C. V. . Niño-Rondón, D. A. . Castellano-Carvajal, S. A. . Castro-Casadiego, B. . Medina-Delgado, and D. . Guevara-Ibarra, “Detection of license plates by means of a cascade classifier model based on Python language”, ECOMATEMATICO, vol. 12, no. 1, pp. 41–53, Jan. 2021.