Detection and Recognition of Arrow Traffic Signals using a Two-stage Neural Network Structure

Tien-Wen Yeh, Huei-Yung Lin

Abstract

This paper develops a traffic light detection and recognition system based on convolutional neural networks for Taiwan road scenes. A two-stage approach is proposed with first detecting the traffic light position, followed by the light state recognition. It is specifically designed to identify the challenging arrow signal lights in many urban traffic scenes. In the detection stage, the map information and two cameras with different focal lengths are used to detect the traffic lights at different distances. In the recognition stage, a new method combining object detection and classification is proposed to deal with various light state classes in Taiwan road scenes. Furthermore, an end-to-end network with shared feature maps is implemented to reduce the computation time. Experiments are carried out on the public LISA dataset and our own dataset collected from two routes with urban traffic scenes.

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Paper Citation


in Harvard Style

Yeh T. and Lin H. (2020). Detection and Recognition of Arrow Traffic Signals using a Two-stage Neural Network Structure.In Proceedings of the 6th International Conference on Vehicle Technology and Intelligent Transport Systems - Volume 1: VEHITS, ISBN 978-989-758-419-0, pages 322-330. DOI: 10.5220/0009345203220330


in Bibtex Style

@conference{vehits20,
author={Tien-Wen Yeh and Huei-Yung Lin},
title={Detection and Recognition of Arrow Traffic Signals using a Two-stage Neural Network Structure},
booktitle={Proceedings of the 6th International Conference on Vehicle Technology and Intelligent Transport Systems - Volume 1: VEHITS,},
year={2020},
pages={322-330},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0009345203220330},
isbn={978-989-758-419-0},
}


in EndNote Style

TY - CONF

JO - Proceedings of the 6th International Conference on Vehicle Technology and Intelligent Transport Systems - Volume 1: VEHITS,
TI - Detection and Recognition of Arrow Traffic Signals using a Two-stage Neural Network Structure
SN - 978-989-758-419-0
AU - Yeh T.
AU - Lin H.
PY - 2020
SP - 322
EP - 330
DO - 10.5220/0009345203220330