Non-Photorealistic Computer Graphics Library

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Found 13 item(s) authored by "John F. Hughes" .
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Proceedings A Suggestive Interface for 3D Drawing
Takeo Igarashi, John F. Hughes.
14th annual ACM symposium on User interface software and technology (UIST'01), pp. 173--181, Orlando, Florida, November 11-14, 2001. [BibTeX]

Proceedings An Interface for Sketching 3D Curves
Jonathan M. Cohen, Lee Markosian, Robert C. Zeleznik, John F. Hughes, Ronen Barzel.
Proceedings of the 1999 ACM Symposium on Interactive 3D Graphics, pp. 17--21, 1999. [BibTeX]

Proceedings Art-Based Rendering of Fur, Grass, and Trees
Michael A. Kowalski, Lee Markosian, J.D. Northrup, Lubomir D. Bourdev, Ronen Barzel, Loring S. Holden, John F. Hughes.
Proceedings of Siggraph 99, 1999. [BibTeX]

Proceedings Art-based Rendering with Continuous Levels of Detail
Lee Markosian, Barbara J. Meier, Michael A. Kowalski, Loring S. Holden, J.D. Northrup, John F. Hughes.
1st International Symposium on Non-Photorealistic Animation and Rendering (NPAR'00), pp. 59--66, Annecy, France, June 05 - 07, 2000. [BibTeX]

Proceedings Hardware-Determined Feature Edges
Morgan McGuire, John F. Hughes.
3rd International Symposium on Non-Photorealistic Animation and Rendering (NPAR'04), pp. 35-147, 2004. [BibTeX]

Proceedings Harold: A World Made of Drawings
Jonathan M. Cohen, John F. Hughes, Robert C. Zeleznik.
1st International Symposium on Non-Photorealistic Animation and Rendering (NPAR'00), pp. 83--90, Annecy, France, June 05 - 07, 2000. [BibTeX]

Proceedings Multiperspective Panoramas for Cel Animation
Daniel Wood, Adam Finkelstein, Craig E. Thayer, John F. Hughes, David H. Salesin.
SIGGRAPH '97, pp. 243--250, Aug, 1997. [BibTeX]

Proceedings Orientable Textures for Image-Based Pen-and-Ink Illustration
Michael P. Salisbury, Michael Wong, John F. Hughes, David H. Salesin.
SIGGRAPH '97: Proceedings of the 24th annual conference on Computer graphics and interactive techniques, pp. 401--406, New York, NY, USA, ACM Press/Addison-Wesley Publishing Co., 1997. [BibTeX]

Proceedings Rapid Approximate Silhouette Rendering of Implicit Surfaces
David J. Bremer, John F. Hughes.
Proceedings of Implicit Surfaces '98, pp. 155--164, June, 1998. [BibTeX]

Proceedings Real-Time Nonphotorealistic Rendering

Author(s): Lee Markosian, Michael A. Kowalski, Samuel J. Trychin, Lubomir D. Bourdev, Daniel Goldstein, John F. Hughes.
Proceedings: ACM Siggraph 97, Annual Conference Series 1997, pp. 415--420, August, 1997.
[BibTeX] Find this paper on Google

Nonphotorealistic rendering (NPR) can help make comprehensible but simple pictures of complicated objects by employing an economy of line. But current nonphotorealistic rendering is primarily a batch process. This paper presents a real-time nonphotorealistic renderer that deliberately trades accuracy and detail for speed. Our renderer uses a method for determining visible lines and surfaces which is a modification of Appel’s hidden-line algorithm, with improvements which are based on the topology of singular maps of a surface into the plane. The method we describe for determining visibility has the potential to be used in any NPR system that requires a description of visible lines or surfaces in the scene. The major contribution of this paper is thus to describe a tool which can significantly improve the performance of these systems. We demonstrate the systemwith several nonphotorealistic rendering styles, all of which operate on complex models at interactive frame rates.

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