Non-Photorealistic Computer Graphics Library

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Found 24 item(s) authored in "1998".
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Proceedings Surfaces To Lines: Rendering Rich Line Drawings
Stefan Schlechtweg, Bert Schönwälder, Lars Schumann, Thomas Strothotte.
The Sixth International Conference in Central Europe on Computer Graphics and Visualization'98 (WSCG'98), University of West Bohemia, Campus Bory, Plzen - Bory, Czech Republic, February 9-13, 1998. [BibTeX]

Proceedings Texture Mapping for Cel Animation

Author(s): Wagner T. Correa, Robert J. Jensen, Craig E. Thayer, Adam Finkelstein.
Proceedings: Proceedings of SIGGRAPH 98, pp. 435--446, July, 1998.
[BibTeX] Find this paper on Google

Abstract:
We present a method for applying complex textures to hand-drawn characters in cel animation. The method correlates features in a simple, textured, 3-D model with features on a hand-drawn figure, and then distorts the model to conform to the hand-drawn artwork. The process uses two new algorithms: a silhouette detection scheme and a depth-preserving warp. The silhouette detection algorithm is simple and efficient, and it produces continuous, smooth, visible contours on a 3-D model. The warp distorts the model in only two dimensions to match the artwork from a given camera perspective, yet preserves 3-D effects such as self-occlusion and foreshortening. The entire process allows animators to combine complex textures with hand-drawn artwork, leveraging the strengths of 3-D computer graphics while retaining the expressiveness of traditional handdrawn cel animation.

PhD Thesis Three Dimensional Interactive Non-Photorealistic Rendering
Daniel Teece.
University of Sheffield, England, 1998. [BibTeX]

Proceedings Visualising Ancient Architecture using Animated Line Drawings
Maic Masuch, Thomas Strothotte.
Proceedings of the International Conference on Information Visualisation '98, IEEE Computer Society Press, 1998. [BibTeX]

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