Výsledky vyhledávání - "Arjun Arunachalam"

Enhancing the performance of accelerated MRI through preservation of acquisition SNR: An 'aliased' k-space approach

Autor: Arjun Arunachalam

Publikováno v: Magnetic Resonance in Medicine. 74:150-161

Purpose A method for preserving acquisition SNR through simultaneous acquisitions of distinct k-space phase encodes to enhance the performance of accelerated MRI is presented. Theory and Methods An excitation module comprising RF pulses and gradients

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4b575702ad81a0a7dca3cedecc20e0ab
https://doi.org/10.1002/mrm.25392

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Accelerated spectroscopic imaging of hyperpolarized C-13 pyruvate using SENSE parallel imaging

Autor: Ileana Hancu, David Brandon Whitt, Joseph Edward Piel, Ronald Dean Watkins, Kenneth Fish, Randy Otto John Giaquinto, Arjun Arunachalam

Publikováno v: NMR in Biomedicine. 22:867-873

The ability to accelerate the spatial encoding process during a chemical shift imaging (CSI) scan of hyperpolarized compounds is demonstrated through parallel imaging. A hardware setup designed to simultaneously acquire 13C data from multiple receive

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5bd8d8cf1b3c3a4d897827fe98ffa750
https://doi.org/10.1002/nbm.1401

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Self-calibrated GRAPPA method for 2D and 3D radial data

Autor: Alexey Samsonov, Arjun Arunachalam, Walter F. Block

Publikováno v: Magnetic Resonance in Medicine. 57:931-938

A fast parallel MRI (pMRI) reconstruction method is presented for 2D and 3D radial trajectories. A limitation of the radial generalized autocalibrating partially parallel acquisitions (GRAPPA) method is the need to acquire training data prior to the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5679c78ae6a72ad4a7a7650f54c53fc8
https://doi.org/10.1002/mrm.21223

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Noiselet Encoded Compressive Sensing Parallel MRI

Autor: Kamlesh Pawar, Gary F. Egan, Jingxin Zhang, Arjun Arunachalam

Publikováno v: Biomedical Engineering.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3e256d1c146001f8396d340fd6c91df9
https://doi.org/10.2316/p.2013.791-030

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Background suppression in time-resolved MR angiography without mask acquisition or operator intervention

Autor: Walter F. Block, Frank J. Thornton, Arjun Arunachalam

Publikováno v: Journal of magnetic resonance imaging : JMRI. 24(1)

Purpose To suppress static and background tissue in time-resolved MRA studies of the full thorax or abdomen without the need of a mask image or operator intervention. Materials and Methods The time course of each voxel is projected onto the orthogona

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d6b1db10ee83e6d9c153845cbf44525
https://pubmed.ncbi.nlm.nih.gov/16767700

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Advances in locally constrained k-space-based parallel MRI

Autor: Aaron S. Field, Alexey Samsonov, Arjun Arunachalam, Walter F. Block

Publikováno v: Magnetic resonance in medicine. 55(2)

In this article, several theoretical and methodological developments regarding k-space-based, locally constrained parallel MRI (pMRI) reconstruction are presented. A connection between Parallel MRI with Adaptive Radius in k-Space (PARS) and GRAPPA me

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d25d89ec0e8179be1a0fb5200e14d136
https://pubmed.ncbi.nlm.nih.gov/16369917

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