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Green Image
Issue No. 03 - September (1995 vol. 1)
ISSN: 1077-2626
pp: 231-239
<p><it>Abstract</it>—A line-art nonphotorealistic rendering scheme of scenes composed of freeform surfaces is presented. A freeform surface coverage is constructed using a set of isoparametric curves. The density of the isoparametric curves is set to be a function of the illumination of the surface determined using a simple shading model, or of regions of special importance such as silhouettes. The outcome is one way of achieving an aesthetic and attractive line-art rendering that employs isoparametric curve based drawings that is suitable for printing publication.</p>
Sketches, illustrations, line drawings, freeform surfaces, NURBs, gridless halftoning, printing.

G. Elber, "Line Art Rendering via a Coverage of Isoparametric Curves," in IEEE Transactions on Visualization & Computer Graphics, vol. 1, no. , pp. 231-239, 1995.
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