GPU-Based Road Sign Detection Using Particle Swarm Optimization

Luca Mussi, Stefano Cagnoni, Fabio Daolio
Dipt. di Ing. dell’Inf., Univ. of Parma, Parma, Italy
Ninth International Conference on Intelligent Systems Design and Applications, 2009. ISDA ’09


   title={GPU-based road sign detection using particle swarm optimization},

   author={Mussi, L. and Cagnoni, S. and Daolio, F.},

   booktitle={Intelligent Systems Design and Applications, 2009. ISDA’09. Ninth International Conference on},





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Road Sign Detection is a major goal of Advanced Driving Assistance Systems (ADAS). Since the dawn of this discipline, much work based on different techniques has been published which shows that traffic signs can be first detected and then classified in video sequences in real time. While detection is usually performed using classical computer vision techniques based on color and/or shape matching, most often classification is performed by neural networks. In this work we present a novel approach based on both sign shape and color which uses Particle Swarm Optimization (PSO) for detection. Remarkably, a single fitness function can be used both to detect a sign belonging to a certain category and, at the same time, to estimate its actual position with respect to the camera reference frame. To speed up execution times, the algorithm exploits the parallelism offered by modern graphics cards and, in particular, the CUDA
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