Non-Photorealistic Computer Graphics Library

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Found 13 item(s) authored by "Lee Markosian" .
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Article Stroke Pattern Analysis and Synthesis

Author(s): Pascal Barla, Simon Breslav, Joëlle Thollot, François X. Sillion, Lee Markosian.
Article: Computer Graphics Forum, Vol. 25, No. 3, pp. 663--671, 2006.
[BibTeX] Find this paper on Google

Abstract:
We present a synthesis technique that can automatically generate stroke patterns based on a user-specified reference pattern. Our method is an extension of texture synthesis techniques to vector-based patterns. Such an extension requires (a) an analysis of the pattern properties to extract meaningful pattern elements (defined as clusters of strokes) and (b) a synthesis algorithm based on similarities in the detected stroke clusters. Our method is based on results from human vision research concerning perceptual organization. The resulting synthesized patterns effectively reproduce the properties of the input patterns, and can be used to fill both 1D paths and 2D regions.


Article WYSIWYG NPR: Drawing Strokes Directly on 3D Models
Robert D. Kalnins, Lee Markosian, Barbara J. Meier, Michael A. Kowalski, Joseph C. Lee, Philip L. Davidson, Matthew Webb, John F. Hughes, Adam Finkelstein.
ACM Transactions on Graphics, Vol. 21, No. 3, pp. 755--762, July, 2002. [BibTeX]

Proceedings X-Toon: An Extended Toon Shader
Pascal Barla, Joëlle Thollot, Lee Markosian.
NPAR '06: Proceedings of the 4th international symposium on Non-photorealistic animation and rendering, pp. 127--132, New York, NY, USA, June, ACM Press, 2006. [BibTeX]

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