Measure of trajectory quality in Magnetic Particle Imaging

H. Wojtczyk; A. Timmermeyer; W. Tenner; T.F. Sattel; G. Bringout; M. Grüttner; M. Graeser; T.M. Buzug

doi:10.1109/IWMPI.2013.6528351

Measure of trajectory quality in Magnetic Particle Imaging

H. Wojtczyk, A. Timmermeyer, W. Tenner, T.F. Sattel, G. Bringout, M. Grüttner, M. Graeser, T.M. Buzug

Institute of Medical Engineering

Abstract

For all trajectories, the energies computed in time and frequency domain agree well. The maximum local magnetization change dM/dt is largest for the spiral and Lissajous trajectories while it is smallest for the Cartesian trajectory. For the Lissajous and Cartesian trajectories, the total magnetization change appears more homogeneous over the field of view (FOV) than for the radial and spiral trajectories, where it is stronger in the center compared to the borders. In general, areas of homogeneous high total magnetization change seem to correspond to areas of high spatial resolution in reconstructed images.

Original language	English
Title of host publication	2013 International Workshop on Magnetic Particle Imaging (IWMPI)
Number of pages	1
Publisher	IEEE
Publication date	01.03.2013
Pages	1-1
ISBN (Print)	978-1-4673-5520-9
ISBN (Electronic)	978-1-4673-5522-3
DOIs	https://doi.org/10.1109/IWMPI.2013.6528351
Publication status	Published - 01.03.2013
Event	3th International Workshop on Magnetic Particle Imaging (IWMPI 2013) - Berkeley, United States Duration: 23.03.2013 → 24.03.2013

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title = "Measure of trajectory quality in Magnetic Particle Imaging",

abstract = "For all trajectories, the energies computed in time and frequency domain agree well. The maximum local magnetization change dM/dt is largest for the spiral and Lissajous trajectories while it is smallest for the Cartesian trajectory. For the Lissajous and Cartesian trajectories, the total magnetization change appears more homogeneous over the field of view (FOV) than for the radial and spiral trajectories, where it is stronger in the center compared to the borders. In general, areas of homogeneous high total magnetization change seem to correspond to areas of high spatial resolution in reconstructed images.",

author = "H. Wojtczyk and A. Timmermeyer and W. Tenner and T.F. Sattel and G. Bringout and M. Gr{\"u}ttner and M. Graeser and T.M. Buzug",

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Wojtczyk, H, Timmermeyer, A, Tenner, W, Sattel, TF, Bringout, G, Grüttner, M , Graeser, M & Buzug, TM 2013, Measure of trajectory quality in Magnetic Particle Imaging. in 2013 International Workshop on Magnetic Particle Imaging (IWMPI). Magnetic Particle Imaging, IEEE, pp. 1-1, 3th International Workshop on Magnetic Particle Imaging (IWMPI 2013), Berkeley, California, United States, 23.03.13. https://doi.org/10.1109/IWMPI.2013.6528351

TY - GEN

T1 - Measure of trajectory quality in Magnetic Particle Imaging

AU - Wojtczyk, H.

AU - Timmermeyer, A.

AU - Tenner, W.

AU - Sattel, T.F.

AU - Bringout, G.

AU - Grüttner, M.

AU - Graeser, M.

AU - Buzug, T.M.

PY - 2013/3/1

Y1 - 2013/3/1

N2 - For all trajectories, the energies computed in time and frequency domain agree well. The maximum local magnetization change dM/dt is largest for the spiral and Lissajous trajectories while it is smallest for the Cartesian trajectory. For the Lissajous and Cartesian trajectories, the total magnetization change appears more homogeneous over the field of view (FOV) than for the radial and spiral trajectories, where it is stronger in the center compared to the borders. In general, areas of homogeneous high total magnetization change seem to correspond to areas of high spatial resolution in reconstructed images.

AB - For all trajectories, the energies computed in time and frequency domain agree well. The maximum local magnetization change dM/dt is largest for the spiral and Lissajous trajectories while it is smallest for the Cartesian trajectory. For the Lissajous and Cartesian trajectories, the total magnetization change appears more homogeneous over the field of view (FOV) than for the radial and spiral trajectories, where it is stronger in the center compared to the borders. In general, areas of homogeneous high total magnetization change seem to correspond to areas of high spatial resolution in reconstructed images.

UR - https://www.researchgate.net/publication/261340803_Measure_of_trajectory_quality_in_Magnetic_Particle_Imaging

U2 - 10.1109/IWMPI.2013.6528351

DO - 10.1109/IWMPI.2013.6528351

M3 - Conference contribution

SN - 978-1-4673-5520-9

T3 - Magnetic Particle Imaging

SP - 1

EP - 1

BT - 2013 International Workshop on Magnetic Particle Imaging (IWMPI)

PB - IEEE

T2 - 3th International Workshop on Magnetic Particle Imaging (IWMPI 2013)

Y2 - 23 March 2013 through 24 March 2013

ER -

Measure of trajectory quality in Magnetic Particle Imaging

Abstract

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