| M. Bertram, M. A. Duchaineau, B. Hamann, and K. I. Joy. Bicubic subdivision-surface wavelets for large-scale isosurface representa- tion and visualization. In T. Ertl, B. Hamann, and A. Varshney, editors, Proceedings of IEEE Conference on Visualization 2000. |
....an encoding step involves solving a sparse linear system. The system is well conditioned. In all our experiments it took less then one minute to solve. Finally, wavelet coefficients are encoded with a zero tree coder (similar to [21] As an alternative the wavelet construction of Bertram et al. [6] could also be used. The other necessary component of the hybrid compression algorithm is encoding of a transition N , that is, storing the repatching information. It involves encoding submesh connectivity and geometry in a way similar to compressing the coarsest level of a mesh hierarchy ....
M. Bertram, M. A. Duchaineau, B. Hamann, and K. I. Joy. Bicubic subdivision-surface wavelets for large-scale isosurface representation and visualization. In Proceedings of IEEE Visualization, pages 389--396, 2000.
....by exhausting the air between both surfaces the semi regular mesh is shrunk onto the surface. In addition, a relaxation force is used to distribute the vertices uniformly over the surface. The direct extraction of semi regular meshes from volume data is addressed by several papers. Bertram et al. [2] use MC to extract an initial iso surface which is coarsened by a mesh simplification algorithm based on [7] Then they use a modified shrinkwrapping approach to compute their final semi regular mesh based on a quadrilateral subdivision scheme. A method for directly extracting a coarse base mesh ....
M. Bertram, M. A. Duchaineau, B. Hamann, and K. I. Joy. Bicubic subdivision-surface wavelets for large-scale isosurface representation and visualization. In Visualization 2000.
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M. Bertram, M. A. Duchaineau, B. Hamann, and K. I. Joy. Bicubic subdivision-surface wavelets for large-scale isosurface representa- tion and visualization. In T. Ertl, B. Hamann, and A. Varshney, editors, Proceedings of IEEE Conference on Visualization 2000.
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M. Bertram, M.A. Duchaineau, B. Hamann, and K.I. Joy, Bicubic subdivision-surface wavelets for large-scale isosurface representation and visualization, IEEE Visualization, 2000, pp. 389--396 & 579.
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Martin Bertram, Mark A. Duchaineau, Bernd Hamann, and Kenneth I. Joy. Bicubic subdivisionsurface wavelets for large-scale isosurface representation and visualization. Proceedings of IEEE Visualization 2000.
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Martin Bertram, Mark A. Duchaineau, Bernd Hamann, and Kenneth I. Joy. Bicubic subdivision-surface wavelets for large-scale isosurface representation and visualization. In Thomas Ertl, Bernd Hamann, and Armitabh Varshney, editors, Proceedings IEEE Visualization 2000, pages 389--396, 2000.
....With the gigabyte per second read rates of current RAID storage, it would take 16 seconds to read a single surface. A factor of 100 compression with no perceptible loss would cleanly solve both the storage and load rate issues. This may be possible with new bicubic subdivision surface wavelets [1]. Another bottleneck occurs with high performance graphics hardware. The fastest commercial systems as of this writing can effectively draw around 20 million triangles per second, i.e. around 1 million triangles per frame at 20 frames per second. Thus almost a thousand fold reduction in triangle ....
....coding. In addition, we would like to allow the new mesh to optionally have simplified topology, akin to actual physical shrink wrapping of complex 3D objects with a few connected sheets of plastic. The algorithm we propose for this shrink wrapping is an elaboration of the method described in [1]. That method was used to demonstrate wavelet transforms of complex isosurfaces in a nonparallel, topology preserving setting. The algorithm takes as input a scalar field on a 3D mesh and an isolevel, and provides a surface mesh with subdivision surface connectivity as output, i.e. a collection of ....
Martin Bertram, Mark A. Duchaineau, Bernd Hamann, and Kenneth I. Joy. Bicubic subdivision-surface wavelets for largescale isosurface representation and visualization. Proceedings of IEEE Vis00, October 2000.
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BERTRAM M., DUCHAINEAU M., HAMANN B., JOY K. I.: Bicubic subdivision-surface wavelets for largescale isosurface representation and visualization. In IEEE Visualization 2000 (October 2000), pp. 389-- 396.
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BERTRAM, M., DUCHAINEAU, M. A., HAMANN, B., AND JOY, K. I. Bicubic subdivision-surface wavelets for large-scale isosurface representation and visualization. In Proceedings of IEEE Visualization
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M. Bertram, M.A. Duchaineau, B. Hamann, and K.I. Joy, "Bicubic subdivision-surface wavelets for large-scale isosurface representation and visualization," Proc. IEEE Visualization Conference, 2000, pp. 389-396 & 579.
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