Prof. Kacem Chehdi received his Ph.D. and HDR “Habilitation à Diriger des Recherches” degrees in Signal Processing from the University of Rennes 1, France, in 1986 and 1992, respectively. He is currently with the University of Rennes 1. He is full Professor of Signal and Image Processing since 1993. From 1998 to 2003, he was the director of the Laboratory for Analysis of Information Processing Systems (LASTI). From 2004 he leads the laboratory of Signal and Multicomponent and Multimodal Image Processing (TSI2M). His research interests include blind restoration, unsupervised classification, and adaptive systems of optimized decision-making.