景对象进行压缩，而此时背景就可以只压缩一帧或者关键几帧。

In this algorithm, the foreground objects and background are divided and then compressed separately. We only need to compress one or several background of key frames.

youdao