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Real-time traffic sign detection with vehicle camera images

Published: 17 January 2013 Publication History

Abstract

This paper presents a real-time traffic sign detection method using color properties and shape-based features for real-world environment applications. The proposed method has two main steps: color-based region segmentation and shape-based verification of the segmented area. In the first step, region-of-interest (ROI) is roughly segmented by a simple color-based thresholding method and each segment is corrected by a guided filter. Next, each ROI is verified through a shape analysis to decide whether the ROI is a circle or a triangle. For detecting circles, we compare three different methods: RSD, BCT, and STVUE. For triangles, RPD, VBT and STVUT were applied. We evaluated these alternatives with 232 experimental images containing 142 circular signs and 82 triangular signs. We found that RSD in the circle detection and STVUT in the triangle detection provide the best detection rates of 93% and 90% respectively. The main contribution of this paper is to present a novel approach for extracting boundary of traffic sign.

References

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[2]
C. keller, C. Sprunk, C. Bahlmann, J. Giebel, and G. baratoff, "Real-time recognition of u.s. speed sign", in Proceedings of the IEEE Symposium on Intelligent Vehicles, 2008, pp. 518--523.
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C. Bahlmann, Y. Zhu, and V. Remesh, "A system for traffic sign detection, tracking, and recognition using color, shape and motion formation", in Proceedings of the IEEE Symposium on Intelligent Vehicles, 2005, pp. 255--260.
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J. N. Chourasia and G. H. Raisoni, "Centroid Based Detection Algorithm for Hybrid Traffic Sign Recognition System", in proceedings of International Conference on Emerging Trends in Engineering and Technology, 2010, pp. 96--100.
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  1. Real-time traffic sign detection with vehicle camera images

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    cover image ACM Conferences
    ICUIMC '13: Proceedings of the 7th International Conference on Ubiquitous Information Management and Communication
    January 2013
    772 pages
    ISBN:9781450319584
    DOI:10.1145/2448556
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Published: 17 January 2013

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    Author Tags

    1. color segmentation
    2. guided filter
    3. traffic sign detection

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