Non-Photorealistic Computer Graphics Library

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Found 12 item(s) authored by "Jürgen Döllner" .
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Proceedings Blueprints: illustrating architecture and technical parts using hardware-accelerated non-photorealistic rendering

Author(s): Marc Nienhaus, Jürgen Döllner.
Proceedings: Graphics Interface (GI'04), pp. 49--56, Canadian Human-Computer Communications Society, 2004.
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Outlining and enhancing visible and occluded features in drafts of architecture and technical parts are essential techniques to visualize complex aggregated objects and to illustrate position, layout, and relations of their components.In this paper, we present blueprints, a novel non-photorealistic hardware-accelerated rendering technique that outlines visible and non-visible perceptually important edges of 3D objects. Our technique is based on the edge map algorithm and the depth peeling technique to extract these edges from arbitrary 3D scene geometry in depth-sorted order. After edge maps have been generated, they are composed in image space using depth sprites, which allow us to combine blueprints with further 3D scene contents. We introduce depth masking to dynamically adapt the number of rendering passes for highlighting and illustrating features of particular importance and their relation to the entire assembly. Finally, we give an example of blueprints that visualize and illustrate ancient architecture in the scope of cultural heritage.

Article Depicting Dynamics Using Principles of Visual Art and Narrations
Marc Nienhaus, Jürgen Döllner.
IEEE Computer Graphics and Applications, Vol. 25, No. 3, pp. 40--51, May/June, 2005. [BibTeX]

Proceedings Dynamic Glyphs - Depicting Dynamics in Images of 3D Scenes
Marc Nienhaus, Jürgen Döllner.
Proceedings of Third International Symposium on Smart Graphics, pp. 102--111, July, 2003. [BibTeX]

Proceedings Edge-Enhancement – An Algorithm for Real-Time Non-Photorealistic Rendering
Marc Nienhaus, Jürgen Döllner.
11th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision (WSCG), 2003. [BibTeX]

In Book GPU Gems II: Programming Techniques for High Performance Graphics and General-Purpose Computation
Marc Nienhaus, Jürgen Döllner.
M. Pharr, Blueprint Rendering and Sketchy Drawings, pp. 235--252, Addison-Wesley Professional, 2005. [BibTeX]

Proceedings Illustrating Design and Spatial Assembly of Interactive CSG
Marc Nienhaus, Florian Kirsch, Jürgen Döllner.
Proceedings of 4th International Conference on Computer Graphics, Virtual Reality, Visualisation and Interaction in Africa (ACM AFRIGRAPH 2006), pp. 91--98, Cape Town, South Africa, January 25 - 27, 2006. [BibTeX]

Proceedings Illustrating Terrains using Direction of Slope and Lighting
Kevin Buchin, Mario Costa Sousa, Jürgen Döllner, Faramarz Samavati, Maike Walther.
4th ICA Mountain Cartography Workshop, Vall de Núria, Catalunya, Spain, 30th September - 2nd. October 2004, 2004. [BibTeX]

Proceedings Illustrative Visualization of 3D City Models
Jürgen Döllner, Henrik Buchholz, Marc Nienhaus, Florian Kirsch.
Proceedings of SPIE - Visualization and Data Analysis (VDA 2005), San Jose, CA, USA, 2005. [BibTeX]

Article Image and Video Abstraction by Anisotropic Kuwahara Filtering
Jan Eric Kyprianidis, Henry Kang, Jürgen Döllner.
Computer Graphics Forum (Special Issue on Pacific Graphics 2009), Vol. 28, No. 7, pp. 1955--1963, October, 2009. [BibTeX]

Proceedings Sketchy Drawings
Marc Nienhaus, Jürgen Döllner.
AFRIGRAPH '04: Proceedings of the 3rd international conference on Computer graphics, virtual reality, visualisation and interaction in Africa, pp. 73--81, Stellenbosch, South Africa, ACM Press, 2004. [BibTeX]

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