In regard to speeding on expressway the authors offer a practical algorithm for detecting vehicle speed and judging overspeed behavior based on virtual video detection line,giving detailed analysis of every factor affecting the accuracy of the algorithm and the number and spacing of the detection line,the detection frequency of image picking card affecting algorithm in p.

As to the peccant overspeed behavior of vehicles in expressway,this paper studies a detection and judgment arithmetic of peccant overspeed behavior based on virtual video detection lines.

A new method using virtual trapline is proposed for traffic flow detection.

Surveillance of Taffic Flow in Tunnel Based on Virtual Detection;

Design of LabVIEW-based state virtual detection system for electromechanical equipment

A type of state virtual detection system for electromechanical equipments for is proposed in this paper, and its layered module structure and realization means are presented.

Background initialization algorithm in traffic flow video detection;

Background extraction model and shadow detection algorithm in traffic flow video detection;

Designning and realizing video detection and management system of traffic violations;