Journal of Atmospheric and Environmental Optics, Volume. 18, Issue 4, 371(2023)
Cloud detection of GF-5 remote sensing image based on multimodal fusion
Figures & Tables(9)
Fig. 5. Comparison of visualization experimental results of different methods
Fig. 6. Visualization of cloud detection results. (a) Remote sensing imagery of thin cloud areas; (b) ground truth; (c) the results using reflectance information as input; (d) the results using reflectance and polarization information
Table 1. Characteristics of DPC data bands
View tableView in ArticleTable 1. Characteristics of DPC data bands
波段/nm 波段宽度/nm 偏振与否 443 443～453 否 490 480～500 是 565 555～575 否 670 660～680 是 763 758～768 否 765 745～785 否 865 845～885 是 910 900～920 否
Table 2. Cloud detection accuracy of different methods
View tableView in ArticleTable 2. Cloud detection accuracy of different methods
实验方法 PA/% PCA/% Rcall/% MIoU/% FCN 88.64 84.53 88.51 79.16 SegNet 86.23 80.58 90.91 75.74 DeepLab v1 91.89 88.70 91.78 84.62 U-Net 92.13 94.10 93.67 84.31 DANet 90.12 86.22 90.10 81.58 BiSeNet 91.29 88.04 90.93 83.55 This work 93.91 95.54 94.99 87.62
Table 3. Cloud detection results of ablation experiments
View tableView in ArticleTable 3. Cloud detection results of ablation experiments
实验组别 实验方法 PA/% PCA/% Rcall/% MIoU/% (a) 3DU-Net + R 90.84 90.61 94.89 82.26 (b) 3DU-Net + R+ P 92.13 94.10 93.67 84.31 (c) 3DU-Net + CSAM + R 92.56 91.57 91.70 86.01 (d) 3DU-Net + CSAM + R + P 93.09 92.05 92.03 86.33 (e) 3DU-Net + CSAM + iAFF + R 93.33 92.52 92.48 87.36 (f) 3DU-Net + CSAM + iAFF + R + P 93.91 95.54 94.99 87.62
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Sugui ZHANG, Jingjing ZHANG, Lina XUN, Xiaobing SUN, Wei XIONG, Qing YAN, Sui LI. Cloud detection of GF-5 remote sensing image based on multimodal fusion[J]. Journal of Atmospheric and Environmental Optics, 2023, 18(4): 371
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Received: Oct. 31, 2022
Accepted: --
Published Online: Aug. 24, 2023
The Author Email: ZHANG Jingjing (874878644@qq.com)
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