Dr. Emmanouil Kafetzakis presented a full paper at IEEE International Symposium on Multimedia (ISM), held at Anaheim Marriott Hotel, California, U.S.A., 9-11 December 2013. The ISM conference is an international forum for researchers to exchange information regarding advances in the state of the art and practice of multimedia computing, as well as to identify the emerging research topics and define the future of multimedia computing. The paper, entitled “The Impact of Video Transcoding Parameters on Event Detection for Surveillance Systems”, explains the need for transcoding and studies different video quality metrics. Commonly used algorithms for motion and person detection are More >