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EWA Volume Splatting

By Jeroen van Baar, Markus Gross, Matthias Zwicker, Matthias Zwicker, Hanspeter Pfister, Hanspeter Pfister, Ý Jeroen Baar and Ý Markus Gross


this paper we present a novel framework for direct volume rendering using a splatting approach based on elliptical Gaussian kernels. To avoid aliasing artifacts, we introduce the concept of a resampling filter combining a reconstruction with a low-pass kernel. Because of the similarity to Heckbert's EWA (elliptical weighted average) filter for texture mapping we call our technique EWA volume splatting. It provides high image quality without aliasing artifacts or excessive blurring even with non-spherical kernels. Hence it is suitable for regular, rectilinear, and irregular volume data set

Publisher: e) (f
Year: 2001
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