Instrument Variables for Reducing Noise in Parallel MRI Reconstruction

Table 1

Comparison of NMSEs.

	GRAPPA with same sampling pattern	GRAPPA with same reduction factor	Proposed
8-coil phantom	0.07	0.0421	0.0326
4-coil axial	0.4704	0.2506	0.0576
4-coil sagittal	0.6121	None	0.246
8-coil axial	0.1951	0.1176	0.1079