Pattern recognition apparatus and method using fuzzy logic
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United States of America Patent
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Dec 26, 1995
Issued Date -
N/A
app pub date -
Apr 5, 1994
filing date -
Feb 28, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Pattern recognition method and apparatus are provided which can recognize not only standard typewritten characters but also handwritten characters and various styles of fonts without the necessity of learning, formation of rules, and complicated algorithm for extracting characteristics of patterns which have been required to conventional pattern recognition apparatus. A signal representing a pattern to be recognized is inputted and converted into binary signals corresponding to the pattern. The binary signals are compared with predetermined reference patterns having indefinite boundaries. The reference patterns each are formed based on one or more multi-dimensional membership functions. A certainty factor of the pattern recognition is calculated from the comparison as the pattern recognition result.
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