School of computer science and engineering Hunan University of Science and Technology Xiangtan 411201 China;
School of computer science and engineering Hunan University of Science and Technology Xiangtan 411201 China;
School of computer science and engineering Hunan University of Science and Technology Xiangtan 411201 China;
Cisco Systems Incorporated San Jose 95134 California USA;
School of computer science and engineering Hunan University of Science and Technology Xiangtan 411201 ChinaSchool of IT Deakin University Victoria 3216 Australia;
Curve traffic; turning meeting; early warning; image identification; vehicle detection;