Undersampling the system matrix of a single sided MPI-scanner

A. von Gladiß; K. Gräfe; M. Ahlborg; T.M. Buzug

doi:10.1109/IWMPI.2015.7107021

Undersampling the system matrix of a single sided MPI-scanner

A. von Gladiß, K. Gräfe, M. Ahlborg, T.M. Buzug

Institut für Medizintechnik

Abstract

Compressed sensing has been shown to be a useful method for reducing the acquisition time of a system matrix in Magnetic Particle Imaging (MPI). The system matrix is acquired by discretising the field of view (FOV) and performing a measurement on each of the resulting spatial points. The combination of the spectra of those measurements is the system matrix. Using methods of compressed sensing, the FOV can be undersampled by acquiring a subset of the spatial points and reconstructing the system matrix in a sparse domain. In the last years, the system matrix of a 2D MPI scanning device by Philips research has been exploited. In this work, proven methods have been applied on a new dataset that has been acquired using a 2D single sided MPI scanning device.

Originalsprache	Englisch
Titel	2015 5th International Workshop on Magnetic Particle Imaging (IWMPI)
Seitenumfang	1
Herausgeber (Verlag)	IEEE
Erscheinungsdatum	01.03.2015
ISBN (Print)	978-1-4799-7269-2
ISBN (elektronisch)	978-1-4799-7271-5
DOIs	https://doi.org/10.1109/IWMPI.2015.7107021
Publikationsstatus	Veröffentlicht - 01.03.2015
Veranstaltung	5th International Workshop on Magnetic Particle Imaging (IWMPI) - Istanbul, Türkei Dauer: 26.03.2015 → 28.03.2015

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10.1109/IWMPI.2015.7107021

https://ieeexplore.ieee.org/document/7107021/

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title = "Undersampling the system matrix of a single sided MPI-scanner",

abstract = "Compressed sensing has been shown to be a useful method for reducing the acquisition time of a system matrix in Magnetic Particle Imaging (MPI). The system matrix is acquired by discretising the field of view (FOV) and performing a measurement on each of the resulting spatial points. The combination of the spectra of those measurements is the system matrix. Using methods of compressed sensing, the FOV can be undersampled by acquiring a subset of the spatial points and reconstructing the system matrix in a sparse domain. In the last years, the system matrix of a 2D MPI scanning device by Philips research has been exploited. In this work, proven methods have been applied on a new dataset that has been acquired using a 2D single sided MPI scanning device.",

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T1 - Undersampling the system matrix of a single sided MPI-scanner

AU - von Gladiß, A.

AU - Gräfe, K.

AU - Ahlborg, M.

AU - Buzug, T.M.

PY - 2015/3/1

Y1 - 2015/3/1

N2 - Compressed sensing has been shown to be a useful method for reducing the acquisition time of a system matrix in Magnetic Particle Imaging (MPI). The system matrix is acquired by discretising the field of view (FOV) and performing a measurement on each of the resulting spatial points. The combination of the spectra of those measurements is the system matrix. Using methods of compressed sensing, the FOV can be undersampled by acquiring a subset of the spatial points and reconstructing the system matrix in a sparse domain. In the last years, the system matrix of a 2D MPI scanning device by Philips research has been exploited. In this work, proven methods have been applied on a new dataset that has been acquired using a 2D single sided MPI scanning device.

AB - Compressed sensing has been shown to be a useful method for reducing the acquisition time of a system matrix in Magnetic Particle Imaging (MPI). The system matrix is acquired by discretising the field of view (FOV) and performing a measurement on each of the resulting spatial points. The combination of the spectra of those measurements is the system matrix. Using methods of compressed sensing, the FOV can be undersampled by acquiring a subset of the spatial points and reconstructing the system matrix in a sparse domain. In the last years, the system matrix of a 2D MPI scanning device by Philips research has been exploited. In this work, proven methods have been applied on a new dataset that has been acquired using a 2D single sided MPI scanning device.

U2 - 10.1109/IWMPI.2015.7107021

DO - 10.1109/IWMPI.2015.7107021

M3 - Conference contribution

SN - 978-1-4799-7269-2

T3 - IEEE Proceedings

BT - 2015 5th International Workshop on Magnetic Particle Imaging (IWMPI)

PB - IEEE

T2 - 5th International Workshop on Magnetic Particle Imaging (IWMPI)

Y2 - 26 March 2015 through 28 March 2015

ER -

Undersampling the system matrix of a single sided MPI-scanner

Abstract

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