Handwriting recognition by character template

Details Handwriting recognition by character template Handwriting recognition by character template

1992-09-08

1994-04-12

Couso, Yon J.

Image analysis

Histogram processing

For setting a threshold

382 11, 382 30, G06K 900

Patent

active

053033124

ABSTRACT:
A method for entry and recognition of elements from a set of symbols, involving a template of line segments displayed on an electronic writing surface. A stylus is applied to the electronic writing surface so as to trace a desired symbol. A computing arrangement is used to "snap" the strokes made by the stylus onto the corresponding template line segments. Upon completion of a symbol, a code is made to represent the line segments and this code is used to reference entries in a data structure to identify the appropriate corresponding computer code. If there is no match, the code for the line segments and a corresponding set of computer codes can be added to the table. This method takes advantage of natural handwriting skills and can be used for a variety of symbol sets.

REFERENCES:
patent: 3776454 (1973-12-01), Jones
patent: 4132976 (1979-01-01), Siegal
patent: 4953226 (1990-08-01), Matsuyama
Teiltelman, "Real-time recognition of hand-drawn characters", Proc. of the Fall Joint Computer Conf, Oct. 1964, San Francisco, pp. 559-575.
W. C. Lin et al, "Computer identification of constrained handprinted characters with a high recognition rate", IEEE SMC vol. 4, No. 6, Nov. 1974, pp. 497-504.
Proc. of the Eastern Computer Conf. 1957, p. 236.
D. A. Young, "Automatic character recognition", Electronic Engineering, vol. 32, Jan. 1960, pp. 2-10.

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