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Accelerating Advanced MRI Reconstructions on GPUs.


ABSTRACT: Computational acceleration on graphics processing units (GPUs) can make advanced magnetic resonance imaging (MRI) reconstruction algorithms attractive in clinical settings, thereby improving the quality of MR images across a broad spectrum of applications. This paper describes the acceleration of such an algorithm on NVIDIA's Quadro FX 5600. The reconstruction of a 3D image with 128(3) voxels achieves up to 180 GFLOPS and requires just over one minute on the Quadro, while reconstruction on a quad-core CPU is twenty-one times slower. Furthermore, relative to the true image, the error exhibited by the advanced reconstruction is only 12%, while conventional reconstruction techniques incur error of 42%.

SUBMITTER: Stone SS 

PROVIDER: S-EPMC3142623 | biostudies-literature | 2008 Oct

REPOSITORIES: biostudies-literature

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Accelerating Advanced MRI Reconstructions on GPUs.

Stone S S SS   Haldar J P JP   Tsao S C SC   Hwu W-M W WM   Sutton B P BP   Liang Z-P ZP  

Journal of parallel and distributed computing 20081001 10


Computational acceleration on graphics processing units (GPUs) can make advanced magnetic resonance imaging (MRI) reconstruction algorithms attractive in clinical settings, thereby improving the quality of MR images across a broad spectrum of applications. This paper describes the acceleration of such an algorithm on NVIDIA's Quadro FX 5600. The reconstruction of a 3D image with 128(3) voxels achieves up to 180 GFLOPS and requires just over one minute on the Quadro, while reconstruction on a qua  ...[more]

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