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Proceedings Non-photorealistic Rendering Using an Adaptive Halftoning Technique

Author(s): Lisa M. Streit, Oleg Veryovka, John W. Buchanan.
Proceedings: Skiggraph '99, 1999.
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One of the common goals of Non-Photorealistic Rendering is to emphasize or highlight particular image attributes by using different rendering styles. In order to do this often other information such as depth, surface or lighting information is incorporated into the rendering process. Most halftoning techniques try to preserve particular image attributes such as grey-scale intensities or edges, while avoiding the introduction of artifacts into the resulting image. In Importance Driven Halftoning Streit and Buchanan [1] introduced a technique that allows the preservation of other attributes by controlling rendering through the specification of the importance function and the chosen type of drawing primitive. This paper illustrates how importance driven halftoning can be extended for the creation of non-photorealistic images with information outside the 2D grey-scale image such as a 3D scene or model. Our extensions to Importance Driven Halftoning will provide the user with control over drawing primitives for the creation of tone and texture which is needed to create non-photorealistic images.

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