Pascal Haigron is Professor at the University of Rennes 1, ESIR, Rennes, France. He received the PhD in Signal Processing and Telecommunications, from the University of Rennes 1, France, in 1993. He is a member of the Laboratory of Signal and Image Processing – Laboratoire Traitement du Signal et de l’Image “LTSI” which is a joint Research Unit of the INSERM and the University of Rennes 1. Since 2004, he is the leader of the research team IMPACT (Images and Models for Planning and AssistanCe to Therapy and surgery) at the LTSI. His research experience is related to 3D shape reconstruction, virtual endoscopy, medical image processing and registration, decision support and image guided therapy.