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Real-Time Rendering of Temporal Volumetric Data on a GPU

Biao She, Pierre Boulanger, Michelle Noga
Department of Computing Science, University of Alberta
15th International Conference on Information Visualisation (IV), 2011

@inproceedings{she2011real,

   title={Real-Time Rendering of Temporal Volumetric Data on a GPU},

   author={She, B. and Boulanger, P. and Noga, M.},

   booktitle={Information Visualisation (IV), 2011 15th International Conference on},

   pages={622–631},

   year={2011},

   organization={IEEE}

}

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Real-time rendering of static volumetric data is generally known to be a memory and computationally intensive process. With the advance of graphic hardware, especially GPU, it is now possible to do this using desktop computers. However, with the evolution of real-time CT and MRI technologies, volumetric rendering is an even bigger challenge. The first one is how to reduce the data transmission between the main memory and the graphic memory. The second one is how to efficiently take advantage of the time redundancy which exists in time-varying volumetric data. We proposed an optimized compression scheme that explores the time redundancy as well as space redundancy of time-varying volumetric data. The compressed data is then transmitted to graphic memory and directly rendered by the GPU, reducing significantly the data transfer between main memory and graphic memory.
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