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

doi:10.13485/j.cnki.11-2089.2014.0158

Abstract

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

CLC Number:

TP391.9

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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