| DEM内插算法与精度评定研究 |
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| 引用本文： | 王晞.DEM内插算法与精度评定研究[J].江苏测绘,2013(5):21-23,29. |
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| 作者姓名： | 王晞 |
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| 作者单位： | [1]江苏省南京工程高等职业学校,江苏南京211135 [2]江苏联合职业技术学院南京工程分院,江苏南京211135 |
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| 摘 要： | 本文分析了DEM数据产品的误差源、内插算法的误差模型,简要介绍了目前DEM数据产品精度评定的指标与方法途径.通过介绍DEM引出了数字高程模型内插方法,比较了各种DEM内插方法,并且分析了模型精度.
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| 关 键 词： | DEM 内插算法 精度评定 |
Research on Interpolation Algorithm and Accuracy Assessment of DEM |
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| WANG.Research on Interpolation Algorithm and Accuracy Assessment of DEM[J].Jiangsu Surveying and Mapping,2013(5):21-23,29. |
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| Authors: | WANG |
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| Institution: | WANG Xi(1 Nanjing Engineering Vocational College, Nanjing Jiangsu 211135, China ; 2 Nanjing Engineering Department, Jiangsu Union Technical Institute,Nanjing Jiangsu 211135, China) |
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| Abstract: | The paper analysis the sources of DEM data products and DEM modeling error of the interpolation algorithm, gives a brief introduction about the accuracy assessment of DEM data products of indicator and approaches. The interpolation of the digital elevation model is described in this paper . Various interpolation approaches and accuracy assessment model are used to estimate the precision of DEM. |
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| Keywords: | digital elevation model （DEM） interpolation algorithm accuracy assessment |
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