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Issue No.02 - March/April (2006 vol.12)
pp: 186-196
ABSTRACT
<p><b>Abstract</b>—In many applications, volumetric data sets are examined by displaying <it>isosurfaces</it>, surfaces where the data, or some function of the data, takes on a given value. Interactive applications typically use local lighting models to render such surfaces. This work introduces a method to precompute or lazily compute global illumination to improve interactive isosurface renderings. The precomputed illumination resides in a separate volume and includes direct light, shadows, and interreflections. Using this volume, interactive globally illuminated renderings of isosurfaces become feasible while still allowing dynamic manipulation of lighting, viewpoint and isovalue.</p>
INDEX TERMS
Path tracing, isosurface, visualization, rendering, global illumination, precomputed radiance transfer.
CITATION
Chris Wyman, Steven Parker, Peter Shirley, Charles Hansen, "Interactive Display of Isosurfaces with Global Illumination", IEEE Transactions on Visualization & Computer Graphics, vol.12, no. 2, pp. 186-196, March/April 2006, doi:10.1109/TVCG.2006.33
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