1. School of Computer Science and Technology, Anhui University,Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education,Hefei,China
2. College of Electrical Engineering, Anhui Polytechnic University,Wuhu,China
3. Graduate School of Computer Science and Systems Engineering, Kyushu Institute of Technology,Fukuoka,Japan
4. LIRMM, University of Montpellier / CNRS,Montpellier,France