☆ National University of Singapore (NUS), Singapore, hosted by Prof. Roger Zimmermann

☆ INRIA, University of Rennes, France , hosted by Prof. Christine Guillemot

☆ LS2N, Univesrsity of Nantes, France , hosted by Prof. Patrick Le Callet

☆ IST, Univesrsity of Lisbon, Portugal , hosted by Prof. Fernando Pereira