[1] KAWAGUCHI H. Application system using license plate recognition technology[J].NEC Technical Journal, 2001,54(7):19-22.
[3] NIJHUIS J A G, TER BRUGGE M H, HELMHOLT K A, et al. Car license plate recognition with neural networks and fuzzy logic[A]. Portuguese conference on ai, EPIA'95[C]. Funchal: Springer-Verlag:25-34.