Enhanced compressed sensing recovery of multi-patch system matrices in MPI

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Enhanced compressed sensing recovery of multi-patch system matrices in MPI. / Grosser, M.; Boberg, M.; Bahe, M.; Knopp, T.

in: Int J Magn Part Imag, Jahrgang 6, Nr. 2, 2009035, 2020.

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@article{a1cb2e18989b4e4589481e26b8b9ac7f,
title = "Enhanced compressed sensing recovery of multi-patch system matrices in MPI",
abstract = "In magnetic particle imaging, many applications require the time consuming measurement of a system matrix before image reconstruction. Reduction of measurement time can be achieved with the help of compressed sensing, which is based on the sparsity of the system matrix in a suitable transform domain. In this work, we propose regularization functions to exploit the additional correlations in multi-patch system matrices. Experiments show that the resulting recovery method allows successful matrix recovery at higher undersampling factors than a standard compressed sensing recovery.",
author = "M. Grosser and M. Boberg and M. Bahe and T. Knopp",
note = "Publisher Copyright: {\textcopyright} 2020 Grosser et al.; licensee Infinite Science Publishing GmbH.",
year = "2020",
doi = "10.18416/IJMPI.2020.2009035",
language = "English",
volume = "6",
journal = "Int J Magn Part Imag",
issn = "2365-9033",
publisher = "Infinite Science Publishing",
number = "2",

}

RIS

TY - JOUR

T1 - Enhanced compressed sensing recovery of multi-patch system matrices in MPI

AU - Grosser, M.

AU - Boberg, M.

AU - Bahe, M.

AU - Knopp, T.

N1 - Publisher Copyright: © 2020 Grosser et al.; licensee Infinite Science Publishing GmbH.

PY - 2020

Y1 - 2020

N2 - In magnetic particle imaging, many applications require the time consuming measurement of a system matrix before image reconstruction. Reduction of measurement time can be achieved with the help of compressed sensing, which is based on the sparsity of the system matrix in a suitable transform domain. In this work, we propose regularization functions to exploit the additional correlations in multi-patch system matrices. Experiments show that the resulting recovery method allows successful matrix recovery at higher undersampling factors than a standard compressed sensing recovery.

AB - In magnetic particle imaging, many applications require the time consuming measurement of a system matrix before image reconstruction. Reduction of measurement time can be achieved with the help of compressed sensing, which is based on the sparsity of the system matrix in a suitable transform domain. In this work, we propose regularization functions to exploit the additional correlations in multi-patch system matrices. Experiments show that the resulting recovery method allows successful matrix recovery at higher undersampling factors than a standard compressed sensing recovery.

U2 - 10.18416/IJMPI.2020.2009035

DO - 10.18416/IJMPI.2020.2009035

M3 - Other (editorial matter etc.)

AN - SCOPUS:85090292748

VL - 6

JO - Int J Magn Part Imag

JF - Int J Magn Part Imag

SN - 2365-9033

IS - 2

M1 - 2009035

ER -