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A new algorithm of image fusion |
Wu Yan①; Li Ming②; Liang Jimin①; Yang Wanhai① |
①School of Electronic Engineering Xidian University Xi an 710071 China;②Institute of Electonic Engineering Xi an 710071 China |
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Abstract A new algorithm is developed to merge a high-resolution panchromatic image and a low-resolution multi-spectral image based on the combination of multi-resolution wavelet, decomposition, evolutionary strategy and the IHS transform. The high-resolution panchromatic image is firstly decomposed to the wavelet planes, then the region is divided by the wavelet planes and the proposed merging algorithm is done by adding edge influence factor in different region. The proposed method is compared with the IHS and the MWD methods. The results of the comparison show the proposed merger performing the best in combining and preserving spectral-spatial information for the test images.
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Received: 12 July 2001
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