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Parallel Medical Image Reconstruction: From Graphics Processors to Grids

  • Maraike Schellmann
  • Sergei Gorlatch
  • Dominik Meiländer
  • Thomas Kösters
  • Klaus Schäfers
  • Frank Wübbeling
  • Martin Burger
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5698)

Abstract

We present a variety of possible parallelization approaches for a real-world case study using several modern parallel and distributed computer architectures. Our case study is a production-quality, time-intensive algorithm for medical image reconstruction used in computer tomography. We describe how this algorithm can be parallelized for the main kinds of contemporary parallel architectures: shared-memory multiprocessors, distributed-memory clusters, graphics processors, the Cell processor and, finally, how various architectures can be accessed in a distributed Grid environment. The main contribution of the paper, besides the parallelization approaches, is their systematic comparison regarding four important criteria: performance, programming comfort, accessibility, and cost-effectiveness. We report results of experiments on particular parallel machines of different architectures that confirm the findings of our systematic comparison.

Keywords

Positron Emission Tomography Multicore Processor Graphic Processor Hybrid Cluster Cell Processor 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Maraike Schellmann
    • 1
  • Sergei Gorlatch
    • 1
  • Dominik Meiländer
    • 1
  • Thomas Kösters
    • 1
  • Klaus Schäfers
    • 1
  • Frank Wübbeling
    • 1
  • Martin Burger
    • 1
  1. 1.University of MünsterGermany

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