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Multiresolution MIP Rendering of Large Volumetric Data Accelerated on Graphics Hardware

Wladimir J. van der Laan, Andrei Jalba, Jos B. T. M. Roerdink
Institute for Mathematics and Computing Science, University of Groningen, P.O. Box 800, 9700 AV Groningen, The Netherlands
Eurographics / IEEE-VGTC Symposium on Visualization (2007)

@conference{van2007multiresolution,

   title={Multiresolution MIP rendering of large volumetric data accelerated on graphics hardware},

   author={van der Laan, W.J. and Jalba, A.C. and Roerdink, J.B.T.M.},

   booktitle={EuroVis07–Eurographics/IEEE VGTC Symposium on Visualization},

   pages={243–250},

   year={2007},

   organization={Citeseer}

}

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This paper is concerned with a multiresolution representation for maximum intensity projection (MIP) volume rendering based on morphological pyramids which allows progressive refinement. We consider two algorithms for progressive rendering from the morphological pyramid: one which projects detail coefficients level by level, and a second one, called streaming MIP, which resorts the detail coefficients of all levels simultaneously with respect to decreasing magnitude of a suitable error measure. The latter method outperforms the level-by-level method, both with respect to image quality with a fixed amount of detail data, and in terms of flexibility of controlling approximation error or computation time. We improve the streaming MIP algorithm, present a GPU implementation for both methods, and perform a comparison with existing CPU and GPU implementations.
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