Dongyu Xu, Xiaorun Li, Liaoying Zhao, Rui Shu, Qijia Tang. Hyperspectral Remote Sensing Image Cloud Detection Based on Spectral Analysis and Dynamic Fractal Dimension[J]. Laser & Optoelectronics Progress, 2019, 56(10): 101003
- Laser & Optoelectronics Progress
- Vol. 56, Issue 10, 101003 (2019)
Fig. 1. Remote sensing image with thick clouds, thin clouds, snow, sea, and land and their spectral curves. (a) Remote sensing image; (b) spectral curves
Fig. 2. Flow chart of cloud detection algorithm based on dynamic fractal dimension and radiation characteristics
Fig. 3. Sample images of remote sensing cloud detection. (a) Sample A; (b) sample B; (c) sample C; (d) sample D; (e) sample E; (f) sample F; (g) sample G; (h) sample H
Fig. 4. True value cloud maps. (a) Sample A; (b) sample B; (c) sample C; (d) sample D; (e) sample E; (f) sample F; (g) sample G; (h) sample H
Fig. 5. Detection results of MRC algorithm. (a) Sample A; (b) sample B; (c) sample C; (d) sample D; (e) sample E; (f) sample F; (g) sample G; (h) sample H
Fig. 6. Detection results of DFD_RC algorithm. (a) Sample A; (b) sample B; (c) sample C; (d) sample D; (e) sample E; (f) sample F; (g) sample G; (h) sample H
Fig. 7. Partially enlarged images of MRC algorithm. (a) Sample B; (b) sample H; (c) sample G; (d) sample C
Fig. 8. Partially enlarged images of DFD_RC algorithm. (a) Sample B; (b) sample H; (c) sample G; (d) sample C
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Table 1. Information of remote sensing cloud detection sample images
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Table 2. Cloud content ratios of true value cloud maps %
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Table 3. Detection results of cloud content%
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Table 4. Classification indexes
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