9Th International Workshop on Content-Based Multimedia Indexing, Cbmi 2011, Date: 13 June 2011 through 15 June 2011, Location: Madrid, Patrocinadores: European Association for Signal Processing (EURASIP);IEEE Circuits and Systems Society (CAS);IEEE Advancing Technology for Humanity;Escuela Politecnica Superior;Ministerio de Ciencia e Innovacion of the Spanish Government;Universidad Autonoma de Madrid (UAM)