| 基于影像匹配数据获取DEM方法探讨 |
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| 引用本文： | 朱继文,李清华.基于影像匹配数据获取DEM方法探讨[J].黑龙江工程学院学报,2009,23(1):36-38,43. |
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| 作者姓名： | 朱继文 李清华 |
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| 作者单位： | 朱继文,ZHU Ji-wen(黑龙江工程学院,测绘工程系,黑龙江,哈尔滨,150050);李清华,LI Qing-hua(辽宁省冶金地质勘查局地质勘查研究院,辽宁,鞍山,114002)
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| 摘 要： | 针对地形复杂地区立体像对匹配获取的离散数据，经粗差剔除后分别采用加权平均法、双线性多项式法和移动曲面拟合法等3种内插算法进行构建规则格网DEM的实践，得出移动曲面拟合法特别适用于大范围地形复杂环境的结论。
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| 关 键 词： | DEM 粗差检测 加权平均法 双线性多项式法 移动曲面拟合法 |
Discussion about methods of DEM extraction based on image matching dataset |
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| ZHU Ji-wen,LI Qing-hua.Discussion about methods of DEM extraction based on image matching dataset[J].Journal of Heilongjiang Institute of Technology,2009,23(1):36-38,43. |
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| Authors: | ZHU Ji-wen LI Qing-hua |
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| Affiliation: | 1.Dept.of Surveying and Mapping Engineering;Heilongjiang Institute of Technology;Harbin 150050;China;2.The Institute of Geology and Prospecting of Liaoning Metallurgical Geology and Exploration Bureau;Anshan 114002;China |
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| Abstract: | Aiming at discrete dataset extract from stereo imagery matching dataset on complex terrain areas,centering on weighted average method,bilinear polynomial method,and mobile curve fitting method,the paper generates grid DEM after eliminating gross error.Mobile curve fitting method is suitable for large-scale complex terrain areas. |
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| Keywords: | DEM |
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