Infrared and Low-Light Image Fusion Based on Tetrolet and Cauchy Fuzzy Function

Fig. 5. First set of image fusion results. (a) Low-light image; (b) infrared image; (c) CVT method; (d) DTCWT method; (e) Tetrolet method; (f) our method

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Fig. 6. Second set of image fusion results. (a) Low-light image; (b) infrared image; (c) CVT method; (d) DTCWT method; (e) Tetrolet method; (f) our method

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Fig. 7. Third set of image fusion results. (a) Low-light image; (b) infrared image; (c) CVT method; (d) DTCWT method; (e) Tetrolet method; (f) our method

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Table 1. Objective evaluation indicators of first group of images
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Table 1. Objective evaluation indicators of first group of images
Fusion method SD SF EN MI Q^ABF
CVT 23.2092 6.9674 6.5240 1.5563 0.3742
DTCWT 23.4798 6.9169 6.5349 1.5852 0.4255
Tetrolet 26.5103 7.4255 6.5850 1.6002 0.4322
Our method 35.3069 7.4845 7.0742 2.3813 0.4038

Table 2. Objective evaluation indicators of second group of images
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Table 2. Objective evaluation indicators of second group of images
Fusion method SD SF EN MI Q^ABF
CVT 24.0277 6.8083 6.6177 1.3771 0.3912
DTCWT 24.8128 6.9543 6.6649 1.3886 0.4532
Tetrolet 28.1722 7.0954 6.8371 1.5063 0.4599
Our method 37.6067 7.1699 7.0642 2.2931 0.4411

Table 3. Objective evaluation indicators of third group of images
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Table 3. Objective evaluation indicators of third group of images
Fusion method SD SF EN MI Q^ABF
CVT 25.9667 7.9612 6.6189 1.5948 0.4171
DTCWT 26.7546 8.0620 6.6335 1.5475 0.4604
Tetrolet 29.7755 8.4179 6.7236 1.5739 0.4796
Our method 45.1748 8.6621 7.3063 2.8159 0.4369

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Cui Ziwei, Zhan Weida, Fu Jingqi, Wei Ranran. Infrared and Low-Light Image Fusion Based on Tetrolet and Cauchy Fuzzy Function[J]. Laser & Optoelectronics Progress, 2021, 58(6): 610001

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