Apparatus and method for identifying a character transcribed ont

Details Apparatus and method for identifying a character transcribed ont Apparatus and method for identifying a character transcribed ont

1997-04-15

1998-08-04

Couso, Jose L.

Image analysis

Pattern recognition

On-line recognition of handwritten characters

382188, G06K 900

Patent

active

057906980

ABSTRACT:
An identification arrangement for a character transcribed onto a surface has sensors, circuits for periodically detecting the state of the output signals from the sensors, and a change-of-state detector for determining which, among the output signals, is in a high state. Each of the output signals in a high state is compared with the output signal which had been produced by the same sensor during detection of the preceding state. A storage unit stores an identifier corresponding to the sensors for which a change of state has thus been detected, the stored identifiers thus forming a sequence of identifiers corresponding to the transcribed character. The stored sequence of identifiers is compared with at least one sequence of reference identifiers in order to identify the transcribed character.

REFERENCES:
patent: 3835453 (1974-09-01), Narayanan
patent: 4047010 (1977-09-01), Perotto et al.
patent: 4070649 (1978-01-01), Wright, Jr. et al.
patent: 4477797 (1984-10-01), Nakagiri
patent: 4953226 (1990-08-01), Matsuyama

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