道路交叉口自动检测与基于OSG的三维自动建模方法

doi:10.13485/j.cnki.11-2089.2014.0158

测绘学报 ›› 2014, Vol. 43 ›› Issue (10): 1083-1091.doi: 10.13485/j.cnki.11-2089.2014.0158

道路交叉口自动检测与基于OSG的三维自动建模方法

马小龙,李成名,赵占杰

中国测绘科学研究院地理信息系统与地图工程研究所

收稿日期:2014-01-01 修回日期:2014-07-22 出版日期:2014-10-20 发布日期:2014-10-24
通讯作者: 李成名 E-mail:cmli@casm.ac.cn
基金资助:
行业公益型科研专项

Three-dimensional Road Intersection Automatic Inspection and Robotization Modeling Based on OSG

MA Xiaolong¹,LI ChengmingZHAO Zhanjie¹

Received:2014-01-01 Revised:2014-07-22 Online:2014-10-20 Published:2014-10-24
Contact: LI Chengming E-mail:cmli@casm.ac.cn

摘要/Abstract

摘要：

针对三维道路场景中多条道路交叉时出现的单纯重叠问题，基于开源三维图形渲染引擎OSG(OpenSceneGraph)，提出一种三维道路交叉口的自动检测与建模方法。该方法通过分析道路矢量数据的存储特点及道路交叉口的设计规范，快速获取交叉口区域并识别其所属类型，结合计算机图形学和OSG场景渲染技术实现道路交叉口的自动建模。试验表明，该方法有效地解决了三叉型、四叉型、环岛型和分离式立体交叉口的一键式生产，无需人工干预，为未来大数据三维道路场景的快速构建奠定基础。

关键词: 道路交叉口, OpenSceneGraph, 矢量数据, 自动检测与建模

Abstract:

Targeting the simple overlap arising when multiple roads intersect in a three-dimensional road scene, this paper provides an automatic detection and modeling method for 3D road intersections on the basis of open-source 3D rendering engine OSG (OpenSceneGraph). In this method, by analyzing road vector-data storage characteristics and intersection design specifications, an intersection area can be quickly captured or formed, with its type being identified simultaneously, so as to achieve its automatic modeling by means of computer graphics and OSG scene rendering technique. The experiment proves that this method has effectually solved one-button generation of three-way, four-way, roundabout, and separate 3D intersections, without the need of manual intervention, serving as a foundation for the quick construction of future big-data 3D-road scenes.

Key words: road intersection, OpenSceneGraph, vector data, automatic inspection and modeling

中图分类号:

TP391.9

马小龙李成名赵占杰. 道路交叉口自动检测与基于OSG的三维自动建模方法[J]. 测绘学报, 2014, 43(10): 1083-1091.

MA Xiaolong LI Chengming ZHAO Zhanjie. Three-dimensional Road Intersection Automatic Inspection and Robotization Modeling Based on OSG[J]. Acta Geodaetica et Cartographica Sinica, 2014, 43(10): 1083-1091.

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道路交叉口自动检测与基于OSG的三维自动建模方法

Three-dimensional Road Intersection Automatic Inspection and Robotization Modeling Based on OSG

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