Traffic Sign Recognition Using Hybrid Camera System

概要

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Traffic sign recognition systems can be used to assist drivers and improve road safety. The system is expected to recognize traffic signs at even greater distances in order to give drivers as much warning as possible based on the road conditions. A hybrid camera system is proposed in this paper with the goal of increasing the recognition distance compared to the conventional systems. In this system, an active telephoto camera is used as an assistant to a wide angle camera. Traffic sign detection and classification are processed separately for the different images from the wide angle camera and telephoto camera, respectively. The image from the telephoto camera provides enough information for a classification when the resolution of the detected traffic sign is low from the wide angle camera. The experimental results demonstrated that the recognition distance of the proposed system is improved compared to the conventional systems.
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