A Method of Bridge Outline Extraction Based on Airborne LiDAR Data

Abstract:

Automatic and quickly extraction of bridge information from LiDAR data is of great significance in building 3D digital city and virtual earth. Especially the extraction of bridge outline is a crucial problem. It is a concern of many scholars research focus. This paper presented a method of bridge extraction using airborne LiDAR data. The biggest advantage of the method is based on priori-knowledge and by analyzing the spatial structural characteristics and geometric characteristics of the bridge. Experiments show that this method has a good accuracy compared with the result of expert interpretation.

• Periodical: Applied Mechanics and Materials (Volumes 303-306)
• Pages: 1048-1055
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.303-306.1048
• Online since: February 2013
• Authors: Yi Zheng, Cheng Yi Wang, Jing Bo Chen, Dong Xu He
• Keywords: Bridge Outline Extraction, Digital Surface Model (DSM), Geometric Characteristics, Light Detection and Ranging (LiDAR), Spatial Structural Characteristics

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