He received an engineering degree from École Polytechnique, Paris, in 1984 and a Ph.D. in computer science from the University of Orsay in 1989.

Before that, he worked at SRI International and at INRIA Sophia-Antipolis as a computer scientist.

He is best known for developing innovative methods for 3D reconstruction of deformable surfaces from monocular image sequences, for detecting and matching image keypoints, and for video-based people tracking.

He has cofounded three spinoff companies: Pix4D,[1][2] PlayfulVision (acquired by SecondSpectrum),[3] and NeuralConcept.

[4] He has been an Associate Editor of IEEE journal Transactions for Pattern Analysis and Machine Intelligence[5] from 2004 to 2008 and often serves as program committee member, area chair, and program chair of major vision conferences.