ROAD SIGN DETECTION AND SHAPE RECONSTRUCTION USING GIELIS CURVES

Valentine Véga, Désiré Sidibé, Yohan Fougerolle

Abstract

Road signs are among the most important navigation tools in transportation systems. The identification of road signs in images is usually based on first detecting road signs location using color and shape information. In this paper, we introduce such a two-stage detection method. Road signs are located in images based on color segmentation, and their corresponding shape is retrieved using a unified shape representation based on Gielis curves. The contribution of our approach is the shape reconstruction method which permits to detect any common road sign shape, i.e. circle, triangle, rectangle and octagon, by a single algorithm without any training phase. Experimental results with a dataset of 130 images containing 174 road signs of various shapes, show an accurate detection and a correct shape retrieval rate of 81.01% and 80.85% respectively.

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Paper Citation


in Harvard Style

Véga V., Sidibé D. and Fougerolle Y. (2012). ROAD SIGN DETECTION AND SHAPE RECONSTRUCTION USING GIELIS CURVES . In Proceedings of the International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP, (VISIGRAPP 2012) ISBN 978-989-8565-03-7, pages 393-396. DOI: 10.5220/0003802003930396


in Bibtex Style

@conference{visapp12,
author={Valentine Véga and Désiré Sidibé and Yohan Fougerolle},
title={ROAD SIGN DETECTION AND SHAPE RECONSTRUCTION USING GIELIS CURVES},
booktitle={Proceedings of the International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP, (VISIGRAPP 2012)},
year={2012},
pages={393-396},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003802003930396},
isbn={978-989-8565-03-7},
}


in EndNote Style

TY - CONF
JO - Proceedings of the International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP, (VISIGRAPP 2012)
TI - ROAD SIGN DETECTION AND SHAPE RECONSTRUCTION USING GIELIS CURVES
SN - 978-989-8565-03-7
AU - Véga V.
AU - Sidibé D.
AU - Fougerolle Y.
PY - 2012
SP - 393
EP - 396
DO - 10.5220/0003802003930396