Michael Unser is Professor and Director of EPFL's Biomedical Imaging Group. His main research area is biomedical image processing. He has a strong interest in sampling theories, multiresolution algorithms, wavelets, and the use of splines for image processing. He is the author of over 150 published journal papers in these areas, and is one of ISI’s Highly Cited authors in Engineering.
More info: Michael Unser' research page