人体运动视觉分析主要包括运动目标检测、 运动 目标分类 、 人体运动跟踪、 人体行为识别与描述四个环

节 ， 在多领域具有广阔的应用前景． 本文从上述四个方面综述了人体运动分析的研究现状， 对人体运动分析的热点

难点进行讨论 ， 对可能的发展方向进行阐述和展望．-Visual analysis includes moving object detection,moving object classfication,human tracking and activity recognition and descr iption. It has broad application prospects in many fields, such as　smart vision surveillance,visual reality, intelligent human-computer interface,video compression and computer-aided clinical diagnosis. Acomprehensive survey on vision-based human motion analysis is presented from the above four aspects,and the challenges and future directions are discussed.