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Using data redundancy gained by patch overlaps to reduce truncation artifacts in magnetic particle imaging

Standard

Using data redundancy gained by patch overlaps to reduce truncation artifacts in magnetic particle imaging. / Ahlborg, M; Kaethner, C; Knopp, T; Szwargulski, P; Buzug, T M.

In: PHYS MED BIOL, Vol. 61, No. 12, 07.06.2016, p. 4583-4598.

Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review

Harvard

Ahlborg, M, Kaethner, C, Knopp, T, Szwargulski, P & Buzug, TM 2016, 'Using data redundancy gained by patch overlaps to reduce truncation artifacts in magnetic particle imaging', PHYS MED BIOL, vol. 61, no. 12, pp. 4583-4598. https://doi.org/10.1088/0031-9155/61/12/4583

APA

Ahlborg, M., Kaethner, C., Knopp, T., Szwargulski, P., & Buzug, T. M. (2016). Using data redundancy gained by patch overlaps to reduce truncation artifacts in magnetic particle imaging. PHYS MED BIOL, 61(12), 4583-4598. https://doi.org/10.1088/0031-9155/61/12/4583

Vancouver

Ahlborg M, Kaethner C, Knopp T, Szwargulski P, Buzug TM. Using data redundancy gained by patch overlaps to reduce truncation artifacts in magnetic particle imaging. PHYS MED BIOL. 2016 Jun 7;61(12):4583-4598. https://doi.org/10.1088/0031-9155/61/12/4583

Bibtex

@article{d66086a34155426494337050dc938fe6,
title = "Using data redundancy gained by patch overlaps to reduce truncation artifacts in magnetic particle imaging",
abstract = "The imaging technology magnetic particle imaging allows the detection of magnetic material, in particular superparamagnetic nanoparticles, by remagnetization of the material via magnetic fields. The application is aimed at medical imaging where the particles are applied as tracer directly into the blood stream. Medical safety considerations such as peripheral nerve stimulation limit the maximal amplitude of the magnetic fields and in turn the field of view size. To handle this constraint the concept of patches was introduced, which allows a shift of a field of view to different positions in order to enlarge the imaging area. If this is done statically an overlap of patches can be used to reduce truncation artifacts occurring at the adjacent edges. In this contribution, a differentiation of two different kinds of patch overlaps, i.e. a trajectory and a system matrix overlap, is made. Further, different concepts to combine the resulting redundant information are investigated with respect to the reduction of truncation artifacts. The methods are analyzed in detail in a simulation study and validated on experimental data.",
author = "M Ahlborg and C Kaethner and T Knopp and P Szwargulski and Buzug, {T M}",
year = "2016",
month = jun,
day = "7",
doi = "10.1088/0031-9155/61/12/4583",
language = "English",
volume = "61",
pages = "4583--4598",
journal = "PHYS MED BIOL",
issn = "0031-9155",
publisher = "IOP Publishing Ltd.",
number = "12",

}

RIS

TY - JOUR

T1 - Using data redundancy gained by patch overlaps to reduce truncation artifacts in magnetic particle imaging

AU - Ahlborg, M

AU - Kaethner, C

AU - Knopp, T

AU - Szwargulski, P

AU - Buzug, T M

PY - 2016/6/7

Y1 - 2016/6/7

N2 - The imaging technology magnetic particle imaging allows the detection of magnetic material, in particular superparamagnetic nanoparticles, by remagnetization of the material via magnetic fields. The application is aimed at medical imaging where the particles are applied as tracer directly into the blood stream. Medical safety considerations such as peripheral nerve stimulation limit the maximal amplitude of the magnetic fields and in turn the field of view size. To handle this constraint the concept of patches was introduced, which allows a shift of a field of view to different positions in order to enlarge the imaging area. If this is done statically an overlap of patches can be used to reduce truncation artifacts occurring at the adjacent edges. In this contribution, a differentiation of two different kinds of patch overlaps, i.e. a trajectory and a system matrix overlap, is made. Further, different concepts to combine the resulting redundant information are investigated with respect to the reduction of truncation artifacts. The methods are analyzed in detail in a simulation study and validated on experimental data.

AB - The imaging technology magnetic particle imaging allows the detection of magnetic material, in particular superparamagnetic nanoparticles, by remagnetization of the material via magnetic fields. The application is aimed at medical imaging where the particles are applied as tracer directly into the blood stream. Medical safety considerations such as peripheral nerve stimulation limit the maximal amplitude of the magnetic fields and in turn the field of view size. To handle this constraint the concept of patches was introduced, which allows a shift of a field of view to different positions in order to enlarge the imaging area. If this is done statically an overlap of patches can be used to reduce truncation artifacts occurring at the adjacent edges. In this contribution, a differentiation of two different kinds of patch overlaps, i.e. a trajectory and a system matrix overlap, is made. Further, different concepts to combine the resulting redundant information are investigated with respect to the reduction of truncation artifacts. The methods are analyzed in detail in a simulation study and validated on experimental data.

U2 - 10.1088/0031-9155/61/12/4583

DO - 10.1088/0031-9155/61/12/4583

M3 - SCORING: Journal article

C2 - 27271804

VL - 61

SP - 4583

EP - 4598

JO - PHYS MED BIOL

JF - PHYS MED BIOL

SN - 0031-9155

IS - 12

ER -