Computer graphics processing and selective visual display system – Computer graphics processing – Attributes
Reexamination Certificate
2006-05-02
2006-05-02
Hjerpe, Richard (Department: 2672)
Computer graphics processing and selective visual display system
Computer graphics processing
Attributes
C345S698000, C345S699000, C345S600000, C345S604000, C345S003200, C345S003400
Reexamination Certificate
active
07038697
ABSTRACT:
A system and method for generating color gradients is provided. The system generates color gradients using techniques from geometric surface modeling. The system and method of the present invention allow designers to specify very complex gradients in a simple way. The system can employ, for example, a vector-based interpolation method and/or a pixel-based partial differential equation (PDE) interpolation methods to facilitate generation of the color gradients. In one example, input boundary curves and/or feature curves are approximated by line segments, which are then utilized to generate a triangulation approximating a smooth color gradient.
REFERENCES:
patent: 5333248 (1994-07-01), Christensen
patent: 5339387 (1994-08-01), Frankel
patent: 5367617 (1994-11-01), Goossen et al.
patent: 5701404 (1997-12-01), Stevens et al.
patent: 5982381 (1999-11-01), Joshi et al.
patent: 6121976 (2000-09-01), Lu
patent: 6271861 (2001-08-01), Sargent et al.
patent: 6393145 (2002-05-01), Betrisey et al.
patent: 2004/0090437 (2004-05-01), Uesaki et al.
patent: 0872811 (1998-03-01), None
patent: 0949591 (1999-03-01), None
Coloma Ballester, M. Bertalmio, V. Caselles, Guillermo Sapiro, Joan Verdera: Filling-In by Joint Interpolation of Vector Fields and Gray Levels Aug. 2001, IEEE Transactions on Image Processing, vol. 10, No. 8, pp. 1200-1211.
Murray et al.: Graphics Data 1996, http:/
etghost.narod.ru/gff/graphics/book/ch01—03.htm.
European Search Report, EP30047RK900peu, mailed Feb. 11, 2005.
George Celniker and Dave Gossard, “Deformable Curve Surface Finite-Elements for Free-Form Shape Design”, Schlumberger Laboratory for Computer Science, Cambridge, MA, Jul., 1991, 10 pgs.
William Welch and Andrew Witkin, “Variational Surface Modeling”, School of Computer Science Carnegie Mellon University, Pittsburgh, PA, 1992, 10 pgs.
Gangnet Michel J.
Kallay Michael
Lounsbery John Michael
Perez Patrick
Stollnitz Eric J.
Amin & Turocy LLP
Betz Blake
Hjerpe Richard
Microsoft Corporation
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