By using on-line unsupervised clustering, key frames can be automatically chosen.Then in the same way, key shots can be acquired from the frames with an appropriate self-adjusting method.

• 本文用非监督学习方法中的在线聚类算法自动提取镜头的关键帧，以相似方法对关键帧进行聚类以自动提取关键镜头，并对分类结果进行自我调整。