COVRA: A compression-domain output-sensitive volume rendering architecture based on a sparse representation of voxel blocks

@article{Gobbetti2012COVRAAC,
  title={COVRA: A compression-domain output-sensitive volume rendering architecture based on a sparse representation of voxel blocks},
  author={Enrico Gobbetti and Jos{\'e} Antonio Iglesias Guiti{\'a}n and Fabio Marton},
  journal={Comput. Graph. Forum},
  year={2012},
  volume={31},
  pages={1315-1324}
}
We present a novel multiresolution compression-domain GPU volume rendering architecture designed for interactive local and networked exploration of rectilinear scalar volumes on commodity platforms. In our approach, the volume is decomposed into a multiresolution hierarchy of bricks. Each brick is further subdivided into smaller blocks, which are compactly described by sparse linear combinations of prototype blocks stored in an overcomplete dictionary. The dictionary is learned, using limited… CONTINUE READING
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