Infrared and Visible Image Fusion Algorithm Based on Double-Domain Transform Filter and Contrast Transform Feature Extraction

Author:

Ma Xu12,Li Tianqi2,Deng Jun1,Li Tong2,Li Jiahao2,Chang Chi2,Wang Rui2,Li Guoliang2,Qi Tianrui2,Hao Shuai2

Affiliation:

1. College of Safety Science and Engineering, Xi’an University of Science and Technology, Xi’an 710054, China

2. College of Electrical and Control Engineering, Xi’an University of Science and Technology, Xi’an 710054, China

Abstract

Current challenges in visible and infrared image fusion include color information distortion, texture detail loss, and target edge blur. To address these issues, a fusion algorithm based on double-domain transform filter and nonlinear contrast transform feature extraction (DDCTFuse) is proposed. First, for the problem of incomplete detail extraction that exists in the traditional transform domain image decomposition, an adaptive high-pass filter is proposed to decompose images into high-frequency and low-frequency portions. Second, in order to address the issue of fuzzy fusion target caused by contrast loss during the fusion process, a novel feature extraction algorithm is devised based on a novel nonlinear transform function. Finally, the fusion results are optimized and color-corrected by our proposed spatial-domain logical filter, in order to solve the color loss and edge blur generated in the fusion process. To validate the benefits of the proposed algorithm, nine classical algorithms are compared on the LLVIP, MSRS, INO, and Roadscene datasets. The results of these experiments indicate that the proposed fusion algorithm exhibits distinct targets, provides comprehensive scene information, and offers significant image contrast.

Funder

China Postdoctoral Science Foundation under Grant

Publisher

MDPI AG

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