Document Type and Number:
Japanese Patent JPS4854839
Kind Code:
A
Abstract:
An unknown pattern is converted into first and second electrical signals respectively corresponding to 32 x 32 picture elements and 8 x 8 picture elements. The second electrical signal and signals of reference patterns for classification are compared, to select a probable category of reference patterns for discrimination. Reference patterns belonging to the probable category are taken out from among the discriminating reference patterns prepared beforehand. Signals of the patterns taken out and the first electrical signal are compared, to carry out the discrimination of the unknown pattern.
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Application Number:
JP8902171A
Publication Date:
August 01, 1973
Filing Date:
November 10, 1971
Export Citation:
International Classes:
G06K9/68; G06K9/62; (IPC1-7): G06K9/12