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. Author manuscript; available in PMC: 2016 Oct 31.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2015 Mar;62(3):475–493. doi: 10.1109/TUFFC.2014.006788

Fig. 11.

Fig. 11

Plots of the root-mean-square errors (RMSEs) of the images reconstructed from the noisy data versus (a) the number of iterations and (b) the number of wave equation solver runs. (c) Plots of the cost function value versus the number of iterations. Both the WISE and the sequential waveform inversion methods employed a TV penalty with βTV=5.0×10−4.