Automatic Road Centerline Extraction from Imagery Using Road GPS Data

Remote Sensing

Chuqing Cao¹ 

[1] Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117583, Singapore; E-Mail:

关键词: road centerline extraction;    road GPS data;    road connection;    satellite image;    remote sensing;   

DOI  :  10.3390/rs6099014

来源: mdpi

【 摘 要 】

Road centerline extraction from imagery constitutes a key element in numerous geospatial applications, which has been addressed through a variety of approaches. However, most of the existing methods are not capable of dealing with challenges such as different road shapes, complex scenes, and variable resolutions. This paper presents a novel method for road centerline extraction from imagery in a fully automatic approach that addresses the aforementioned challenges by exploiting road GPS data. The proposed method combines road color feature with road GPS data to detect road centerline seed points. After global alignment of road GPS data, a novel road centerline extraction algorithm is developed to extract each individual road centerline in local regions. Through road connection, road centerline network is generated as the final output. Extensive experiments demonstrate that our proposed method can rapidly and accurately extract road centerline from remotely sensed imagery.

【 授权许可】

CC BY   
© 2014 by the authors; licensee MDPI, Basel, Switzerland