1. Mori, S., Suen, C.Y., Yamamoto, K.: Historical Review of OCR Research and Development. IEEE-Proceedings 80(7), 1029–1057 (1992)
2. Plamandon, R., Lopresti, D., Schomaker, L.R.B., Srihari, R.: Online Handwriting Recognition. In: Webster, J.G. (ed.) Encyclopedia of Electrical and Electronics Eng., vol. 15, pp. 123–146. Wiley, New York (1999)
3. Amin, A.: Off-line Arabic Character Recognition: the State of the Art. Pattern Recognition 31, 517–530 (1998)
4. Nagy: Chinese Character Recognition—A Twenty Five Years Retrospective. In: Proceedings of the Ninth International Conference on Pattern Recognition, pp. 109–114 (1988)
5. Trier, D., Jain, A.K., Taxt, T.: Feature Extraction Methods for Character Recognition—a Survey. Pattern Recognition 29, 641–662 (1996)