1. Research on machine recognition of handprinted Chinese characters;Mori,1982
2. Recognition of handprinted characters by feature similarity method;Shiono;Trans. IECE of Japan PRL 80-73,1980
3. Recognition of handprinted Chinese characters by stroke matching method;Kobayashi;Trans. IECE of Japan PRL 83-33,1981
4. Ideogram segmentation and recognition;Kasvand,1979
5. Thinning algorithms on rectangular, hexagonal and triangular arrays;Deutsch;Comm. ACM,1972