Publisher DOI: 10.18416/IJMPI.2020.2009035
Title: Enhanced compressed sensing recovery of multi-patch system matrices in MPI
Language: English
Authors: Grosser, Mirco 
Boberg, Marija  
Bahe, Marleen 
Knopp, Tobias 
Issue Date: 2020
Source: International Journal on Magnetic Particle Imaging 2 (6): 2009035 (2020)
Journal or Series Name: International journal on magnetic particle imaging 
Abstract (english): 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.
URI: http://hdl.handle.net/11420/7316
ISSN: 2365-9033
Institute: Biomedizinische Bildgebung E-5 
Type: (wissenschaftlicher) Artikel
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