International Collaborations Key Laboratory of Machine Perception, Peking University (PKU), ChinaInternational Joint Research Unit at CINVESTAV Mexico UMI - LAFMIA 3175 CNRS - CINVESTAVLakeside lab – Klagenfurt, AustriaDepartment of Mathematical Science, Durham University, UKChiang Mai University, ThailandLISIN, Politecnico di Torino, ItalyUniversity of Genoa, ItalyT-AREA-SoSHarvard University, USA