Image coding method for coding characters using a modified Bezie

Details Image coding method for coding characters using a modified Bezie Image coding method for coding characters using a modified Bezie

1991-09-12

1993-08-03

Moore, David K.

Image analysis

Histogram processing

For setting a threshold

382 21, 382 22, 3582613, G06K 936, G06K 946, G06K 948, H04N 1415

Patent

active

052336719

ABSTRACT:
An image coding method extracts a contour of a bi-level image, segments the contour into a plurality of segments by fitting a predetermined generation curve on each of the segments, where the predetermined generation curve is described by control points which include end control points and direction control points, the end control points indicate ends of each segment and the direction control points indicate directions of each segment at the two ends of each segment, and codes the control points.

REFERENCES:
patent: 4675831 (1987-06-01), Ito et al.
patent: 4688182 (1987-08-01), Schrieber
patent: 4698691 (1987-10-01), Suzuki et al.
patent: 4698778 (1987-10-01), Ito et al.
patent: 4771474 (1988-09-01), Takashima et al.
patent: 5091976 (1992-02-01), Murayama

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