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TABLE III.

Comparison of the estimated regularization parameters β̂ obtained with VEM and MCMC JDE for the experimental conditions involved in the studied contrasts: Visual-Auditory (VA) and Computation-Sentences (CS). Results are provided for the two highlighted parcels for each contrast (see Figs. 12 and 13).

VA contrast CS contrast

β̂ for parcel γ 1 β̂ for parcel γ 2 β̂ for parcel γ 3 β̂ for parcel γ 4
β ^ Vis . γ 1 β ^ Aud . γ 1 β ^ Vis . γ 2 β ^ Aud . γ 2 β ^ Comp . γ 3 β ^ Sent . γ 3 β ^ Comp . γ 4 β ^ Sent . γ 4
MCMC 1.28 1.08 1.24 1.05 1.08 0.68 1.07 0.64
VEM 1.14 0.01 1.08 0.01 0.91 0.01 0.82 1.19
IEEE Trans Med Imaging. 2013 May; 32(5): 821–37.
Published online 2012 October 19. doi: 10.1109/TMI.2012.2225636.