Cardiac t1 mapping Data acquisition 1 Electrocardiography 1 Flip angle 1 Free breathing 1 Gradient echo 1 Heart 1 Humans 1 Image Interpretation, Computer-Assisted 1 Inhomogeneities 1 Inversion recovery 1 Low-rank 1 Magnetic Resonance Imaging 1 Mapping 1 Myocardial t1 mapping 1 Phantoms, Imaging 1 Recovery 1 Reproducibility of Results 1 Spoiled gradient-echo 1 Transmit b1 inhomogeneity 1 computer assisted diagnosis 1 diagnostic imaging 1 heart 1 human 1 imaging phantom 1 nuclear magnetic resonance imaging 1 procedures 1 reproducibility 1