关于视频结构分析，总结了目前镜头分割、关键帧提出、场景边界检测的方法，基于目前算法存在的缺陷，提出了尺度不变特征变换的方法。-Video structure analysis, summed up the scene boundary detection, shot segmentation, key frame proposed scale invariant feature transform method based on the current algorithm defects.