Chao Xia, Honglian Huang, Xiaobing Sun, Xiao Liu, Haixiao Yu, Yichen Wei. Atmospheric Correction in Mountainous Areas Based on Environmental Satellite CCD Images[J]. Laser & Optoelectronics Progress, 2023, 60(10): 1028001
- Laser & Optoelectronics Progress
- Vol. 60, Issue 10, 1028001 (2023)
Fig. 1. Normalized spectral response curves of each spectrum segment of CCD3 camera
Fig. 2. Atmospheric correction process of remote sensing images in mountainous areas based on Environmental Satellite
Fig. 3. Remote sensing image and DEM data after pretreatment. (a) Multispectral remote sensing image of region A to be corrected; (b) DEM matched by region A; (c) multispectral remote sensing image of region B to be corrected; (d) DEM matched by region B
Fig. 4. Topographic factors of regions A and B. (a) Slope of region A; (b) aspect of region A; (c) sky view factor of region A; (d) illumination angle of region A; (e) slope of region B; (f) aspect of region B; (g) sky view factor of region B; (h) illumination angle of region B
Fig. 5. Images of regions A and B before and after correction. (a) Image of region A before correction; (b) image of region A after correction; (c) image of region B before correction; (d) image of region B after correction
Fig. 6. Image entropy of region B before and after correction
Fig. 7. Image contrast of region B before and after correction
Fig. 8. Image definition of region B before and after correction
Fig. 9. Regression curves of cosine values of illumination angle and images in different bands before and after correction. (a) Band 1 before correction; (b) band 1 after correction; (c) band 2 before correction; (d) band 2 after correction; (e) band 3 before correction; (f) band 3 after correction
Fig. 10. Spectral curves of different features before and after correction. (a) Withered grass; (b) Chinese pine;（c）fruit tree
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Table 1. Band setting of atmospheric calibrator
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Table 2. 6S model input parameters
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Table 3. Error analysis of different features before and after correction
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