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《Journal of Xiamen University of Technology》 2010-01
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Image Fusion Based on Gradient and Energy

ZHANG Hong-yi1,YANG Wen2,LIN Yong-ping1(1.Faculty of Electronic and Electric Engineering,Xiamen University of Technology,Xiamen 361024,China;2.School of Electronics and Information Engineering,Henan University of Science and Technology,Luoyang 471023,China)  
Algorithms based on gradient for image fusion only consider high-frequency information changes of the images,and neglect the richness of high-frequency information.To solve this problem,the new kind of image fusion algorithm based on gradient and energy is proposed in this article.The algorithm on this paper takes into account the changes in high-frequency information and the richness of high-frequency information,and effectively guarantees the richness of image information.When the two images change in the larger high-frequency coefficients,we use gradient for decision-making.When the two images of the high-frequency coefficients changed little,we use energy of the high-frequency for decision-making.Experiments show that the algorithm presentel in this paper ensures information of fused images well.
【Fund】: 福建省教育厅科技项目(JA09215)
【CateGory Index】: TP391.41
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