I am an electronics and automatic systems engineer (ENSEM 1974, France). I was awarded a PhD in 1977 (University of Nancy 1, France) and a higher doctorate in computer science in the field of computer graphics in 1989 (University of Rennes 1, France). I am working on global illumination, lighting simulation for complex environments, GPU based rendering and computer vision.

I am currently Emeritus Professor at the university of Rennes 1 (France) and researcher at IRISA Rennes (Institut de Recherche en Informatique et Systèmes Aléatoires). I was the head of the FRVSense team within IRISA until September 2017. I am member of Eurographics and was member of ACM and IEEE. I was/am member of the program committee of several conferences and workshops and referee for several Computer Graphics journals such as: The Visual Computer, ACM Trans. On Graphics, IEEE Computer Graphics and Applications, IEEE Trans. On Visualization and Computer Graphics, IEEE Trans. On image processing, etc. I have also acted as a referee for many conferences and workshops. I have served as a chair/committee member/reporter for several PhD theses or higher doctorates in France and abroad (USA, UK, Belgium, Cyprus, The Netherlands, Spain, etc.). I was associate editor for the Visual Computer Journal. I am now General Chair of the VISIGRAPP Conference