Acta Photonica Sinica, Volume. 52, Issue 4, 0428001(2023)
Image Quality Evaluation Method for Optical Remote Sensing Satellite Based on an Array of Point Sources
Figures & Tables(10)
Table 1. Distances of ground adjacent reflected point source
View tableView in ArticleTable 1. Distances of ground adjacent reflected point source
Direction Segment Distance/m Segment Distance/m Segment Distance/m Linear array P1-P5 35.875 0 P5-P9 35.863 5 P9-P13 35.877 9 P2-P6 35.871 0 P6-P10 35.867 6 P10-P14 35.870 2 P3-P7 35.851 9 P7-P11 35.913 4 P11-P15 35.876 1 P4-P8 35.861 0 P8-P12 35.874 9 P12-P16 35.869 7 Flight P1-P2 35.878 2 P2-P3 35.874 5 P3-P4 36.262 9 P5-P6 35.843 2 P6-P7 35.905 1 P7-P8 36.252 8 P9-P10 35.854 9 P10-P11 35.896 3 P11-P12 36.237 6 P13-P14 35.909 1 P14-P15 35.860 3 P15-P16 36.238 8
Table 2. Pixel coordinates of reflected point source image
View tableView in ArticleTable 2. Pixel coordinates of reflected point source image
Parameter P1 P2 P3 P4 P5 P6 P7 P8 X0/Pixel 633.788 633.671 633.452 633.508 644.890 644.737 644.582 644.503 Y0/Pixel 554.143 564.266 574.443 584.907 554.335 564.450 574.611 584.885 Parameter P9 P10 P11 P12 P13 P14 P15 P16 X0/Pixel 656.135 655.958 655.745 655.620 667.289 667.138 666.954 666.711 Y0/Pixel 554.492 564.712 574.886 585.131 554.699 564.910 575.051 585.298
Table 3. Ground pixel resolution
View tableView in ArticleTable 3. Ground pixel resolution
Direction Segment Ground pixel resolution/m Segment Ground pixel resolution/m Segment Ground pixel resolution/m Linear array P1-P5 3.230 9 P5-P9 3.189 0 P9-P13 3.216 0 P2-P6 3.241 1 P6-P10 3.195 6 P10-P14 3.207 9 P3-P7 3.220 8 P7-P11 3.216 2 P11-P15 3.200 3 P4-P8 3.261 6 P8-P12 3.226 2 P12-P16 3.233 8 Average 3.22 Standard deviation 0.020 6 Relative standard deviation 6.4‰ Flight P1-P2 3.544 0 P2-P3 3.524 2 P3-P4 3.465 4 P5-P6 3.543 2 P6-P7 3.533 2 P7-P8 3.528 5 P9-P10 3.507 8 P10-P11 3.527 5 P11-P12 3.536 8 P13-P14 3.516 3 P14-P15 3.535 6 P15-P16 3.535 5 Average 3.52 Standard deviation 0.021 5 Relative standard deviation 6.1‰
Table 4. Co-linear detection
View tableView in ArticleTable 4. Co-linear detection
Direction Co-linear relationship Result Co-linear relationship Result Linear array P1P5+P5P9－P1P9 3.10×10-5 P5P9+P9P13－P5P13 5.91×10-5 P1P9+P9P13－P1P13 3.22×10-5 P1P5+P5P13－P1P13 4.04×10-5 P2P6+P6P10－P2P10 1.26×10-4 P6P10+P10P14－P6P14 8.90×10-5 P2P10+P10P14－P2P14 1.97×10-5 P2P6+P6P14－P2P14 5.65×10-5 P3P7+P7P11－P3P11 2.53×10-4 P7P11+P11P15－P7P15 2.75×10-4 P3P11+P11P15－P3P15 9.89×10-5 P3P7+P7P15－P3P15 7.77×10-5 P4P8+P8P12－P4P12 1.61×10-3 P8P12+P12P16－P8P16 1.39×10-4 P4P12+P12P16－P4P16 8.96×10-5 P 4P8+P8P16－P4P161.51×10-3 Flight P1P2+P2P3－P1P3 2.52×10-4 P2P3+P3P4－P2P4 1.86×10-3 P1P3+P3P4－P1P4 1.66×10-3 P1P2+P2P4－P1P4 4.02×10-5 P5P6+P6P7－P5P7 4.17×10-8 P6P7+P7P8－P6P8 1.46×10-4 P5P7+P7P8－P5P8 1.92×10-4 P5P6+P6P8－P5P8 4.57×10-5 P9P10+P10P11－P9P11 3.33×10-5 P10P11+P11P12－P10P12 1.94×10-4 P9P11+P11P12－P9P12 1.63×10-4 P9P10+P10P12－P9P12 2.0×10-6 P13P14+P14P15－P13P16 2.86×10-5 P14P15+P15P16－P14P16 7.9×10-5 P13P15+P15P16－P13P16 1.79×10-4 P13P14+P14P16－P13P16 1.29×10-4
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Yujun ZHENG, Weiwei XU, Xin LI, Xiaolong SI, Baoyun YANG, Liming ZHANG. Image Quality Evaluation Method for Optical Remote Sensing Satellite Based on an Array of Point Sources[J]. Acta Photonica Sinica, 2023, 52(4): 0428001
Paper Information
Category: Remote Sensing and Sensors
Received: Oct. 14, 2022
Accepted: Dec. 27, 2022
Published Online: Jun. 21, 2023
The Author Email: XU Weiwei (weilxu@aiofm.ac.cn)
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