Non-Photorealistic Computer Graphics Library

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Found 10 item(s) authored by "William Baxter" .

Proceedings A Versatile Interactive 3D Brush Model
William Baxter, Ming C. Lin.
12th Pacific Conference on Computer Graphics and Applications (PG'04), October, 2004. [BibTeX]

Article A Viscous Paint Model for Interactive Applications
William Baxter, Yuanxin Liu, Ming C. Lin.
The Computer Animation and Social Agents Conference (CASA), Vol. 15, No. 3-4, pp. 433--441, July, 2004. [BibTeX]

Article A viscous paint model for interactive applications
William Baxter, Yuanxin Liu, Ming C. Lin.
Computer Animation and Virtual Worlds, Vol. 15, No. 3-4, pp. 433--441, July, 2004. [BibTeX]

Proceedings DAB: Interactive Haptic Painting with 3D Virtual Brushes
William Baxter, Vincent Scheib, Ming C. Lin, Dinesh Manocha.
SIGGRAPH 2001, Computer Graphics Proceedings, Eugene Fiume, pp. 461--468, ACM Press / ACM SIGGRAPH, 2001. [BibTeX]

Proceedings IMPaSTo - A Realistic, Interactive Model for Paint
William Baxter, Jeremy Wendt, Ming C. Lin.
3rd International Symposium on Non-Photorealistic Animation and Rendering (NPAR'04), pp. 45--56, June, 2004. [BibTeX]

Article Locally Controllable Stylized Shading
Hideki Todo, Ken-ichi Anjyo, William Baxter, Takeo Igarashi.
ACM Transactions on Graphics, Vol. 26, No. 3, pp. 17:1--17:7, 2007. [BibTeX]

Article N-way morphing for 2D animation

Author(s): William Baxter, Pascal Barla, Ken Anjyo.
Article: Computer Animation and Virtual Worlds, Vol. 20, No. 2-3, pp. 79--87, 2009.
[BibTeX] [DOI] Find this paper on Google

Abstract:
We present a novel approach to the creation of varied animations from a small set of simple 2D input shapes. Instead of providing a new 2D shape for each keyframe of an animation sequence, we interpolate between a few example shapes in a reduced pose-space. Similar approaches have been presented in the past, but were restricted in the types of input or range of deformations allowed. In order to address these limitations, we reformulate the problem as an N-way morphing process on 2D input bitmap or vector graphics. Our formulation includes an N-way mapping technique, an efficient, rigidity preserving nonlinear blending function, improved extrapolation and a novel scattered data interpolation technique to manage the reduced pose-space. The resulting animations are correlated to paths in the reduced pose-space, allowing users to intuitively and interactively control temporal behaviours with simple gestures. We demonstrate our techniques in several example animations.

Article Physically based virtual painting
Ming C. Lin, William Baxter, Vincent Scheib, Jeremy Wendt.
Communications of the ACM - Interactive immersion in 3D graphics, Vol. 47, No. 8, pp. 40--47, August, 2004. [BibTeX]

PhD Thesis Physically-Based Modeling Techniques for Interactive Digital Painting
William Baxter.
University of North Carolina, Department of Computer Science, 2004. [BibTeX]

Proceedings Tweakable Light and Shade for Cartoon Animation
Ken Anjyo, Shuhei Wemler, William Baxter.
NPAR '06: Proceedings of the 4th international symposium on Non-photorealistic animation and rendering, pp. 133--139, New York, NY, USA, ACM Press, 2006. [BibTeX]

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