Non-Photorealistic Computer Graphics Library

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Article Walk-Through Illustrations: Frame-Coherent Pen-and-Ink Style in a Game Engine

Author(s): Bert Freudenberg, Maic Masuch, Thomas Strothotte.
Article: Computer Graphics Forum (EG'01), Vol. 20, No. 3, pp. 184--191, 2001.
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Abstract:
In this paper we show how a game engine designed to generate photorealistic images can be extended to produce non-photorealistic and hybrid renditions. We introduce new hardware-based methods to accomplish pen-and-ink illustrations. The combination of the highly optimized processing of a game engine and the use of hardware for NPR algorithms yields real-time animation of pen-and-ink illustrations. The particular advance of this method is that it yields the first real-time, frame-coherent pen-and-ink animations which maintain both tone and texture.


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