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Article Line art rendering via a coverage of isoparametric curves

Author(s): Gershon Elber.
Article: IEEE Transactions on Visualization and Computer Graphics, Vol. 1, No. 3, pp. 231--239, September, 1995.
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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.

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