| 高分辨率卫星遥感影像的姿态角常差检校 |
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| 引用本文： | 袁修孝,余俊鹏. 高分辨率卫星遥感影像的姿态角常差检校[J]. 测绘学报, 2008, 37(1): 0-113 |
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| 作者姓名： | 袁修孝 余俊鹏 |
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| 作者单位： | 武汉大学遥感信息工程学院,湖北,武汉,430079;武汉大学遥感信息工程学院,湖北,武汉,430079 |
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| 基金项目： | 国家重点基础研究发展计划(973计划) , 教育部长江学者和创新团队发展计划-创新团队项目 |
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| 摘 要： | 简要叙述高分辨率卫星遥感影像的严格几何模型,建立影像姿态角常差检校模型。通过对来自SPOT-5, QuickBird两种不同卫星遥感影像的试验,验证影像姿态角常差的存在。利用单个控制点检校出的常差值对角元素进行补偿后,明显提高卫星遥感影像的对地目标定位精度,目标点平面位置可达到4 pixels的精度水平。
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| 关 键 词： | 高分辨率卫星遥感影像 严格几何模型 姿态角常差 对地目标定位 精度 |
| 文章编号： | 1001-1595（2008）01-0036-06 |
| 收稿时间： | 2007-06-12 |
| 修稿时间： | 2007-11-02 |
Calibration of Constant Angular Error for High Resolution Remotely Sensed Imagery |
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| YUAN Xiu-xiao,YU Jun-peng. Calibration of Constant Angular Error for High Resolution Remotely Sensed Imagery[J]. Acta Geodaetica et Cartographica Sinica, 2008, 37(1): 0-113 |
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| Authors: | YUAN Xiu-xiao YU Jun-peng |
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| Abstract: | The rigorous geometric model based on the collinearity equations is the basic model for object positioning of high resolution remotely sensed imagery. The location precision is strongly relevant to the ephemeris and attitude data. However, the quality of attitude data acquired by modern stellar camera is still difficult to satisfy the requirement of direct location. In this paper a calibration model of constant angular error is introduced to enhance attitude precision by few ground control points (GCP). The calibration model was tested on SPOT-5 and QuickBird imageries and both have proved its practicality and efficiency. An object positioning accuracy of 4 pixels in planimetry was achieved after calibrating and correcting the constant angular error by using single GCP. |
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| Keywords: | high resolution satellite remotely sensed image rigorous geometric model constant angular error object positioning accuracy |
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