In order to detect and track dim-point targets under the complex background of sky, a high speed method is put, which uses multiwindow, little yardstick, repetitious subtracting and fusing images.

针对复杂天空背景下弱点检测与跟踪,提出一种利用多窗口、、差影融合点图像快速检测与跟踪方法。