Chinese Journal of Liquid Crystals and Displays, Volume. 40, Issue 7, 1067(2025)
Super-resolution of remote sensing images based on conditional prior enhancement and diffusion models
Figures & Tables(17)
Fig. 10. Comparison of overall visual effects of algorithm for scale factor ×4
Table 1. Ablation experiment
View tableView in ArticleTable 1. Ablation experiment
对照项 CA-LFE MDSC FreeU PI FID Baseline — — — 7.63 170.34 1 ＋ — — 8.28 151.86 2 ＋ ＋ — 6.18 153.71 3 ＋ ＋ ＋ 6.20 149.78
Table 2. Comparative experimental results of algorithm for scale factor ×2
View tableView in ArticleTable 2. Comparative experimental results of algorithm for scale factor ×2
数据集 评价指标 方 法 Bicubic RCAN ESRGAN SwinIR SRdiff SMFANet EDiffSR Ours RSCNN7 NIQE↓ 14.96 16.07 15.72 15.73 13.57 15.86 15.46 13.60 PI↓ 10.29 10.06 9.82 9.82 8.71 9.96 9.89 8.67 FID↓ 79.56 78.03 72.65 77.17 59.79 78.33 82.36 59.26 PSNR↑ 32.36 35.13 34.41 35.13 32.85 35.02 32.98 33.01 SSIM↑ 0.887 3 0.933 9 0.927 1 0.934 0 0.900 9 0.932 8 0.899 4 0.903 7 NWPU-RESISC45 NIQE↓ 9.11 9.59 9.48 9.51 7.57 9.79 8.90 7.22 PI↓ 7.11 6.55 6.47 6.51 5.49 6.67 6.29 5.32 FID↓ 78.33 71.02 63.02 73.15 44.11 71.24 67.74 48.40 PSNR↑ 32.09 35.75 35.69 35.70 34.01 35.59 33.36 33.56 SSIM↑ 0.906 1 0.955 0 0.955 0 0.954 6 0.936 6 0.953 3 0.924 7 0.931 9
Table 3. Comparative experimental results of algorithm for scale factor ×4
View tableView in ArticleTable 3. Comparative experimental results of algorithm for scale factor ×4
数据集 评价指标 方 法 Bicubic RCAN ESRGAN SwinIR SRdiff SMFANet EDiffSR Ours RSCNN7 NIQE↓ 15.57 17.27 17.77 18.22 7.64 17.39 15.08 8.60 PI↓ 11.42 11.45 11.29 12.08 7.63 11.80 10.30 6.20 FID↓ 172.33 200.52 217.80 194.90 170.34 194.80 195.59 149.78 PSNR↑ 27.70 29.03 28.16 29.14 26.82 28.99 26.96 27.01 SSIM↑ 0.694 4 0.763 2 0.733 5 0.767 5 0.670 3 0.760 3 0.667 5 0.679 9 NWPU-RESISC45 NIQE↓ 9.62 13.13 14.02 13.06 7.26 13.22 9.15 7.01 PI↓ 8.24 9.21 9.74 9.25 5.45 9.46 7.22 5.54 FID↓ 185.41 220.36 205.92 218.34 133.45 208.15 200.81 128.24 PSNR↑ 26.56 28.47 28.47 28.51 26.49 28.43 26.79 26.76 SSIM↑ 0.701 6 0.792 8 0.791 4 0.792 9 0.718 1 0.786 9 0.710 4 0.725 1
Table 4. Comparative experimental results of algorithm for scale factor ×8
View tableView in ArticleTable 4. Comparative experimental results of algorithm for scale factor ×8
数据集 评价指标 方 法 Bicubic RCAN ESRGAN SwinIR SRdiff SMFANet EDiffSR Ours RSCNN7 NIQE↓ 14.35 15.70 12.25 15.69 6.04 14.42 10.41 5.63 PI↓ 11.38 11.65 10.01 11.53 5.17 10.94 8.93 5.29 FID↓ 278.29 290.79 302.84 292.36 199.52 289.28 268.70 230.43 PSNR↑ 24.83 25.70 24.72 25.67 23.60 25.68 24.75 23.84 SSIM↑ 0.529 8 0.587 1 0.545 7 0.586 7 0.474 8 0.580 8 0.534 7 0.480 7 NWPU-RESISC45 NIQE↓ 12.94 15.45 15.31 15.10 6.73 14.35 10.27 6.46 PI↓ 10.72 11.19 11.28 10.99 5.59 10.75 8.94 5.55 FID↓ 286.83 322.87 323.28 323.52 247.11 316.11 295.00 237.93 PSNR↑ 23.41 24.50 24.34 24.51 22.80 24.46 23.62 22.76 SSIM↑ 0.527 4 0.599 8 0.591 5 0.600 1 0.514 4 0.593 0 0.543 6 0.508 9
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Xiao ZHAO, Guanglei DU. Super-resolution of remote sensing images based on conditional prior enhancement and diffusion models[J]. Chinese Journal of Liquid Crystals and Displays, 2025, 40(7): 1067
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Received: Feb. 26, 2025
Accepted: --
Published Online: Aug. 11, 2025
The Author Email: Guanglei DU (657396445@qq.com)
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