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Suppressing Multi-Channel Ultra-Low-Field MRI Measurement Noise Using Data Consistency and Image Sparsity

Figure 1

A: Our ULF-MRI system, which includes the x-, y-, and z-gradients (orange, red, and blue, respectively) and the magnet to generate the measurement field (green).

The polarizing and excitation coils are not shown in the figure. B: The posterior view of the system shows 47 SQUID sensors covering the posterior parts of the head.

Figure 1

doi: https://doi.org/10.1371/journal.pone.0061652.g001