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Fourth International Conference Document Analysis and Recognition (ICDAR'97)
Shape based Learning for a Multi-Template Method, and its Application to Handprinted Numeral Recognition
Ulm, GERMANY
August 18-August 20
ISBN: 0-8186-7898-4
Toshifumi Yamauchi, NEC Corporation
Yasuharu Itamoto, NEC Corporation
Jun Tsukumo, NEC Corporation
Character recognition by multi-template methods is promising. Higher classification performance can be achieved according to an increase in the number of templates. However, classification performance is saturated, because there is classifiability loss in feature extraction. This paper proposes a new multi-template method, which learns training patterns with character shape information assigned by authors. This method uses contour feature and direction feature, and includes a character shape consistency test applied to the conventional multi-template methods. This paper presents experimental results obtained from handprinted numerals. On the ETL-6 database classification experiment, the classification rate was 99.19% and the substitution rate was 0.03%. A higher classification rate could be achieved.
Citation:
Toshifumi Yamauchi, Yasuharu Itamoto, Jun Tsukumo, "Shape based Learning for a Multi-Template Method, and its Application to Handprinted Numeral Recognition," icdar, pp.495, Fourth International Conference Document Analysis and Recognition (ICDAR'97), 1997
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