本文针对运动目标的检测和跟踪这一研究课题，深入研究了两种非常重要的检测和跟踪技术-光流技术和帧差法的检测技术，在运动目标检测和跟踪中的应用中，对光流法和帧差法的优缺点进行了实验分析，文中所描述的这两种检测和跟踪技术和方法都通过仿真实验进行了验证。(Detection and tracking of moving targets, the author of this paper the research topic, further study of the two very important detection and tracking technology of frame differential method - optical flow technology and testing technology, application in moving target detection and tracking of optical flow method and the advantages and disadvantages of frame differential method has carried on the experimental analysis, this paper describes these two kinds of detection and tracking technology and method is verified by simulation experiments.)