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《Computer Engineering and Applications》 2010-06
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Multi-focus image fusion method based on multi-wavelet transform

ZHU Si-rong,WANG Ying-chun School of Sciences,Wuhan University of Technology,Wuhan 430070,China  
The key problem in multi-focus image fusion is how to keep the detail and edge in the original image.Based on the features of more decomposing sub-images generated by the multi-wavelet analysis function,a new image fusion method is proposed in this paper.In wavelet domain,different fusion rules are adopted for low frequency coefficient and high frequency coefficient.The rule of average method is used to fuse low frequency coefficient and the contrast of edge gradient for high frequency coefficient.The experiments demonstrate that this method can save the edge of original image and improve the result.
【Fund】: 国家自然科学基金(No.10672128 No.50878169);; the National Natural Science Foundation of China under Grant No.10672128 No.50878169
【CateGory Index】: TP391.41
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