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. Author manuscript; available in PMC: 2021 May 25.
Published in final edited form as: IEEE Trans Med Imaging. 2019 Apr 16;39(2):294–307. doi: 10.1109/TMI.2019.2911482

Fig. 4:

Fig. 4:

TV as a function of N after each of the first 4 feasibility-seeking iterations for the experimental CTP404 data set using OTVS and NTVS (TV reduction requirement excluded) with λ = 0.0001 and α = 0.5 .