Non-Photorealistic Computer Graphics Library

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Found 22 item(s) authored by "Tobias Isenberg" .
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Proceedings 3D Illustrative Effects for Animating Line Drawings

Author(s): Tobias Isenberg, Maic Masuch, Thomas Strothotte.
Proceedings: Proceedings of the IEEE International Conference on Information Visualisation, pp. 413--418, London, England, July 19-21, 2000.
[BibTeX] Find this paper on Google

Most illustrative techniques used in non-photorealistic rendering to date apply a rendering style to objects or a scene and alter the appearance of this style by employing illumination or depth cueing. However, for generating high quality illustrations this approach relies almost entirely on smart placement of light sources. In this paper we introduce the concept of illustrativeeffects to describe the workings of illustrative techniques that rely on spatial location rather than just illumination or depth. Although the rendering style is object-dependent, this technique allows us to visualize or emphasize parts of objects or the whole scene without being limited by the scene's object decomposition. The approach also enforces the decoupling of the model and its animation from the visualization task. We demonstrate our approach using a sample collection of illustrative effects applied to line drawings. A uniform set of tools to manipulate these effects is provided.

Article A Developer's Guide to Silhouette Algorithms for Polygonal Models
Tobias Isenberg, Bert Freudenberg, Nick Halper, Stefan Schlechtweg, Thomas Strothotte.
IEEE Computer Graphics and Applications, Vol. 23, No. 4, pp. 28--37, July/August, 2003. [BibTeX]

Technical Report Beyond Pixels: Illustration with Vector Graphics
Tobias Isenberg, Angela Brennecke, Mario Costa Sousa, M. Sheelagh T. Carpendale.
Department of Computer Science, University of Calgary, No. Technical Report 2005-804-35, Canada, December, 2005. [BibTeX]

Proceedings Breaking the Pixel Barrier
Tobias Isenberg, M. Sheelagh T. Carpendale, Mario Costa Sousa.
First Eurographics Workshop on Computational Aesthetics in Graphics, Visualization and Imaging (EGCA'05), pp. 41--48, May 18–20, Eurographics Association, 2005. [BibTeX]

PhD Thesis Capturing the Essence of Shape of Polygonal Meshes
Tobias Isenberg.
University of Magdeburg, Germany, 2004. [BibTeX]

Proceedings Combining Silhouettes, Surface, and Volume Rendering for Surgery Education and Planning
Christian Tietjen, Tobias Isenberg, Bernhard Preim.
Eurographics / IEEE VGTC Symposium on Visualization (EUROVIS 2005), pp. 303--310, Leeds, UK, June 1-3, 2005. [BibTeX]

Technical Report Creating High Quality Hatching Illustrations
Johannes Zander, Tobias Isenberg, Stefan Schlechtweg, Thomas Strothotte.
Department of Computer Science, Otto-von-Guericke University of Magdeburg, No. 12/2004, Germany, 2004. [BibTeX]

Technical Report Dynamics by Hybrid Combination of Photorealistic and Non-Photorealistic Rendering Styles
Roland Jesse, Tobias Isenberg, Bernd Nettelbeck, Thomas Strothotte.
Department of Computer Science, University of Magdeburg, No. 5/2004, Germany, 2004. [BibTeX]

Technical Report Expressive Distortion of Strokes and 3D Meshes
Petra Neumann, Tobias Isenberg, M. Sheelagh T. Carpendale, Thomas Strothotte.
Department of Computer Science, University of Calgary, No. Technical Report 2005-776-07, Canada, March, 2005. [BibTeX]

Technical Report G-Strokes: A Concept for Simplifying Line Stylization
Tobias Isenberg, Angela Brennecke.
Department of Computer Science, University of Calgary, No. 2005-780-11, Canada, April, 2005. [BibTeX]

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