Image analysis – Histogram processing – With pattern recognition or classification
Patent
1997-11-06
1999-11-16
Kelley, Christopher S.
Image analysis
Histogram processing
With pattern recognition or classification
382229, 704 4, 704 10, G06K 972
Patent
active
059871709
ABSTRACT:
There is disclosed a character recognition machine adapted to recognize Japanese characters such as kanjis and kanas. The machine comprises a character string storage portion, a character extraction portion, a character recognition portion, and a language processing portion. A character string to be recognized is stored as an image in the storage portion. The character extraction portion comprises a network consisting a plurality of interconnected operators each of which has numerous inputs and outputs. An evaluation function which assumes its minimum value when a character extraction produces the best results is calculated by the operators simultaneously so as to minimize the value of the function. The character recognition portion calculates degrees of similarity of a character pattern to various character categories, the character pattern being applied from the character extraction portion. The language processing portion receives these degrees of similarity and selects a character category which seems to provide the most correct combination of characters in terms of vocabulary and grammar.
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Ito Satoru
Kayashima Kazuhiro
Kojima Yoshihiro
Kouda Toshiyuki
Maekawa Hidetsugu
Kelley Christopher S.
Matsushita Electric - Industrial Co., Ltd.
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