Automatic road extraction based on cross detection in suburb

Go Koutaki; Keiichi Uchimura

doi:10.1117/12.525628

21 May 2004 Automatic road extraction based on cross detection in suburb

Go Koutaki, Keiichi Uchimura

Proceedings Volume 5299, Computational Imaging II; (2004) https://doi.org/10.1117/12.525628
Event: Electronic Imaging 2004, 2004, San Jose, California, United States

Abstract

Importance for acquiring geographic map data and updating existing data is increasing. The automation of road extraction from aerial imagery has received attention. In the past, many approaches have been considered, however the existing automatic road extraction methods still need too much post editing. In this paper, we propose the method of automatic road extraction from high resolution color aerial images based on the information, such as a position and the direction of road intersection. As road shape recognition, we use an active contour model which is a kind of deformable shape model. The active contour model with a width parameter(called Ribbon Snakes) is useful as a technique to extract the road form, however the method has a problem how to generate a initial contour. We generate a initial contour using result of a road tracking. A road tracking is performed using the information, such as a position and the direction of road intersection. To detect road intersections, we use the template matching like cross form. We report experiments using high resolution (0.5m per pixel) color aerial imagery of residential area in suburb.

Citation Download Citation

Go Koutaki and Keiichi Uchimura "Automatic road extraction based on cross detection in suburb", Proc. SPIE 5299, Computational Imaging II, (21 May 2004); https://doi.org/10.1117/12.525628

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