| 岭-压缩组合估计在线阵推扫式影像外定向中的应用 |
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| 引用本文： | 张艳,王涛,朱述龙,朱宝山.岭-压缩组合估计在线阵推扫式影像外定向中的应用[J].武汉大学学报(信息科学版),2004,29(10):893-896. |
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| 作者姓名： | 张艳 王涛 朱述龙 朱宝山 |
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| 作者单位： | 信息工程大学测绘学院,郑州市陇海中路66号,450052 |
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| 摘 要： | 针对线阵推扫式影像外定向中存在的法方程病态问题,提出了采用岭压缩组合估计进行解算,能提高定向精度,并分析了该算法的优点和应用方法。实验证明,该算法性能优异,精度很高。
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| 关 键 词： | 线阵推扫式影像 外定向 岭压缩组合估计 |
| 文章编号： | 1671-8860(2004)10-0893-04 |
| 修稿时间： | 2004年6月20日 |
Application of Combined Ridge-Stein Estimator to Linear Pushbroom Imagery Exterior Orientation |
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| ZHANG Yan,WANG Tao,ZHU Shulong,ZHU Baoshan.Application of Combined Ridge-Stein Estimator to Linear Pushbroom Imagery Exterior Orientation[J].Geomatics and Information Science of Wuhan University,2004,29(10):893-896. |
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| Authors: | ZHANG Yan WANG Tao ZHU Shulong ZHU Baoshan |
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| Institution: | ZHANG Yan 1 WANG Tao 1 ZHU Shulong 1 ZHU Baoshan 1 |
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| Abstract: | In order to solve the ill-conditioned problem of the normal equation in the exterior orientation for linear pushbroom imagery, the combined ridge-stein combined estimator (CRS) is presented. After a brief introduction on the CRS estimator, focus is put on its application in the linear pushbroom imagery exterior orientation. Experiments are performed using one 10meter SPOT 1 panchromatic image and one 5meter SPOT 5 panchromatic image. The experimental results show that the CRS estimator is a perfect algorithm for linear pushbroom exterior orientation with high reliability and accuracy. |
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| Keywords: | linear pushbroom image exterior orientation combined ridge-stein estimator |
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