采用了一种根据灰度特征进行模式匹配的跟踪算法提高了模板匹配法对于目标运动姿 态变化的自适应能力仿真结果表明上述算法在目标方向平移旋转以及图像背景对比度亮度发生改变时均能较好的检测到目标-It is presented in this paper that a modified version of it which incorporating with frame difference and multi-resolution matching. By introducing pre