Tao Wang Yue Gao Patricia P. Wang Eric Li Wei Hu Yimin Zhang Junhai Yong Video summarization by redundancy removing and content ranking. 577-580 2007 conf/mm/2007 ACM Multimedia http://doi.acm.org/10.1145/1291233.1291375 db/conf/mm/mm2007.html#WangGWLHZY07