| 基于Hough变换的地形图自动校正 |
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| 引用本文： | 李信鹏,陈甫,刘建波.基于Hough变换的地形图自动校正[J].计算机工程与应用,2007,43(1):215-216,224. |
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| 作者姓名： | 李信鹏 陈甫 刘建波 |
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| 作者单位： | 中国科学院,中国遥感卫星地面站,北京,100086 |
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| 摘 要： | 利用Hough变换检测地形图中的方里网网点坐标,并由地形图图幅编号计算得到方里网网点的理论坐标,再把方里网网点的理论坐标与相应Hough变换搜索得到的方里网网点图像坐标进行最小二乘拟合,以纠正扫描地形图的误差得到精确的方里网网点坐标。结合该技术形成了自动扫描生成DRG的软件系统。
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| 关 键 词： | Hough变换 方里网 数字栅格地图 |
| 文章编号： | 1002-8331（2007）01-0215-02 |
| 修稿时间： | 2006-04 |
Automatic calibration of paper map by hough transform |
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| LI Xin-peng,CHEN Fu,LIU Jian-bo.Automatic calibration of paper map by hough transform[J].Computer Engineering and Applications,2007,43(1):215-216,224. |
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| Authors: | LI Xin-peng CHEN Fu LIU Jian-bo |
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| Affiliation: | China Remote Sensing Satellite Ground Station,Chinese Academy of Science,Beijing 100086,China |
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| Abstract: | We have extracted the points of the kilometer grid by Hough transform,and calibrated their positions against the theoretic coordinates calculated by the map label to rectify the errors in scanning map.And by using the method to creat the automatic tools for scanning map. |
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| Keywords: | Hough Transform kilometer grid digital raster map |
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