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《Electronics Optics & Control》 2007-01
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An image preprocessing algorithm of small target under heavy cloud clutter background

LI Zhuo1,2,GUO Li-hong1(1.Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China;2.Graduate School of Chinese Academy of Sciences,Bejing 100049,China)  
The segmentation of small target under heavy cloud clutter background is one of the most important and difficult issues in image preprocessing.A new image preprocessing method based on high-pass filter and morphology is presented.First,the background is suppressed by high-pass filter for eliminating the influence of the cloud background on image segmentation;Then,threshold algorithm is used for converting the filtered image to binary image;Finally,the noise is eliminated by mathematical morphology method and the final segmentation result of small target was obtained.Computer simulation verified the effectiveness of this image preprocessing algorithm.
【Fund】: 中科院创新基金(Q05C06Z)
【CateGory Index】: TP391.41
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