Pen-type character recognition apparatus

Details Pen-type character recognition apparatus Pen-type character recognition apparatus

1985-07-11

1988-06-14

Moore, David K.

Image analysis

Histogram processing

For setting a threshold

178 18, G06K 900

Patent

active

047517417

ABSTRACT:
A pen-type character recognition apparatus includes an input data detecting section for detecting input character data as data representing a certain character according to a change in pressure applied to a tip element of a pen. A data processing section standardizes the output data from the input data detecting section by compressing the output data to a predetermined number of data for the character, so as to generate corresponding standardized data. A data registering section registers in advance selected standardized data as standard pattern data for corresponding to the predetermined input character data when a character is written with the pen tip element, and an input character recognizing section recognizes the character represented by the input character data by comparing the standardized data generated from the data processing section with the data registered in advance in the data registering section.

REFERENCES:
patent: 3487371 (1969-12-01), Frank
patent: 4070649 (1978-01-01), Wright, Jr. et al.
patent: 4128829 (1978-12-01), Herbst et al.
patent: 4141073 (1979-02-01), Tan
patent: 4142175 (1979-02-01), Herbst et al.
patent: 4241409 (1980-12-01), Nolf

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