Unsupervised Infrared Image and Visible Image Fusion Algorithm Based on Deep Learning

Fig. 3. Experiments on "street" images. (a) Infrared image; (b) visible light image; (c) fusion result of experiment 1; (d) fusion result of experiment 2; (e) fusion result of experiment 3

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Fig. 4. Experiments on "man" images. (a) Infrared image; (b) visible light image; (c) fusion result of experiment 1; (d) fusion result of experiment 2; (e) fusion result of experiment 3

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Fig. 5. Experiments on 3 pairs of images. (a) Infrared images; (b) visible light images; (c) fusion results of experiment 1; (d) fusion results of experiment 2; (e) fusion results of experiment 3

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Fig. 6. Experiments with different algorithms on "street" images

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Fig. 7. Experiments with different algorithms on "man" images

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Fig. 8. Experiments with different algorithms on 6 pairs of images

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Table 1. Average quality metrics of 21 fused images in different experiments
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Table 1. Average quality metrics of 21 fused images in different experiments
Experiment EN SD VIF MI $Q_{a b f}$ SCD
Experiment 1 6.5949 63.7026 0.6107 13.1898 0.5764 1.7738
Experiment 2 6.7190 71.7095 0.6483 13.4379 0.5683 1.7631
Experiment 3 6.7969 79.6500 0.6739 13.5938 0.6023 1.8067

Table 2. Average index of 21 fused images

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Table 2. Average index of 21 fused images

Algorithm	EN	SD	VIF	MI	$Q_{a b f}$	SCD
DCHWT	6.5678	64.9789	0.5056	13.1355	0.4659	1.6099
JSR	6.3644	74.1159	0.6407	12.7287	0.3593	1.7517
GTF	6.6353	67.6260	0.4136	13.2707	0.4247	1.0134
WLS	6.6407	70.5889	0.7287	13.2814	0.5008	1.7961
CSR	6.2587	50.7437	0.3922	12.5174	0.5348	1.6482
VGGML	6.1819	48.1385	0.2949	12.3639	0.3677	1.6348
DenseFuse	6.7247	66.0013	0.6601	13.4493	0.4009	1.8083
FusionGAN	6.3629	54.3575	0.4535	12.7257	0.2183	1.4569
IFCNN	6.5955	66.8758	0.5903	13.1909	0.5033	1.7137
Proposed algorithm	6.7969	79.6500	0.6739	13.5938	0.6023	1.8067

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Guoyang Chen, Xiaojun Wu, Tianyang Xu. Unsupervised Infrared Image and Visible Image Fusion Algorithm Based on Deep Learning[J]. Laser & Optoelectronics Progress, 2022, 59(4): 0410010

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