Residual error/uncertainty is always present in the estimated local SAR, therefore it is essential to investigate and understand the magnitude of the main sources of error/uncertainty. Last year we presented a Bayesian deep learning approach to map the relation between subject-specific complex B1+-maps and the corresponding local SAR distribution, and to predict the spatial distribution of uncertainty at the same time. The preliminary results showed the feasibility of the proposed approach. In this study, we show its ability to reliably capture the main sources of uncertainty and detect deviations in the MR examination scenario not included in the training samples.
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