Optics and Precision Engineering, Volume. 29, Issue 12, 2924(2021)
Geometric correction of optical remote sensing satellite images captured by linear array sensors circular scanning perpendicular to the orbit
Figures & Tables(14)
Fig. 1. Schematic diagram of linear array circular scanning imaging principle
Table 1. Main parameters of simulated images
View tableView in ArticleTable 1. Main parameters of simulated images
参数 数值 轨道高度/km 600 相机焦距/mm 4 000 相机CCD探元数 80 000 星下点分辨率/m 1 边缘处分辨率/m 3 影像幅宽/km 沿轨方向：
160（星下点）
360（边缘）
垂轨方向：2 000
影像大小/GB 312 定轨精度/m 5（中误差） 姿态测量精度/（″） 20（中误差）
Table 2. Image matching time-consuming statistics
View tableView in ArticleTable 2. Image matching time-consuming statistics
影像 同名点数 耗时/s 印度模拟影像1粗纠正结果 15 202 1 899 印度模拟影像2粗纠正结果 14 998 1 703
Table 3. Accuracy statistics of coarse correction results of simulation image 1
View tableView in ArticleTable 3. Accuracy statistics of coarse correction results of simulation image 1
项目 数值 检查点数量 15 202 中误差/Pixel 4.53 最小平面中误差/Pixel 0.00 最大平面中误差/Pixel 21.38 2倍以下中误差个数 14 633 2~3倍中误差个数 555 大于3倍中误差个数 14
Table 4. Accuracy statistics of accurate correction results of simulation image 1
View tableView in ArticleTable 4. Accuracy statistics of accurate correction results of simulation image 1
项目 数值 检查点数量 15 087 中误差/Pixel 1.00 最小平面中误差/Pixel 0.00 最大平面中误差/Pixel 28.16 2倍以下中误差个数 14 533 2~3倍中误差个数 273 大于3倍中误差个数 281
Table 5. Accuracy statistics of coarse correction results of simulation image 2
View tableView in ArticleTable 5. Accuracy statistics of coarse correction results of simulation image 2
项目 数值 检查点数量 15 058 中误差/Pixel 4.53 最小平面中误差/Pixel 0.00 最大平面中误差/Pixel 23.09 2倍以下中误差个数 14 541 2~3倍中误差个数 506 大于3倍中误差个数 11
Table 6. Accuracy statistics of accurate correction results of simulation image 2
View tableView in ArticleTable 6. Accuracy statistics of accurate correction results of simulation image 2
项目 数值 检查点数量 14 994 中误差/Pixel 0.91 最小平面中误差/Pixel 0.00 最大平面中误差/Pixel 23.00 2倍以下中误差个数 14 229 2~3倍中误差个数 423 大于3倍中误差个数 342
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Wu XUE, Peng WANG, Ling-yu ZHONG. Geometric correction of optical remote sensing satellite images captured by linear array sensors circular scanning perpendicular to the orbit[J]. Optics and Precision Engineering, 2021, 29(12): 2924
Paper Information
Category: Information Sciences
Received: May. 7, 2021
Accepted: --
Published Online: Jan. 20, 2022
The Author Email: Peng WANG (zbxysimon@163.com)
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