1. Hubei Key Laboratory of Optical Information and Pattern Recognition, School of Mechanical and Electrical Engineering, Wuhan Institute of Technology, Wuhan430073, China
2. School of Mechanical and Electrical Engineering, Hubei Polytechnic University, Huangshi435003, China
3. Hubei Key Laboratory of Intelligent Transportation Technology and Device (Preparatory), Hubei Polytechnic University, Huangshi435003, China