| 几何地理要素的相似性度量方法研究 |
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| 引用本文： | 李媛媛,王俊超,徐立,周汝良.几何地理要素的相似性度量方法研究[J].测绘与空间地理信息,2014(3):31-34. |
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| 作者姓名： | 李媛媛 王俊超 徐立 周汝良 |
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| 作者单位： | [1]西南林业大学林学院,云南昆明650224 [2]中国科学院地理与资源环境研究所资源与环境信息系统国家重点实验室,北京100101 [3]61618部队,北京102102 [4]信息工程大学地理空间信息学院,河南郑州450052 |
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| 基金项目： | 基金项目：国家自然科学基金项目（41071297,41201391,41261085）;国家科技支撑计划项目（2011BAD32805）资助 |
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| 摘 要： | 几何地理数据相似性是地理数据匹配处理的基础,决定着地理数据匹配结果的成功率和准确率。本文分别从点、线、面3个角度对几何地理数据的相似性进行深入分析,通过对点、线、面三种地理要素特点的深入研究,给出了几何地理数据的相似性算法和度量模型。通过实验,初步验证了所提算法的可行性,为地理数据的相似性匹配研究奠定了基础。
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| 关 键 词： | 多尺度 地理要素 几何匹配 几何相似性 地理信息处理 |
Geometric Similarity Measure of Geographical Elements Method Research |
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| LI Yuan-yuan,WANG Jun-chao,XU Li,ZHOU Ru-liang.Geometric Similarity Measure of Geographical Elements Method Research[J].Geomatics & Spatial Information Technology,2014(3):31-34. |
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| Authors: | LI Yuan-yuan WANG Jun-chao XU Li ZHOU Ru-liang |
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| Institution: | 1. Southwest Forestry University Forestry College, Kunming 650224, China; 2. The Chinese Academy of Sciences Institute of Geography and Resources and Environment, State Key Laboratory of Resources and Environment Information System, Beijing 100101, China; 3. 61618 Troops, Beijing 102102, China; 4. Information Engineering University Information Engineering University, Institute of Geographic Space Information, Zhengzhou 450052, China) |
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| Abstract: | Geometric similarity geographic data is the basis of geographic data matching process , determine the geographic data matc-hing and accuracy of the results .This paper respectively from the Angle of dot/line/face three geographic data , analyzing the similari-ty of geometry of dot, line, face three geographical elements characteristics of in -depth study, gives the geometrical similarity algo-rithm of geographic data and measurement model .At the end of the article , through the experiment verify the feasibility of the pro-posed algorithm , laid the foundation for the further study of geographic data similarity matching . |
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| Keywords: | multi-scale geographical elements geometric matching geometry similarity geographic information processing |
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