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Remote Sens. 2019, 11(1), 79; https://doi.org/10.3390/rs11010079

Road Information Extraction from High-Resolution Remote Sensing Images Based on Road Reconstruction

Coherent Light and Atomic and Molecular Spectroscopy Laboratory, College of Physics, Jilin University, Changchun 130012, China
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Received: 24 October 2018 / Revised: 13 December 2018 / Accepted: 29 December 2018 / Published: 4 January 2019
(This article belongs to the Special Issue Remote Sensing-Based Urban Planning Indicators)
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Abstract

Traditional road extraction algorithms, which focus on improving the accuracy of road surfaces, cannot overcome the interference of shelter caused by vegetation, buildings, and shadows. In this paper, we extract the roads via road centerline extraction, road width extraction, broken centerline connection, and road reconstruction. We use a multiscale segmentation algorithm to segment the images, and feature extraction to get the initial road. The fast marching method (FMM) algorithm is employed to obtain the boundary distance field and the source distance field, and the branch backing-tracking method is used to acquire the initial centerline. Road width of each initial centerline is calculated by combining the boundary distance fields, before a tensor field is applied for connecting the broken centerline to gain the final centerline. The final centerline is matched with its road width when the final road is reconstructed. Three experimental results show that the proposed method improves the accuracy of the centerline and solves the problem of broken centerline, and that the method reconstructing the roads is excellent for maintain their integrity. View Full-Text
Keywords: road extraction; fast marching method; centerline extraction; tensor voting; road reconstruction road extraction; fast marching method; centerline extraction; tensor voting; road reconstruction
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Zhou, T.; Sun, C.; Fu, H. Road Information Extraction from High-Resolution Remote Sensing Images Based on Road Reconstruction. Remote Sens. 2019, 11, 79.

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