Apparatus for processing character or pictorial image data

Details Apparatus for processing character or pictorial image data Apparatus for processing character or pictorial image data

1987-06-02

1988-09-13

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 22, 382 23, 382 24, 382 25, 358263, G06K 936

Patent

active

047714743

ABSTRACT:
An apparatus for processing character or pictorial image or the like for splitting the outline of a character, which is developed on x- and y-coordinates, into a plurality of blocks [P.sub.1, P.sub.n ] (where P.sub.1 and P.sub.n are a start point and an end point of an arbitrary block respectively) each defined by a univalent function involving x as a variable, then producing block data to specify the shape of each block, and storing a set of such block data as the compressed data of one character to accomplish compression of the data.

REFERENCES:
patent: 3699318 (1972-10-01), Underkoffler et al.
patent: 4254468 (1981-03-01), Craig
patent: 4298945 (1981-11-01), Kyte et al.
patent: 4338673 (1982-07-01), Brown
patent: 4513444 (1985-04-01), Oki et al.
patent: 4524456 (1985-06-01), Araki et al.
patent: 4542412 (1985-09-01), Fuse et al.

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