That subtracts nothing from his merit.

那丝毫没有的功绩。

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目标的检与跟踪,提出了一种利用多窗口、尺度、次差影目标图像的快速检与跟踪方法。