Non-Photorealistic Computer Graphics Library

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Found 10 item(s) authored by "David Ebert" .

Proceedings Example-based Volume Illustrations
Aidong Lu, David Ebert.
IEEE Visualization 2005, 2005. [BibTeX]

Article Illustration Motifs for Effective Medical Volume Illustration
Nikolai A. Svakhine, David Ebert, Don Stredney.
IEEE Computer Graphics and Applications, Vol. 25, No. 3, pp. 31--39, May/June, 2005. [BibTeX]

Article Illustrative Interactive Stipple Rendering
Aidong Lu, Christopher Morris, Joe Taylor, David Ebert, Charles Hansen, Penny Rheingans, Mark Hartner.
IEEE Transactions on Visualization and Computer Graphics, pp. 127--138, 2003. [BibTeX]

In Collection Illustrative Visualization

Author(s): Ivan Viola, M. Eduard Gröller, Markus Hadwiger, Katja Bühler, Bernhard Preim, David Ebert.
In Collection: Eurographics 2005 - Tutorials, The Eurographics Association and The Image Synthesis Group, Ming Lin and Celine Loscos, pp. 187--329, 2005.
[BibTeX] Find this paper on Google

Abstract:
The tutorial presents state-of-the-art visualization techniques inspired by traditional technical and medical illustrations. Such techniques exploit the perception of the human visual system and provide effective visual abstractions to make the visualization clearly understandable. Visual emphasis and abstraction has been used for expressive presentation from prehistoric paintings to nowadays scientific and medical illustrations. Many of the expressive techniques used in art are adopted in computer graphics, and are denoted as illustrative or non-photorealistic rendering. Different stroke techniques, or brush properties express a particular level of abstraction. Feature emphasis or feature suppression is achieved by combining different abstraction levels in illustrative rendering. Challenges in visualization research are very large data visualization as well as multi-dimensional data visualization. To effectively convey the most important visual information there is a significant need for visual abstraction. For less relevant information the dedicated image space is reduced to enhance more prominent features. The discussed techniques in the context of scientific visualization are based on iso-surfaces and volume rendering. Apart from visual abstraction, i.e., illustrative representation, the visibility of prominent features can be achieved by illustrative visualization techniques such as cut-away views or ghosted views. The structures that occlude the most prominent information are suppressed in order to clearly see more interesting parts. Another smart way to provide information on the data is using exploded views or other types of deformation. Illustrative visualization is demonstrated via application-specific tasks in medical visualization. An important aspect as compared to traditional medical illustrations is the interactivity and real-time manipulation of the acquired patient data. This can be very useful in anatomy education. Another application area is surgical planning which is demonstrated with two case studies: neck dissection and liver surgery planning.

Article Interactive Illustrative Rendering on Mobile Devices
Jingshu Huang, Brian Bue, Avin Pattath, David Ebert, Krystal M. Thomas.
IEEE Computer Graphics and Applications, Vol. 27, No. 3, pp. 48--56, 2007. [BibTeX]

Proceedings Interactive Volume Illustration and Feature Halos
Nikolai A. Svakhine, David Ebert.
11th Pacific Conference on Computer Graphics and Applications (PG'03), 2003. [BibTeX]

Proceedings Non-photorealistic Volume Rendering Using Stippling Techniques
Aidong Lu, Christopher Morris, David Ebert, Penny Rheingans, Charles Hansen.
Proceedings of IEEE Visualizaton 2002, pp. 211--218, 2002. [BibTeX]

In Collection Theory and Practice of Non-Photorealistic Graphics: Algorithms, Methods, and Production Systems
Brett Achorn, Daniel Teece, M. Sheelagh T. Carpendale, Mario Costa Sousa, David Ebert, Bruce Gooch, Victoria Interrante, Lisa M. Streit, Oleg Veryovka.
Siggraph 2003, ACM Press, 2003. [BibTeX]

Proceedings Volume Illustration: Non-Photorealistic Rendering of Volume Models
David Ebert, Penny Rheingans.
Proceedings of IEEE Visualization ’00, Salt Lake City, UT, October, 2000. [BibTeX]

Article Volume Illustration: Non-Photorealistic Rendering of Volume Models
Penny Rheingans, David Ebert.
IEEE Transactions on Visualization and Computer Graphics, Vol. 7, No. 3, pp. 253--264, July-Sept, 2001. [BibTeX]

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