the video segmentation的用法和樣例：
例句
- Video segmentation is to separate the meaningful object semantically from video sequences.
視頻分割就是從視頻序列中分割出在語義上有意義的對象。 - A large number of video segmentation techniques have been developed in recent years.All of them can be classified into two groups, uncompressed field and compressed field.
近年來在視頻分割領域出現了大量演算法，這些演算法總體上來說可以分為壓縮域和非壓縮域兩類。
