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Volume 20, Issue 1
  • ISSN: 1573-4056
  • E-ISSN: 1875-6603
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Abstract

Background

Currently, most multimodal medical image fusion techniques focus solely on integrating the edge details of image features, often overlooking color preservation from the source images. Hence, this paper proposes a multi-channel fusion algorithm based on gradient domain-guided image filtering.

Purpose

This study aims to enhance the color preservation of source images in multimodal medical image fusion algorithms.

Methods

Utilizing gradient field-guided image filters for image smoothing, the process involves constructing different image layers, decomposing using wavelet transforms, and downsampling. Various fusion rules are then applied before inverse wavelet transformation.

Results

Regarding MSE, CCI, PSNR, SSIM, DD, SM, and other metrics, the proposed algorithm consistently ranks highest compared to alternative methods.

Conclusion

Through both subjective and objective analyses, experimental results substantiate the significant edge-preserving effects of the proposed fusion algorithm while effectively maintaining image fidelity and spectral integrity.

© 2024 The Author(s). Published by Bentham Science.
This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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/content/journals/cmir/10.2174/0115734056325441241022085037
2024-01-01
2025-04-22

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/content/journals/cmir/10.2174/0115734056325441241022085037
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Multi-modal Medical Image Fusion Approach Utilizing Gradient Domain Guided Image Filtering
Curr. Med. Imaging 20, e15734056325441 (2024); https://doi.org/10.2174/0115734056325441241022085037
/content/journals/cmir/10.2174/0115734056325441241022085037
/content/journals/cmir/10.2174/0115734056325441241022085037
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  • Article Type:     Research Article
Keyword(s): Bayesian estimation; Fuzzy logic; Guided filtering; Image fusion; Multiscale decomposition

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