Non-Photorealistic Computer Graphics Library

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Found 16 item(s) authored in "1996".
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Technical Report A Resolution-Independent Representation for Pen-and-Ink Illustrations
Michael P. Salisbury, Corin Anderson, Dani Lischinski, David H. Salesin.
Department of Computer Science and Engineering, University of Washington, No. UW-CSE-96-01-02, 1996. [BibTeX]

Proceedings Assessing the Effect of Non-Photorealistic Rendered Images in CAD
Jutta Schumann, Thomas Strothotte, Andreas Raab, Stefan Laser.
Proceedings of the SIGCHI conference on Human factors in computing systems: common ground, pp. 35--41, 1996. [BibTeX]

Technical Report Cartoon-Looking Rendering of 3D-Scenes
Philippe Decaudin.
INRIA, Universite de Technologie de Compiegne, No. 2919, France, June, 1996. [BibTeX]

Proceedings Comic Chat
David Kurlander, Tim Skelly, David H. Salesin.
SIGGRAPH 96, 1996. [BibTeX]

PhD Thesis Computer-Generated Pen-and-Ink Illustration
George Winkenbach.
University of Washington, 1996. [BibTeX]

PhD Thesis Illustrating Transparency: communicating the 3D shape of layered transparent surfaces via texture

Author(s): Victoria Interrante.
PhD Thesis: University of North Carolina, Chapel Hill, 1996.
[BibTeX] Find this paper on Google

There are many applications in which transparency can be a useful tool for displaying the outer surface of an object together with underlying structures. The driving application for this research is radiation therapy treatment planning, in which physicians need to understand the volume distribution of radiation dose in the context of patient anatomy. To effectively display data containing multiple overlapping surfaces, the surfaces must be rendered in such a way that they can simultaneously be seen and also seen through. In computer-generated images, as in real life, however, it is often difficult to adequately perceive the three-dimensional shape of a plain transparent surface and to judge its relative depth distance from underlying opaque objects. Inspired by the ability of gifted artists to define a figure with just a few strokes, I have explored methods for automatically generating a small, stable set of intuitively meaningful lines that intend to capture the essence of a surface’s shape. This dissertation describes my investigations into the use of opaque texture lines as an artistic device for enhancing the communication of the shape and depth of an external transparent surface while only minimally occluding underlying structure. I provide an overview of the role of 3D visualization in radiation treatment planning and a survey of shape and depth perception, focusing on aspects that may be most crucial for conveying shape and depth information in computer-generated images, and then motivate the use of two specific types of shape-conveying surface markings: valley/ridge lines, which may be useful for sketching the essential form of certain surfaces, and distributed short strokes, oriented in the direction of greatest normal curvature, which may meaningfully convey the local shape of general surface patches. An experimental paradigm is proposed for objectively measuring observers’ ability to simultaneously see and see through a transparent surface, and is used to demonstrate, in an experiment with five subjects, that consistent performance improvements can be achieved, on a task relevant to the needs of radiotherapy treatment planning and based on images generated from actual clinical data, when opaque texture lines are added to an otherwise plain transparent surface.

Proceedings On the Silhouette Cartoon Animation
Tosiyasu L. Kunii, Takao Maeda.
Computer Animation, pp. 110--117, June, 1996. [BibTeX]

Proceedings Painterly Rendering for Animation
Barbara J. Meier.
Proceedings of SIGGRAPH '96, 1996. [BibTeX]

Article Pertinent Data for Modelling Pigmented Materials in Realistic Rendering
Patrick Le Callet.
Computer Graphics Forum, Vol. 15, No. 2, pp. 119--127, 1996. [BibTeX]

Proceedings Rendering Line Drawings with Limited Resources
Stefan Schlechtweg, Thomas Strothotte.
Proceedings of GraphiCon'96, Vol. 2, pp. 131--137, St. Petersburg, Russia, July, 1996. [BibTeX]

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