Yann Cointepas is a Ph.D. student at the École Nationale Supérieure des Télécommunications, Paris, France. His research interests include 3D image and object processing, computational and discrete geometry, and medical imaging. He received a Bs in computer science and a master in Cognitive Sciences from Université Paris XII, Orsay, France, and a master in Image and Signal processing from Université de Cergy-Pontoise, France.