1. French-German Research Institute of Saint-Louis, Advanced Visionics and Processing, 5 Rue du General Cassagnou, 68301 Saint-Louis, France
2. University of Wisconsin, Laboratory for Optical and Computational Instrumentation, 1675 Observatory Drive, Madison, Wisconsin 53706, United StatescMorgridge Institute for Research, 330 North Orchard Street, Madison, Wisconsin 53715, United States