Non-Photorealistic Computer Graphics Library

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Found 31 item(s) authored in "2007".
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Proceedings Engaging viewers through nonphotorealistic visualizations
Laura Tateosian, Christopher G. Healey, James T. Enns.
NPAR '07: Proceedings of the 5th international symposium on Non-photorealistic animation and rendering, pp. 93--102, New York, NY, USA, ACM, 2007. [BibTeX]

Article Evaluation of Real-World and Computer-Generated Stylized Facial Expressions

Author(s): Christian Wallraven, Heinrich H. B├╝lthoff, Douglas W. Cunningham, Jan Fischer, Dirk Bartz.
Article: ACM Transactions on Applied Perception (TAP), Vol. 4, No. 3, pp. 1544--3558, November, 2007.
[BibTeX] [DOI] Find this paper on Google

Abstract:
The goal of stylization is to provide an abstracted representation of an image that highlights specific types of visual information. Recent advances in computer graphics techniques have made it possible to render many varieties of stylized imagery efficiently making stylization into a useful technique, not only for artistic, but also for visualization applications. In this paper, we report results from two sets of experiments that aim at characterizing the perceptual impact and effectiveness of three different stylization techniques in the context of dynamic facial expressions. In the first set of experiments, animated facial expressions are stylized using three common techniques (brush, cartoon, and illustrative stylization) and investigated using different experimental measures. Going beyond the usual questionnaire approach, these experiments compare the techniques according to several criteria ranging from subjective preference to task-dependent measures (such as recognizability, intensity) allowing us to compare behavioral and introspective approaches. The second set of experiments use the same stylization techniques on real-world video sequences in order to compare the effect of stylization on natural and artificial stimuli. Our results shed light on how stylization of image contents affects the perception and subjective evaluation of both real and computer-generated facial expressions.

Proceedings Hardware-accelerated Stippling of Surfaces derived from Medical Volume Data
Alexandra Baer, Christian Tietjen, Ragnar Bade, Bernhard Preim.
Eurographics/IEEE-VGTC Symposium on Visualization, pp. 235--242, 2007. [BibTeX]

Proceedings Highlight lines for conveying shape
Doug DeCarlo, Szymon Rusinkiewicz.
NPAR '07: Proceedings of the 5th international symposium on Non-photorealistic animation and rendering, pp. 63--70, New York, NY, USA, ACM, 2007. [BibTeX]

Article Highly stylised animation
Fabian Di Fiore, Frank Van Reeth, John Patterson, Philip Willis.
The Visual Computer, Vol. 24, No. 2, pp. 105--123, 2007. [BibTeX]

Article Humanistic Oriental art created using automated computer processing and non-photorealistic rendering
Adrian David Cheok, Zheng Shawn Lim, Roger Thomas KC Tan.
Computers & Graphics, Vol. 31, No. 2, pp. 280--291, April, 2007. [BibTeX]

Article Image-based Painterly Rendering by Evolutionary Algorithm
Uday K. Chakraborty, Hyung Woo Kang, Paul P. Wang.
New Mathematics and Natural Computation, Vol. 3, No. 2, pp. 239--257, 2007. [BibTeX]

Article Improving the Sketch-Based Interface
Richard Pusch, Faramarz Samavati, Ahmad Nasri, Brian Wyvill.
The Visual Computer, Vol. 23, No. 9--11, pp. 955--962, September, 2007. [BibTeX]

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]

Article Interactive Tensor Field Design and Visualization on Surfaces
Eugene Zhang, James Hays, Greg Turk.
IEEE Transactions on Visualization and Computer Graphics, Vol. 13, No. 1, pp. 94--107, 2007. [BibTeX]

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