A system for traffic sign detection, tracking, and recognition using color, shape, and motion information

This paper describes a computer vision based system for real-time robust traffic sign detection, tracking, and recognition. Such a framework is of major interest for driver assistance in an intelligent automotive cockpit environment. The proposed approach consists of two components. First, signs are...

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Bibliographic Details
Main Authors: Bahlmann, C., Zhu, Y., Visvanathan Ramesh, Pellkofer, M., Koehler, T.
Format: Conference Proceeding
Language:English
Subjects:
Automotive engineering
Bayesian methods
Computer vision
Intelligent vehicles
Motion detection
Object detection
Real time systems
Robustness
Shape
Tracking
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Summary:This paper describes a computer vision based system for real-time robust traffic sign detection, tracking, and recognition. Such a framework is of major interest for driver assistance in an intelligent automotive cockpit environment. The proposed approach consists of two components. First, signs are detected using a set of Haar wavelet features obtained from AdaBoost training. Compared to previously published approaches, our solution offers a generic, joint modeling of color and shape information without the need of tuning free parameters. Once detected, objects are efficiently tracked within a temporal information propagation framework. Second, classification is performed using Bayesian generative modeling. Making use of the tracking information, hypotheses are fused over multiple frames. Experiments show high detection and recognition accuracy and a frame rate of approximately 10 frames per second on a standard PC.
ISSN:1931-0587
2642-7214
DOI:10.1109/IVS.2005.1505111