Apparatus for converting character outline data into dot data, h

Details Apparatus for converting character outline data into dot data, h Apparatus for converting character outline data into dot data, h

1991-02-11

1992-04-14

Razavi, Michael

Image analysis

Histogram processing

For setting a threshold

382 46, 382 48, 382 55, G06K 948

Patent

active

051054710

ABSTRACT:
A data converting apparatus for converting outline data of a character into dot data including dot-forming bits each indicative of an image dot to be formed at a position of a corresponding dot-forming picture element which lies within the outline of each stroke of the character, when the character outline is superimposed on a pixel screen wherein picture elements are defined by x-axis and y-axis pixel lines perpendicular to each other. The apparatus includes a device for changing width direction data indicative of a direction of a nominal width of each stroke, if the outline data of the character are subjected to a conversion for rotation or italicization of the character as represented by the converted outline data. The width direction data is changed depending upon the specific condition of the outline data conversion, before at least one of two segments of the character outline which define the width of the stroke is moved in the direction indicated by the width direction data so that the reproduction width of the rotated or italicized character is equal to the nominal width.

REFERENCES:
patent: 4736442 (1988-04-01), Kornfeld
patent: 4845768 (1989-07-01), Kochert et al.
patent: 4931953 (1988-04-01), Uehara et al.
patent: 4984284 (1989-02-01), Masaki

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