Title :
Handwritten Kanji recognition with the LDA method
Author :
Kawatani, Takahiko ; Shimizu, Hiroyuki
Author_Institution :
Hewlett-Packard Lab., Kanagawa, Japan
Abstract :
We describe the application of the LDA method (learning by discriminant analysis) to handwritten Kanji recognition. In the LDA method, the discriminant function obtained by applying Fisher´s linear discriminant analysis is superposed onto the original distance function such as the weighted Euclidean distance. The LDA method is applied to transformed features obtained by using canonical discriminant analysis. We also propose a new feature extraction method that reflects structural information of Kanji. When the LDA method is used, the misrecognition rate for test patterns was reduced by 36%
Keywords :
feature extraction; optical character recognition; LDA method; canonical discriminant analysis; discriminant analysis learning; discriminant function; feature extraction method; handwritten Kanji recognition; linear discriminant analysis; misrecognition rate; test patterns; weighted Euclidean distance; Dictionaries; Euclidean distance; Feature extraction; Handwriting recognition; Laboratories; Linear discriminant analysis; Pattern recognition; Vectors;
Conference_Titel :
Pattern Recognition, 1998. Proceedings. Fourteenth International Conference on
Conference_Location :
Brisbane, Qld.
Print_ISBN :
0-8186-8512-3
DOI :
10.1109/ICPR.1998.711940