A forward-model simulation for Quantitative Susceptibility Mapping
Project description
QSM Forward Model
Based on Marques, J. P., et al. (2021). QSM reconstruction challenge 2.0: A realistic in silico head phantom for MRI data simulation and evaluation of susceptibility mapping procedures. Magnetic Resonance in Medicine, 86(1), 526-542. https://doi.org/10.1002/mrm.28716
Includes code for:
- Field model (forward multiplication with dipole kernel based on chi)
- Signal model (magnitude and phase simulation based on field/M0/R1/R2star)
- Phase offset model
- Noise model
- Shim field model
- k-space cropping
See main.py for a full example.
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