介绍了红外成像波门形心跟踪算法的原理，通过建立跟踪误差模型，讨论分析了红外成

像波门形心跟殊算法的误差，当误判概率越小，波门内目标像素越多，背景像素越少时，形心跟踪误差越小 当信噪比越大，相关搜索的次数越少，相关运算的像素总数越多时，正确匹配系数越高。试验证明，该算法不仅能减小跟踪误差，而且能提高跟踪的精确度和稳定性。

-Infrared imaging gate centroid tracking algorithm principle, through the establishment of the tracking error model to discuss the analysis of infrared imaging gate-shaped heart with a special algorithm error, misjudgment probability of the smaller waves door target, the more pixels, the background The more pixels is low, the smaller the tracking error of the centroid of the less　when the signal to noise ratio the greater the number of search related to computing the total number of pixels for a long time more correctly match the higher the coefficient. The tests show that the algorithm can not only reduce the tracking error, but also improve the tracking accuracy and stability.