Localization and Extraction of Road Poles in Urban Areas from Mobile Laser Scanning Data

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Abstract
Lampposts, traffic lights, traffic signs, utility poles and so forth are important road furniture in urban areas. The fast and accurate localization and extraction of this type of furniture is urgent for the construction and updating of infrastructure databases in cities. This paper proposes a pipeline for mobile laser scanning data processing to locate and extract road poles. The proposed method is based on the vertical continuity with isolation feature of the pole part and the overall roughness feature of the attachment part of road poles. The isolation feature of the pole part is analysed by constructing two concentric cylinders from bottom to top and there should be no or a limited number of, points between these two cylinders. After splitting up the pole part and the attachment part of a road pole, the roughness of the candidate attachment points is computed and the attachment is obtained by performing region growing method based on roughness values. By applying the proposed pipeline to different situations in two datasets, the proposed method proves to be efficient not only in simple scenes but also in cluttered scenes.
Funding Information
  • Open Fund of Key Laboratory of Urban Land Resources Monitoring and Simulation，Ministry of Land and Resources (KF-2018-03-066)
  • National Natural Science Foundation of China (41801392)
  • China Postdoctoral Science Foundation (2018M633133, 2018M643150)
  • pecial fund for the development of strategic emerging industries in Shenzhen (JSGG20170412170711532)
  • Research on Key Technology for Scenario Construction of Severe Urban Disasters and Emergency Drill System (JYCJ20170412142239369)
  • Research on Emergency Technology of Monitoring and Forecasting Geological Disaster Using Big Data (JCYJ20170412142144518)

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