航迹识别，用到改进的近邻搜索算放，双线性插值，BP预测等方法-Track identification, use the search operator to improve the neighbor put, bilinear interpolation, BP prediction method

SOBEL以及bilinear interpolation的源碼支援，可以在使用的程式上加入即可使用該功能。-SOBEL and bilinear interpolation of the source support, you can use to add the program to use this feature.