1. a University of Maryland Institute for Advanced Computer Studies (UMIACS) , College Park , Maryland , USA
2. b MIT Media Lab , Cambridge , Massachusetts , USA
3. c Telekom Innovation Laboratories and Department of Information Systems Eng. , Ben-Gurion University , Beer Sheva , Israel
4. d Transportation Research Institute, Technion–Israel Institute of Technology , Haifa , Israel
5. e Civil and Environmental Engineering, Technion, and the Goldstein UAV and Satellite Center , Haifa , Israel