Feed-Forward Volume Rendering Algorithm for Moderately Parallel MIMD Machines

Released on by National Aeronautics and Space Adm Nasa
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  • Feed-Forward Volume Rendering Algorithm for Moderately Parallel MIMD Machines Book Detail

  • Author : National Aeronautics and Space Adm Nasa
  • Release Date : 2018-12-31
  • Publisher : Independently Published
  • Genre :
  • Pages : 32
  • ISBN 13 : 9781792718267
  • File Size : 63,63 MB
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Feed-Forward Volume Rendering Algorithm for Moderately Parallel MIMD Machines by National Aeronautics and Space Adm Nasa PDF Summary

Book Description: Algorithms for direct volume rendering on parallel and vector processors are investigated. Volumes are transformed efficiently on parallel processors by dividing the data into slices and beams of voxels. Equal sized sets of slices along one axis are distributed to processors. Parallelism is achieved at two levels. Because each slice can be transformed independently of others, processors transform their assigned slices with no communication, thus providing maximum possible parallelism at the first level. Within each slice, consecutive beams are incrementally transformed using coherency in the transformation computation. Also, coherency across slices can be exploited to further enhance performance. This coherency yields the second level of parallelism through the use of the vector processing or pipelining. Other ongoing efforts include investigations into image reconstruction techniques, load balancing strategies, and improving performance. Yagel, Roni NASA-CR-191158, E-7907, NAS 1.26:191158 NGT-26-027-011...

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