Abstract
This paper is aimed at detecting and recognizing speed-limit signs in real-time. The recognition of speed-limit signs gives the necessary reminders and warnings to the drivers who may ignore the speed-limit signs. In the previous literatures, most of proposed schemes for real-time detection and recognition of traffic signs employed the software approach. It not only needs a large amount of data processing, but also requires a high demand of hardware. Therefore, we propose a hardware-software co-design scheme on FPGA, where regular computations are executed in parallel with hardware, resulting in detecting and recognizing speed-limit signs in real-time. The experiments show that our proposed scheme can detect and recognize a speed-limit sign in 62.558 ms. The detection rate is about 99 %. And the recognition rate is 100 %.
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Acknowledgments
This work was support, in part, by National Science Council, Republic of China, under Grant No. NSC 102-2221-E-011-067.
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Chen, HL., Chen, MS., Hu, SH. (2014). An Efficient Embedded System for the Detection and Recognition of Speed-Limit Signs. In: Park, J., Zomaya, A., Jeong, HY., Obaidat, M. (eds) Frontier and Innovation in Future Computing and Communications. Lecture Notes in Electrical Engineering, vol 301. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-8798-7_15
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DOI: https://doi.org/10.1007/978-94-017-8798-7_15
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