导航电子地图中道路网增量信息的多尺度探测

王艳慧; 尹川; 丁宇虹

doi:10.3969/j.issn.0258-2724.2015.04.03

导航电子地图中道路网增量信息的多尺度探测

doi: 10.3969/j.issn.0258-2724.2015.04.03

王艳慧^1,2,
尹川^1,2,
丁宇虹^1,2

基金项目:

国家自然科学基金资助项目(41371375)

北京市自然科学基金资助项目(8132018)

详细信息

作者简介:
王艳慧(1977-),女,副教授,博士,研究方向为多尺度空间数据组织及应用,E-mail:huiwangyan@sohu.com

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- 文章访问数: 764
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出版历程
- 收稿日期: 2014-03-13
- 刊出日期: 2015-08-25

Multi-scale Extraction of Road Network Incremental Information in Navigation Electronic Map

摘要

摘要: 针对常用增量信息提取方法中根据经验阈值确定新旧目标匹配的不足,提出一种导航电子地图中道路网增量信息的多尺度探测方法.该方法用最大类间方差法自适应地确定几何匹配阈值来探测增量信息,完善了基于道路网眼密度的增量变化目标渐进式选取算法,实现了增量信息在较小比例尺下的缩编提取.增量信息探测实验研究结果表明:基于自适应匹配阈值的新旧版本对应路网目标匹配准确率达到了90%,优于传统的经验阈值匹配精度;改进的增量变化目标渐进式选取算法可以满足路网增量更新的结构选取需求.
- 增量信息 /
- 多尺度探测 /
- 最大类间方差阈值法 /
- 网眼密度 /
- 渐进式选取
Abstract: To overcome the disadvantage in matching old and new targets by use of usual experienced threshold value for incremental information extraction, a multi-scale extraction method is proposed for the road network incremental information in navigation electronic map. In this method, an Otsu-based adaptive threshold is adopted to determine the geometric matching criterion so as to detect incremental information; further, a progressive selection algorithm based on the mesh density of road network is improved to extract the incremental change information at a smaller scale in map generalization. Incremental updating test results show that: (1) by use of the Otsu-based adaptive threshold, the matching accuracy between the old-version road objects and new-version ones approximately reaches 90%, which is superior to that by use of the experienced threshold; (2) the improved progressive selection algorithm for incremental updating objects can meet the need of structural selection in road network incremental updating.
- incremental updating information /
- multi-scale extraction /
- Ostu method /
- mesh density /
- progressive selection

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参考文献(40)

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文章访问数: 764
HTML全文浏览量: 56
PDF下载量: 470
被引次数: 0

导航电子地图中道路网增量信息的多尺度探测

doi: 10.3969/j.issn.0258-2724.2015.04.03

作者简介: 王艳慧(1977-),女,副教授,博士,研究方向为多尺度空间数据组织及应用,E-mail:huiwangyan@sohu.com

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出版历程

Multi-scale Extraction of Road Network Incremental Information in Navigation Electronic Map

计量

出版历程

目录

作者简介:
王艳慧(1977-),女,副教授,博士,研究方向为多尺度空间数据组织及应用,E-mail:huiwangyan@sohu.com