Non-Photorealistic Computer Graphics Library

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Found 37 item(s) authored in "1999".
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Proceedings Contact Determination for Real-time Haptic Interaction in 3D Modeling, Editing and Painting
Ming C. Lin, Arthur Gregory, Stephen Ehmann, Stephan Gottschalk, Russ Taylor.
Proceedings of 1999 Workshop for PhanTom User Group, 1999. [BibTeX]

Proceedings Digital Facial Engraving
Victor Ostromoukhov.
SIGGRAPH 99, 1999. [BibTeX]

Proceedings Halftoning with Image-Based Dither Screens
Oleg Veryovka, John W. Buchanan.
Graphics Interface (GI'99), 1999. [BibTeX]

Proceedings Image Moment-Based Stroke Placement
Michio Shiraishi, Yasushi Yamaguchi.
Sketches and Applications, SIGGRAPH 99, 1999. [BibTeX]

Proceedings Image Precision Silhouette Edges

Author(s): Ramesh Raskar, Michael F. Cohen.
Proceedings: Symposium on Interactive 3D Graphics (I3D'99), pp. 135--140, Atlanta, Georgia, United States, 1999.
[BibTeX] [DOI] Find this paper on Google

Abstract:
Finding and displaying silhouette edges is important in applications ranging from computer vision to nonphotorealistic rendering. To render visible silhouette edges of a polygonal object in a scene from a given viewpoint, we must first find all silhouette edges, i.e. boundaries between adjacent front facing and back-facing surfaces. This is followed by solving the partial visibility problem so that only those parts of silhouette edges, which are not occluded by interior of any front facing surface, are rendered. The scene may optionally be rendered with a lighting model. This paper describes a simple general-purpose method to combine all three operations for any scene composed of objects that can be scan-converted. Using a depth buffer, the rendering process computes the intersection of adjacent front facing and back-facing surfaces in image space at interactive rates. All operations are performed in image-precision and hence special care is taken for the limited numerical precision of the depth buffer. A solution is suggested using viewdependent modification of polygonal objects. The method does not require any preprocessing or adjacency information and hence is applicable for dynamic scenes.

Proceedings Interactive Technical Illustration
Bruce Gooch, Peter-Pike J. Sloan, Amy A. Gooch, Peter Shirley, Richard Riesenfeld.
1999 ACM Symposium on Interactive 3D Graphics, pp. 31--38, April, 1999. [BibTeX]

In Collection Introduction to 3D Non-Photorealistic Rendering: Silhouettes and Outlines
Aaron Hertzmann.
SIGGRAPH 99, ACM Press, Course Notes, 1999. [BibTeX]

Proceedings Manga and non-photorealistic rendering
Sugano Yoshinori.
ACM SIGGRAPH Computer Graphics, Vol. 33, No. 1, pp. 65--66, February, 1999. [BibTeX]

Proceedings Multi-Color and Artistic Dithering
Victor Ostromoukhov, Roger D. Hersch.
Computer Graphics Proceedings, Annual Conference Series, pp. 425--432, 1999. [BibTeX]

In Collection Non-Photorealistic Animation
Cassidy J. Curtis.
SIGGRAPH 1999 Course 17, ACM Press, 1999. [BibTeX]

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