高速公路车辆超速检测算法影响因素分析与对策研究

针对高速公路上车辆违章超速行为，给出了一种基于虚拟视频检测线的车辆速度检测与违章超速行为判定的实用算法。对影响该算法精度的各种影响因素进行了详细的分析，特别是针对检测线的数量与间距设置、图像采集卡的采集频率等对算法的影响进行了细致的讨论，并给出了算法条件下，所能检测的最高理论车速。对在应用中可能存在的漏检、误检情况，提出了解决办法。通过实验验证了该算法具有良好的适应性和较高的检测率。

Influence Factors Analysis and Countermeasure Research on Overspeed Detection Arithmetic of Vehicles on Expressway

Speeding is one of the major causes of the accidents on expressways with serious consequences,a great threat to people's life and property.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 particular,and gives maximum theoretic speed according to the algorithm.As for detection failures and errors in practice,solutions were proposed.The experiment and the research show that this algorithm is adaptable and accurate.