Fig. 9.
Reconstructions of an orange are shown at R=6 under different levels of additional correlated whole body noise. Noise was added directly to a fully sampled data set. NSI is robust to the noise as it uses an algebraic reconstruction technique, and the noise adds no error to the encoding information. Cartesian SENSE amplifies the noise during matrix inversions for each position. Matrix inversions become ill-conditioned as the acceleration factor approaches the number of coils, and therefore the noise is amplified.