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Data-parallel tomographic reconstruction: A comparison of filtered backprojection and direct Fourier reconstruction |
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| Authors: | Jos BTM Roerdink Michel A Westenberg |
| Affiliation: | Institute for Mathematics and Computing Science, University of Groningen, P.O. Box 800, 9700 AV Groningen, The Netherlands |
| Abstract: | We consider the parallelization of two standard 2D reconstruction algorithms, filtered backprojection and direct Fourier reconstruction, using the data-parallel programming style. The algorithms are implemented on a Connection Machine CM-5 with 16 processors and a peak performance of 2 Gflop/s. |
| Keywords: | Computerized tomography Filtered backprojection Direct Fourier reconstruction Data-parallel implementation Connection Machine CM-5 |
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