In view of the characteristics of the low contrast and small dimension of targets and the complexity of background in infrared image, a method of detecting and describing infrared weak target was presented with improved K L transform and generalized K L transform. Thus the infrared weak target can be detected in low signal to noise ratio.
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彭复员 周鑫杰 等.基于K—L变换的红外图像弱小目标检测与分析[J].红外与毫米波学报,2001,20(3):238~240]. PENG Fu Yuan ZHOU Xin Jie Hu Ying Song. DETECTION AND ANALYSIS OF WEAK TARGET WITH INFRARED IMAGE BASED ON K-L TRANSFORM[J]. J. Infrared Millim. Waves,2001,20(3):238~240.]