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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
Steven Parker, Peter Shirley, Chris Wyman, "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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