Non-Photorealistic Computer Graphics Library

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Found 12 item(s) authored by "Jürgen Döllner" .
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Proceedings Sketchy drawings: a hardware-accelerated approach for real-time non-photorealistic rendering

Author(s): Marc Nienhaus, Jürgen Döllner.
Proceedings: SIGGRAPH 2003 conference on Sketches & applications, 2003.
[BibTeX] Find this paper on Google

Abstract:
In Non-Photorealistic Rendering (NPR), sketchy drawings are essential to visually communicate and illustrate drafts and ideas, for instance, in architectural or product design. However, current hardware-accelerated, real-time rendering techniques do not concentrate on sketchy drawings of arbitrary 3D scene geometries. We present an image-space rendering technique that uses today’s texture mapping and fragment shading hardware to generate sketchy drawings of arbitrary 3D scene geometry in real-time. We stress sketchiness in our drawings by simulating uncertainty. For simulating uncertainty we have to adjust visibility information using depth sprites, which allow us depth testing and 3D scene composition.

Proceedings Visualizing Design and Spatial Structure of Ancient Architecture using Blueprint Rendering
Marc Nienhaus, Jürgen Döllner.
The 5th International Symposium on Virtual Reality, Archaeology and Cultural Heritage (VAST 2004), Brussels, Belgium, 2004. [BibTeX]

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