Method and apparatus for generating and displaying freeform stro

Details Method and apparatus for generating and displaying freeform stro Method and apparatus for generating and displaying freeform stro

1991-12-30

1994-08-23

Nguyen, Phu K.

395141, G06F 1562

Patent

active

053414675

ABSTRACT:
Method and apparatus for generating and displaying a freeform stroke of varying or constant width by generating points along a centerline curve and right and left offset curves of the freeform stroke using an adaptive forward differencing technique.

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Chua, Y. S., "Bezier Brushstrokes," Computer-Aided Design, vol. 22, No. 9, Nov. 1990, pp. 550-556.
Pham, B., "Expressive Brush Strokes," CVGIP: Graphical Models and Image Processing, vol. 53, No. 1, Jan. 1991, pp. 1-6.
S-L Lien et al., "Adaptive Forward Differencing for Rendering Curves and Surfaces," Computer Graphics, vol. 21, No. 4, Jul. 1987.
R. Klassen, "Integer Forward Differencing of Cubic Polynomials: Analysis and Algorithms," AMC Transactions on Graphics, vol. 10, No. 2, Jul. 1987, pp. 152-181.

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