强激光与粒子束2013，Vol.25Issue(1)：37-41,5.DOI:10.3788/HPLPB20132501.0037
基于波原子变换的红外复杂背景杂波抑制算法
Infrared complex background clutter suppression algorithm based on wave atom transform
摘要
Abstract
A background suppression algorithm based on the wave atom transform (WAT) is proposed to remove the com-plex background clutter in the detection technique of dim and small targets in infrared images. WAT is used to decompose the input image, and to extract multi-scale and multi-direction detail features of the original image. According to the difference between ' the target and background clutter signal, each coefficient of the WAT decomposed level is modified by the frequency domain adjustment function, then the predicted background image is reconstructed using wave atom inverse transform. Finally, the result image is obtained by subtracting the background image from the original image. Experimental results demonstrate that the proposed algorithm can highlight targets, improve signal-to-clutter ratio, and suppress complicated background clutter in infrared images with dim and small targets effectively, when compared with the max-median and wavelet algorithms.关键词
红外图像/背景抑制/波原子变换/功率谱Key words
infrared image/ background suppression/ wave atom transform/ power spectrum分类
信息技术与安全科学引用本文复制引用
白宏刚,张建奇,王晓蕊..基于波原子变换的红外复杂背景杂波抑制算法[J].强激光与粒子束,2013,25(1):37-41,5.基金项目
国家自然科学基金项目(61007014) （61007014）
航空科学基金项目(2010181004) （2010181004）
中央高校基本科研业务费专项资金项目(K50510050001) （K50510050001）
