利用字典学习找出图像中弱小目标，并进行背景抑制和去噪。-Learning to use a dictionary to find the image in dim target, and background suppression and noise removal.

A method based on adap t ive filtering is p ropo sed to detect dim smallmoving target s in st rong undulant clut ter background. Thismethod ut ilizes the difference between target and clut ter w ith regard to stat ist ic charac2 terist ics, the c