Apparatus for converting image outline data into dot data repres

Details Apparatus for converting image outline data into dot data repres Apparatus for converting image outline data into dot data repres

1993-11-15

1995-11-28

Mancuso, Joseph

Image analysis

Pattern recognition

Feature extraction

382289, G06K 948

Patent

active

054715504

ABSTRACT:
A data converting apparatus mainly includes: a memory part for storing at least one set of outline data representative of an outline of one character which includes at least one straight line segment; a first determining part for comparing each of the at least one straight line segment with a predetermined reference direction and for determining whether the corresponding straight line segment has an orientation sufficiently similar to the orientation of the predetermined reference direction; a second determining part for determining whether a offset error produced when the straight line element determined by the first determining part is converted to a dot image deviates from a predetermined tolerance range; and a correction part for correcting the straight line segment determined by the second judging part so that the offset error of the straight line segment does not exceed the tolerance range; and filling-in part for converting the outline data including the straight line segment corrected by the correction part to a dot image and outputting dot data representative of the dot image.

REFERENCES:
patent: 5038385 (1991-08-01), Kasahara
patent: 5050228 (1991-09-01), Yoshida et al.
patent: 5073956 (1991-12-01), Kawamoto et al.
patent: 5086481 (1992-02-01), Yoshida et al.
patent: 5091976 (1992-02-01), Murayama
patent: 5093653 (1992-03-01), Ikehira
patent: 5099435 (1992-03-01), Collins et al.
patent: 5105471 (1992-04-01), Yoshida et al.
patent: 5155805 (1992-10-01), Kaasila
patent: 5191438 (1993-03-01), Katsurada et al.
patent: 5309554 (1994-05-01), Ito

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