A. Barodi, A. Bajit, T. E. Harrouti, A. Tamtaoui, and M. Benbrahim "An Enhanced Artificial Intelligence-Based Approach Applied to Vehicular Traffic Signs Detection and Road Safety Enhancement", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 1, pp. 672–683, 2021, doi: 10.25046/aj060173.