| 利用ERDAS IMAGINE进行影像的几何精校正 |
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| 引用本文： | 赖震刚,王继.利用ERDAS IMAGINE进行影像的几何精校正[J].现代测绘,2003,26(2):38-40. |
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| 作者姓名： | 赖震刚 王继 |
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| 作者单位： | 江苏省测绘工程院,南京,210013 |
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| 摘 要： | 几何精校正是利用地面控制点(GCP)对遥感影像进行的几何校正。用ERDAS IMAGINE软件进行几何精校正，关键在于相关模型参数设置、控制点输入和几何精校正。影响几何精校正的因素，主要表现在GCP的数量、分布和定位精度。此外校正方法不同，影像的纠正精度也不同。
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| 关 键 词： | 几何精校正 地面控制点 遥感影像 GCP 定位精度 几何变形 |
| 文章编号： | 1672-4097(2003)02-0038-03 |
Utilizing ERDAS IMAGINE to Adjust Geometric Correction of Image |
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| Lai Zhengang,Wang Ji.Utilizing ERDAS IMAGINE to Adjust Geometric Correction of Image[J].Modern Surveying and Mapping,2003,26(2):38-40. |
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| Authors: | Lai Zhengang Wang Ji |
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| Institution: | Jiangsu Surveyingand Mapping Engineering Institute 210013 |
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| Abstract: | Geometric correction adjustment is using ground control points(GCP) to adjustthe geometric correction of remote image. The key of usingERDAS IMAGINE software to adjust the geometric correction lies in setting of correlationmodel parameters?inputting of control points and adjustment of geometric correction. The factors that effect on adjustment of geometric correction mainly represent in the quantity?distribution of GCP and theirorientation accuracy. Moreover, the correction accuracy of images differs because of the difference of adjustment methods. |
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| Keywords: | Adjustment of geometric correction Global control point |
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