**Importance Driven Halftoning**

Lisa M. Streit.

University of Alberta,
1998. [BibTeX]

**Interactive Non-Photorealistic Technical Illustration**

Amy A. Gooch.

Department of Computer Science, University of Utah, December,
1998. [BibTeX]

**Interactive Topological Drawing**

Robert Glenn Scharein.

Department of Computer Science, University of British Columbia, March,
1998. [BibTeX]

**Interleaved Dimension Decomposition**

Manfred Kopp, Werner Purgathofer.

Institute of Computer Graphics and Algorithms, Vienna University of Technology, No. TR-186-2-98-03, A-1040 Karlsplatz 13/186/2, January,
1998. [BibTeX]

**Line Art Illustrations of Parametric and Implicit Forms**

Gershon Elber.

IEEE Transactions on Visualization and Computer Graphics, Vol. 4, No. 1, pp. 71--81, January,
1998. [BibTeX]

**Mathematical Tools for Computer-Generated Ornamental Patterns****Author(s): **Victor Ostromoukhov.**In Collection: **Electronic Publishing, Artistic Imaging and Digital Typography, Lecture Notes in Computer Science 1375, Springer Verlag, pp. 193--223,
1998.

[BibTeX]

**Abstract: **

This article presents mathematical tools for computer-generated ornamental patterns, with a particular attention payed to Islamic patterns. The article shows how, starting from a photo or a sketch of an ornamental figure, the designer analyzes its structure and produces the analytical representation of the pattern. This analytical representation in turn is used to produce a drawing which is integrated into a computer-generated virtual scene. The mathematical tools for analysis of ornamental patterns consist of a subset of tools usually used in the mathematical theory of tilings such as planar symmetry groups and Cayley diagrams. A simple and intuitive step-by-step guide is provided.

**Painterly Rendering with Curved Brush Strokes of Multiple Sizes**

Aaron Hertzmann.

SIGGRAPH 98 Conference Proceedings, pp. 453--460, Orlando, Florida, July,
1998. [BibTeX]

**Penrose Tiling**

Andrew Glassner.

IEEE Computer Graphics and Applications, Vol. 18, No. 4, pp. 78--86, July/August,
1998. [BibTeX]

**Rapid Approximate Silhouette Rendering of Implicit Surfaces**

David J. Bremer, John F. Hughes.

Proceedings of Implicit Surfaces '98, pp. 155--164, June,
1998. [BibTeX]

**Rendering Nonphotorealistic Strokes with Temporal and Arc-length Coherence**

Lubomir D. Bourdev.

Brown University, May,
1998. [BibTeX]

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