本文首先分析了目标跟踪中常用的基于匹配的跟踪算法，然后从其判定函数 以及模板更新两方面出发来提高跟踪的稳定性；通过改进匹配搜索策略提高算法 实时性-In this paper analysis the algorithm which based on traditional correlation, then consider the satiable of tracking correlation and template update. We prove the s