1. Department of Information and Communication Technologies, Universitat Pompeu Fabra, Barcelona, Spain
2. trevor.canham@upf.edu
3. Computer Vision Center and the Computer Sciences Department at Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Spain
4. javier.vazquez@cvc.uab.cathttp://www.jvazquez-corral.net
5. Grenoble INP – Phelma, France
6. elise.mathieu1@grenoble-inp.org
7. Instituto de óptica, Spanish National Research Council (CSIC), Spain
8. marcelo.bertalmio@csic.es