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. Author manuscript; available in PMC: 2023 Apr 1.
Published in final edited form as: Magn Reson Med. 2021 Nov 26;87(4):1894–1902. doi: 10.1002/mrm.29085

Figure 3.

Figure 3

The coil sensitivity maps (e.g., 8-th coil) estimated using 4 ACS lines and the subsequent iterative SENSE reconstructions at R=4 of a GRE testing data from another subject. RMSEs of the sensitivity maps and SENSE reconstructions are shown in the magnitude image. Error maps were scaled by 5 folds for better visualization. The ESPIRiT method generated inferior coil sensitivity information due to insufficient calibration data and the smaller kernel size (e.g., 5) that could only be used.