Teitzel, C. AND Hopf, M. AND Grosso, R. AND Ertl, T.: Volume Visualization on Sparse Grids
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Sparse Grid, 3D, Level 8.		sgrid volume visualization tool main window.		Cavity pressure, XRay, combination technique.		Cavity pressure, XRay, OpenGL accelerated method.		Hydrogen orbital, iso surface.

Hopf, M. AND Ertl, T.: Hardware-Based Wavelet Transformations
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Image, completely decomposed using haar wavelets		Single bit differences in the completely haar decomposed and reconstructed image		Lena 4 times decomposed using Daubechies wavelets and reconstructed again. The border pixels are destroyed, as no mirroring of wavelet coefficients was implemented

Teitzel, C. AND Ertl, T.: New Approaches for Particle Tracing on Sparse Grids
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Stream balls in the blunt fin data set.		IRIS Explorer map.

Hopf, M. AND Ertl, T.: Accelerating 3D Convolution using Graphics Hardware
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Iso value rendering of an unfiltered tomography data set		Iso value rendering of a low pass filtered tomography data set		Extracting the high frequencies of the engine data set using a second derivative gauss filter