Non-Photorealistic Computer Graphics Library

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Found 7 item(s) authored by "Allison W. Klein" .

Proceedings A Spectral Approach to NPR Packing
Ketan Dalal, Allison W. Klein, Yunjun Liu, Kaleigh Smith.
NPAR '06: Proceedings of the 4th international symposium on Non-photorealistic animation and rendering, pp. 71--78, New York, NY, USA, June, ACM Press, 2006. [BibTeX]

Proceedings Animosaics
Kaleigh Smith, Yunjun Liu, Allison W. Klein.
ACM SIGGRAPH/Eurographics Symposium on Computer animation (SCA'05), pp. 201--208, 2005. [BibTeX]

Proceedings Isoluminant Color Picking for Non-Photorealistic Rendering
Trân-Quân Luong, Ankush Seth, Allison W. Klein, Jason Lawrence.
Graphics Interface (GI'05), pp. 233--240, June, 2005. [BibTeX]

Proceedings Non-Photorealistic Virtual Environments

Author(s): Allison W. Klein, Wilmot Li, Michael M. Kazhdan, Wagner T. Correa, Adam Finkelstein, Thomas A. Funkhouser.
Proceedings: Proceedings of SIGGRAPH 2000, Kurt Akeley, pp. 527--534, July, ACM Press / ACM SIGGRAPH / Addison Wesley Longman, 2000.
[BibTeX] Find this paper on Google

Abstract:
We describe a system for non-photorealistic rendering (NPR) of virtual environments. In real time, it synthesizes imagery of architectural interiors using stroke-based textures. We address the four main challenges of such a system – interactivity, visual detail, controlled stroke size, and frame-to-frame coherence – through image based rendering (IBR) methods. In a preprocessing stage, we capture photos of a real or synthetic environment, map the photos to a coarse model of the environment, and run a series of NPR filters to generate textures. At runtime, the system re-renders the NPR textures over the geometry of the coarse model, and it adds dark lines that emphasize creases and silhouettes. We provide a method for constructing non-photorealistic textures from photographs that largely avoids seams in the resulting imagery. We also offer a new construction, art-maps, to control stroke size across the images. Finally, we show a working system that provides an immersive experience rendered in a variety of NPR styles.

Proceedings Performance-Driven Hand-Drawn Animation
Ian Buck, Adam Finkelstein, Charles Jacobs, Allison W. Klein, David H. Salesin, Joshua E. Seims, Richard Szeliski, Kentaro Toyama.
1st International Symposium on Non-Photorealistic Animation and Rendering (NPAR'00), pp. 101--108, Annecy, France, June 05 - 07, 2000. [BibTeX]

Proceedings Stylized Video Cubes
Allison W. Klein, Peter-Pike J. Sloan, Adam Finkelstein, Michael F. Cohen.
ACM SIGGRAPH Symposium on Computer Animation, pp. 15--22, July, 2002. [BibTeX]

Proceedings Video Mosaics
Allison W. Klein, Tyler Grant, Adam Finkelstein, Michael F. Cohen.
NPAR 2002: Second International Symposium on Non Photorealistic Rendering, pp. 21--28, June, 2002. [BibTeX]

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