Method of compressing character or pictorial image data using cu

Details Method of compressing character or pictorial image data using cu Method of compressing character or pictorial image data using cu

1987-05-21

1989-08-01

Malzahn, David H.

Boots, shoes, and leggings

364723, G06F 15353

Patent

active

048538850

ABSTRACT:
A method of curve approximation comprises a dividing step for dividing a curve into arcs classified into four quadrant directions according to a normal thereof, each having a single-value monotone increasing or decreasing function, and a calculating step for calculating an approximate curve represented by a curve approximation function by using an interval between end points of each arc as a curve approximation interval.

REFERENCES:
patent: 3652839 (1972-03-01), Maekawa et al.
patent: 3789203 (1974-01-01), Catherall
patent: 4158887 (1979-06-01), Kosugi
patent: 4272808 (1981-06-01), Hartwig

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