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/lp/de-gruyter/experimental-evaluation-of-different-weighting-schemes-in-magnetic-CaXOYkd2bb
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- Publisher
- de Gruyter
- Copyright
- Copyright © 2015 by the
- ISSN
- 2364-5504
- eISSN
- 2364-5504
- DOI
- 10.1515/cdbme-2015-0052
- Publisher site
- See Article on Publisher Site
Abstract
Abstract Magnetic Particle Imaging (MPI) is a new imaging technique with an outstanding sensitivity, a high temporal and spatial resolution. MPI is based on the excitation and detection of magnetic tracer material by using magnetic fields. The spatial resolution strongly depends on the reconstruction parameters and on the selection and weighting of the system function frequency components. Currently, no fundamental strategy to weight the system function for the reconstruction is given. In this contribution, the influence on the spatial resolution of different selection and weighting methods is analyzed. Thereby, a new strategy is proposed to select and weight the components with respect to their mixing order. As a result, it is confirmed that a weighted system function provides better results of image reconstruction than a non-weighted one. In addition to this, it is shown that the usage of the mixing order in combination with established weightings improves the resolution.
Journal
Current Directions in Biomedical Engineering – de Gruyter
Published: Sep 1, 2015