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- W2016641965 abstract "Compressive sensing (CS) has been shown to enable dramatic acceleration of MRI acquisition in some applications. Being an iterative reconstruction technique, CS MRI reconstructions can be more time-consuming than traditional inverse Fourier reconstruction. We have accelerated our CS MRI reconstruction by factors of up to 27 by using a split Bregman solver combined with a graphics processing unit (GPU) computing platform. The increases in speed we find are similar to those we measure for matrix multiplication on this platform, suggesting that the split Bregman methods parallelize efficiently. We demonstrate that the combination of the rapid convergence of the split Bregman algorithm and the massively parallel strategy of GPU computing can enable real-time CS reconstruction of even acquisition data matrices of dimension 4096 2 or more, depending on available GPU VRAM. Reconstruction of two-dimensional data matrices of dimension 1024 2 and smaller took ~0.3 s or less, showing that this platform also provides very fast iterative reconstruction for small-to-moderate size images." @default.
- W2016641965 created "2016-06-24" @default.
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- W2016641965 date "2012-01-01" @default.
- W2016641965 modified "2023-10-15" @default.
- W2016641965 title "Real-Time Compressive Sensing MRI Reconstruction Using GPU Computing and Split Bregman Methods" @default.
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- W2016641965 doi "https://doi.org/10.1155/2012/864827" @default.
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