摘要
利用帧间差分获取运动区域,采用梯度阈值获取二值图像,再提取运动区域目标特征点的光流,对光流矢量采取分段标注,设置感兴趣区域。利用光流特性实现目标的识别,定位与跟踪,对于运动目标的跟踪具有实时性和鲁棒性,能够用于车流量统计,对车辆辅助行驶研究起到一定的铺垫作用,实验结果证明该算法的有效性和实用性。
Frames difference to get moving regions,gradient threshold to get binary images.extracting feature points＇optical flow of moving regions,marking optical flow vector by section,setting up ROI,using optical flow to get identification,orientation,tracking of moving target are introduced.This method has real-time and robustness to moving target tracking.It can be used in traffic flow statistics and is also a bedding of driver assistance research.Experimental results show the effectiveness and practical of this method.
出处
《科学技术与工程》
2010年第23期5814-5817,共4页
Science Technology and Engineering
关键词
差分
光流矢量
目标跟踪
辅助驾驶
difference optical flow vector tracking driver assistance
