Haitao Wang, Yichen Wang, Yongqiang Wang, Yurong Qian. Cloud Detection of Landsat Image Based on MS-UNet[J]. Laser & Optoelectronics Progress, 2021, 58(14): 1401002
- Laser & Optoelectronics Progress
- Vol. 58, Issue 14, 1401002 (2021)
Fig. 1. UNet network structure
Fig. 2. UNet feature extraction module
Fig. 3. Multi-scale feature extraction module
Fig. 4. Schematic diagrams of activation function. (a) ReLU function: max(x,0); (b) FReLU function: max[x,T(x)]
Fig. 5. Flowchart of improved UNet
Fig. 6. Flowchart of improved UNet
Fig. 7. Curves of train loss
Fig. 8. Comparison of results of improved modules. (a) (b) Broken clouds; (c) (d) thin clouds
Fig. 9. Comparison of cloud detection results of different methods. (a) (b) Broken clouds; (c) (d) thin clouds
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Table 1. Index comparison results between improved algorithm and original algorithms
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Table 2. Comparison of indicators of different algorithms
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