Non-Photorealistic Computer Graphics Library

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Found 13 item(s) authored by "Lee Markosian" .
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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]

PhD Thesis Art-based Modeling and Rendering for Computer Graphics
Lee Markosian.
Department of Computer Science, Brown University, 2000. [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 Artistic Silhouettes: A Hybrid Approach
J.D. Northrup, Lee Markosian.
1st International Symposium on Non-Photorealistic Animation and Rendering (NPAR'00), pp. 31--37, Annecy, France, June 05 - 07, 2000. [BibTeX]

Article Coherent stylized silhouettes
Robert D. Kalnins, Philip L. Davidson, Lee Markosian, Adam Finkelstein.
ACM Transactions on Graphics, Vol. 22, No. 3, pp. 856--861, July, 2003. [BibTeX]

Article Detail Control in Line Drawings of 3D Meshes

Author(s): Kyuman Jeong, Alex Ni, Seungyong Lee, Lee Markosian.
Article: The Visual Computer (Pacific Graphics 2005), Vol. 21, No. 8, pp. 698--706, 2005.
[BibTeX] [DOI] Find this paper on Google

Abstract:
We address the problem of rendering a 3D mesh in the style of a line drawing, in which little or no shading is used and instead shape cues are provided by silhouettes and suggestive contours. Our specific goal is to depict shape features at a desired scale. For example, when mesh triangles project into the image plane at sub-pixel sizes, both suggestive contours and silhouettes may form dense networks that convey shape poorly. The solution we propose is to convert the input mesh to a multi-resolution representation (specifically, a progressive mesh), then view-dependently refine or coarsen the mesh to control the size of its triangles in image space. We thereby control the scale of shape features that are depicted via silhouettes and suggestive contours. We propose a novel refinement criterion that achieves this goal, and we address the problem of maintaining temporal coherence of silhouette and suggestive contours when extracting them from a changing mesh.

Technical Report Multi-scale Line Drawings from 3D Meshes
Alex Ni, Kyuman Jeong, Seungyong Lee, Lee Markosian.
Department of Electrical Engineering and Computer Science, University of Michigan, No. CSE-TR-510-05, July, 2005. [BibTeX]

Proceedings Multi-scale line drawings from 3D meshes
Alex Ni, Kyuman Jeong, Seungyong Lee, Lee Markosian.
SI3D '06: Proceedings of the 2006 symposium on Interactive 3D graphics and games, pp. 133--137, New York, NY, USA, ACM Press, 2006. [BibTeX]

Proceedings Real-Time Nonphotorealistic Rendering
Lee Markosian, Michael A. Kowalski, Samuel J. Trychin, Lubomir D. Bourdev, Daniel Goldstein, John F. Hughes.
ACM Siggraph 97, Annual Conference Series 1997, pp. 415--420, August, 1997. [BibTeX]

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