1. Laboratory-STICC, UMR 6285 CNRS, ENSTA Bretagne, Brest, France
2. School of Electronic Engineering and Computer Science, Queen Mary University of London, London, U.K.
3. CHUV, Lausanne, Switzerland
4. Département TEC/SPC, Direction générale de l’armement (DGA), Maitrise de l’information, Bruz, France