Image Fusion Method Based on Multi-scale Directional Fast Guided Filter and Convolutional Sparse Representation

Author(s): Liu Xian-Hong, Chen Zhi-Bin*.

Journal Name: Recent Advances in Electrical & Electronic Engineering
Formerly Recent Patents on Electrical & Electronic Engineering

Volume 12 , Issue 3 , 2019

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Graphical Abstract:


Abstract:

Background: A multi-scale multidirectional image fusion method is proposed, which introduces the Nonsubsampled Directional Filter Bank (NSDFB) into the multi-scale edge-preserving decomposition based on the fast guided filter.

Methods: The proposed method has the advantages of preserving edges and extracting directional information simultaneously. In order to get better-fused sub-bands coefficients, a Convolutional Sparse Representation (CSR) based approximation sub-bands fusion rule is introduced and a Pulse Coupled Neural Network (PCNN) based detail sub-bands fusion strategy with New Sum of Modified Laplacian (NSML) to be the external input is also presented simultaneously.

Results: Experimental results have demonstrated the superiority of the proposed method over conventional methods in terms of visual effects and objective evaluations.

Conclusion: In this paper, combining fast guided filter and nonsubsampled directional filter bank, a multi-scale directional edge-preserving filter image fusion method is proposed. The proposed method has the features of edge-preserving and extracting directional information.

Keywords: Image fusion, fast guided filter, convolutional sparse representation, nonsubsampled directional filter bank, pulse coupled neural network, new sum of modified laplacian.

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Article Details

VOLUME: 12
ISSUE: 3
Year: 2019
Page: [263 - 269]
Pages: 7
DOI: 10.2174/2352096511666180607101743
Price: $58

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