Markos Mentzelopoulos, Alexandra Psarrou. Key-frame extraction algorithm using entropy difference. In Michael S. Lew, Nicu Sebe, Chabane Djeraba, editors, Proceedings of the 6th ACM SIGMM International Workshop on Multimedia Information Retrieval, MIR 2004, October 15-16, 2004, New York, NY, USA. pages 39-45, ACM, 2004. [doi]