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Multi-Focus Image Fusion Using Cross Bilateral Filter in NSCT Domain

Published: 16 March 2018 Publication History

Abstract

Given that the edge details of the image are not well extracted into the fused image, the cross bilateral filter (CBF) which considers both gray level similarities and geometric closeness of the neighboring pixels without smoothing edges is combined with non-subsampled contourlet transform (NSCT) in this paper for multi-focus image fusion. Firstly, the source images are decomposed into low frequency coefficients map and high frequency coefficients map through NSCT. Then the low frequency coefficients will be fused by Sum-Modified-Laplacian (SML) and the fused high frequency coefficient are obtained using CBF, and the high frequency fusion rule is a weighted average method using the weights computed from the detail images that are extracted from the two high frequency coefficient maps. Finally, the inverse NSCT is utilized to get the fused image in which all the objects are clear. At the end of this paper, in order to compare with some traditional fusion methods, some experimental results are displayed to show the superiority of this method.

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Cited By

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  • (2018)Brain CT and MRI medical image fusion scheme Using NSST And Dictionary Learning2018 IEEE 4th International Conference on Computer and Communications (ICCC)10.1109/CompComm.2018.8780625(1579-1583)Online publication date: Dec-2018

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    ICMIP '18: Proceedings of the 3rd International Conference on Multimedia and Image Processing
    March 2018
    125 pages
    ISBN:9781450364683
    DOI:10.1145/3195588
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    • Wuhan Univ.: Wuhan University, China
    • University of Electronic Science and Technology of China: University of Electronic Science and Technology of China

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    Association for Computing Machinery

    New York, NY, United States

    Publication History

    Published: 16 March 2018

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    Author Tags

    1. Cross bilateral filter
    2. NSCT
    3. SML
    4. detail image
    5. multi-focus image fusion

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    • Refereed limited

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    • National Natural Science Foundation of China

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    ICMIP 2018

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    • (2018)Brain CT and MRI medical image fusion scheme Using NSST And Dictionary Learning2018 IEEE 4th International Conference on Computer and Communications (ICCC)10.1109/CompComm.2018.8780625(1579-1583)Online publication date: Dec-2018

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