Yuanxue Xin, Fengting Zhu, Pengfei Shi, Xin Yang, Runkang Zhou. Super-Resolution Reconstruction Algorithm of Images Based on Improved Enhanced Super-Resolution Generative Adversarial Network[J]. Laser & Optoelectronics Progress, 2022, 59(4): 0420002
- Laser & Optoelectronics Progress
- Vol. 59, Issue 4, 0420002 (2022)
Fig. 1. Improved structures of ESRGAN feature extraction module. (a) RB; (b) RRDB; (c) DB
Fig. 2. Basic block of generative network. (a) MDB with attention mechanism (MADB); (b) multi-scale feature extraction block(MFEB)
Fig. 3. Structure of the ECA module
Fig. 4. RR-MADB structure
Fig. 5. Generative network structure
Fig. 6. Discriminant network structure
Fig. 7. 2× super-resolution reconstruction results of each algorithm. (a) Original images; (b) high resolution images; (c) Bicubic;(d) FSRCNN; (e) ESRGAN; (f) Ours-L1; (g) Ours
Fig. 8. 4× super-resolution reconstruction results of each algorithm. (a) Original images; (b) high resolution images; (c) Bicubic;(d) FSRCNN; (e) ESRGAN; (f) Ours-L1; (g) Ours
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Table 1. Comparison of PSNR values of the 2× and 4× reconstructed results of each algorithm
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Table 2. Comparison of SSIM values of the 2× and 4× reconstructed results of each algorithm
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