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. Author manuscript; available in PMC: 2020 Feb 1.
Published in final edited form as: IEEE Trans Med Imaging. 2018 Sep 10;38(2):561–571. doi: 10.1109/TMI.2018.2867602

Fig. 7.

Fig. 7.

Surface plots of (A) SO2 estimation error, (B) inverse of total voxel number included in mask, and (C) SNR mask optimization cost function; local minimum denoted with a green arrow and red circle.