Pattern recognition apparatus

Details Pattern recognition apparatus Pattern recognition apparatus

1989-06-06

1991-11-12

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 22, 382 24, 382 56, G06K 950

Patent

active

050654390

ABSTRACT:
In converting line image data of a minute shape portion into polygonal line data, a pattern recognition apparatus is designed so as to determine polygonal line data from line image data by conventional polygonal line conversion processing technique, to presume an optimum shaping for for a shape formed by a group of the polygonal line data from the relationship with the drawing therearound, and to judge whether a path of the shaping form passes on the line image at a given constant percentage or larger. This permits an approximation of a minute shape portion likely to undergo an influence from digital noise to polygonal line with a high reliability.

REFERENCES:
patent: 4388610 (1983-06-01), Tsunekawa
patent: 4550434 (1985-10-01), Shimada et al.
patent: 4748675 (1988-05-01), Suzuki et al.
patent: 4783829 (1988-11-01), Miyakawa et al.

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