1. The history of OCR optical character recognition;Schantz,1982
2. Automatic recognition of handprinted characters;Suen,1980
3. The state of the art in on-line handwriting recognition;Tappert;IEEE Trans. Pattern Analysis Mach. Intell.,1990
4. Arabic character recognition system;Ramsis,1988
5. A syntactic omni-font character recognition system;Wolberg,1986