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. Author manuscript; available in PMC: 2014 Jun 2.
Published in final edited form as: IEEE Trans Biomed Eng. 2012 Aug 23;59(12):3365–3371. doi: 10.1109/TBME.2012.2208965

Fig. 5.

Fig. 5

FDTD human head model results at 9.4 T (400 MHz) when the 16-channel head coil is used. (a) Head model mask and the ROI is shifted to the left. (b) and (d) B1+ results with the initial convex optimization (1 iteration). (c) and (e) B1+ results after 14 iterations.