Figure 2:

Ethylene glycol phantom (a) results acquired by a ¹³C spectroscopic imaging sequence using a clamshell transmitter and a 16-channel receive array. (b) – (e) shows the four coil combination results as images after integrating the central peak of ethylene glycol. (f) shows the line profile of the column highlighted in red in images (b) – (e). Note the elevated noise level in the SOS image and increased contrast and conspicuity of signal voids at the center of the phantom in the three data-driven (ESPIRiT, RefPeak, and SVD) methods. Reconstructed images have been zerofilled two-fold and displayed on the same normalized scale.