Wei FANG, Yan-Li QIAO, Dong-Ying ZHANG, Li-Li DU, Wei-Ning YI. Angle selection research based on multi-objectives optimized detection of clouds [J]. Journal of Infrared and Millimeter Waves, 2020, 39(3): 339
- Journal of Infrared and Millimeter Waves
- Vol. 39, Issue 3, 339 (2020)
Fig. 1. （a） The surface reflectance radiance （clear），（b） cloud reflectance & scattering （thin cloud），（c） cloud molecule scattering & radiance（thick cloud）
Fig. 2. The relationship of scattering angles with 865nm polarized reflectance for liquid droplets and ice crystals respectly in cloud
Fig. 3. Three geometrical factors may affect cloud fraction changes with viewing zenith angle
Fig. 4. The principal of multi-directional viewing by polarization spectral radiometer
Fig. 5. Pareto optimal front in objective space
Fig. 6. The Knee on Pareto optimal front
Fig. 7. Pareto optimal front of R670 dataset 1.A-knee （ideal solution）
Fig. 8. The results of cloud detection on dataset 1 for POLDER product （up），and for the proposed method （down）
Fig. 9. The results of cloud detction on dataset 2 for POLDER product （up），and for the proposed method （down）
Fig. 10. Synthetic image from original reflectance at 443,565,670 band （left）， the binary image of cloud detection by the proposed method（right）
Fig. 11. Multi-spectral contribution to cloud detection through the proposed method on DPC
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Table 1. 数据集1的R6702角度组合Pareto前沿最优解
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Table 2. 三波段二角度层理想组合结果
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Table 3. POLDER与该方法检测结果
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Table 4. 该方法与POLDER方法的评价指标比对
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