Laser & Optoelectronics Progress, Volume. 60, Issue 14, 1410009(2023)
Low-Light Image-Enhancement Algorithm Based on Homomorphic Frequency Division Aggregation
Fig. 1. Network structure diagram of basic residual module
Fig. 2. Low-light image enhancement algorithm based on homomorphic frequency division aggregation
Fig. 3. 3D diagrams of filter's transfer function. (a) 3D diagram of high-pass filter's transfer function; (b) 3D diagram of low-pass filter's transfer function
Fig. 4. Detail enhanced network
Fig. 5. Enhancement effects of zebra image using different algorithms
Fig. 6. Enhancement effects of building image using different algorithms
Fig. 7. Comparison of objective indicators of different algorithms on synthetic dataset
Fig. 8. Enhancement effects of doll image using different algorithms
Fig. 9. Enhancement effects of room image using different algorithms
Fig. 10. Comparison of objective indicators of different algorithms on real datasets
Fig. 11. Output image comparison of missing different modules. (a) Input image; (b) lack of detail enhancement module; (c) lack of brightness enhancement module; (d) lack of local adaptive network; (e) output image of HFNet; (f) reference image
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Yali Zhang, Shaobo Ding, Changlu Li, Xinming Yao, Wenyuan Li. Low-Light Image-Enhancement Algorithm Based on Homomorphic Frequency Division Aggregation[J]. Laser & Optoelectronics Progress, 2023, 60(14): 1410009
Category: Image Processing
Received: Mar. 22, 2022
Accepted: Sep. 5, 2022
Published Online: Jul. 17, 2023
The Author Email: Li Changlu (3383928167@qq.com)