Rapid relaxation-based color MPI
International Journal on Magnetic Particle Imaging
Infinite Science Publishing
2 Suppl 1
1 - 3
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Color magnetic particle imaging (MPI) techniques have recently gained popularity, with the purposes of distinguishing different nanoparticle types or nanoparticles in different environments. In this work, we extend a relaxation-based color MPI technique that we recently proposed, and make it applicable to rapid trajectories that distort the underlying mirror symmetry of the adiabatic MPI signal. We propose a method to recover the mirror symmetry, with delay and signal amplitude compensations. The proposed technique rapidly produces a relaxation map of the scanned region, without any prior information about the nanoparticles.