Yang Tao, Hao Tan, Liqun Zhou. ULCF-Net: An Underwater Low-Illumination Image Enhancement Algorithm Based on a Cross-Scale Structure and Color Fusion[J]. Laser & Optoelectronics Progress, 2025, 62(2): 0237011
- Laser & Optoelectronics Progress
- Vol. 62, Issue 2, 0237011 (2025)
Fig. 1. Structure of ULCF-Net
Fig. 2. Structure of BEM
Fig. 3. Structure of artifact suppression sampling module. (a) Process of coding end sampling; (b) process of inverse operation
Fig. 4. Cross-scale connections. (a) Original cross-scale connection; (b) cross-scale connection Ⅰ; (c) cross-scale connection Ⅱ
Fig. 5. Strcture of DSMCEM
Fig. 6. Experimental results of feature points matching
Fig. 7. Subjective comparison on test set A between proposed algoritm and low light image enhancement algorithms
Fig. 8. Subjective comparison on test set A between proposed algoritm and underwater image enhancement algorithms
Fig. 9. Subjective comparison results on test set C by different algorithms
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Table 1. Comparison results on test set A between proposed algoritm and low light image enhancement algorithms
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Table 2. Comparison results on test set A between proposed algoritm and underwater image enhancement algorithms
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Table 3. Objectively evaluate results on test set C by different algorithms
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Table 4. Module to module ablation experiment
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Table 5. Cross-scale connection ablation experiment
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