Computer Science ›› 2016, Vol. 43 ›› Issue (7): 297-302.doi: 10.11896/j.issn.1002-137X.2016.07.055

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Fusion Algorithm of Multispectral and Panchromatic Image Using Guided Filter and Imaging System Characteristics

LI Xu-han, DONG An-guo and FENG Jian-hu   

  • Online:2018-12-01 Published:2018-12-01

Abstract: In order to improve the quality of multispectral and panchromatic image fusion,a fusion algorithm of multispectral and panchromatic image using the guided filter and imaging system characteristics was proposed.First of all,it adoptes the guide filter to establish the relationship between lower quality panchromatic image and multispectral image,and uses this relationship to interpolat the multispectral image.After that,multispectral and panchromatic images are proceeded division and NSCT transformation,and then the feature of LCCS,FOCC and image imaging system are combined for image region merging of high frequency coefficient.Finally,by NSCT inverse transformation,fusion image can be gotten.Numerical experiment shows that the algorithm not only retains the multispectral image spectrum information,but also injects the panchromatic image details into the fusion image as much as possible,improving the effect of the multispectral image fusion.

Key words: Image fusion,Guide filter,Characteristics of the imaging system,NSCT transformation,Watershed segmentation,FOCC,Correlation coefficient

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