Fast road sign detection using hough transform for assisted driving of road vehicles

Authors:
Miguel Ángel García-Garrido;Miguel Ángel Sotelo;Ernesto Martín-Gorostiza
Affiliations:
Department of Electronics, University of Alcalá, Madrid, Spain;Department of Electronics, University of Alcalá, Madrid, Spain;Department of Electronics, University of Alcalá, Madrid, Spain
Venue:
EUROCAST'05 Proceedings of the 10th international conference on Computer Aided Systems Theory
Year:
2005

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Abstract

A system for real-time traffic sign detection is described in this paper. The system uses restricted Hough transform for circumferences in order to detect circular signs, and for straight lines for triangular ones. Some results obtained from a set of real road images captured under both normal and adverse weather conditions are presented as well in order to illustrate the robustness of the detection system. The average processing time is 30 ms per frame, what makes the system a good approach to work in real time conditions.