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Deep Probabilistic Imaging: Uncertainty Quantification and Multi-modal Solution Characterization for Computational Imaging

AAAI 2021 · Probabilistic and scientific modeling › Uncertainty and Gaussian processes · approach: Bayesian decision-making under uncertainty · 39 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
Use entropy weight β=1 rather than other tested weights (ablation)DPI · Toy distributionsKL divergence to the true distribution: 0.1 to 10; β=1Helped
Add a Softplus layer to enforce non-negativity (ablation)DPI for convex interferometric imaging · Synthetic interferometric imagingreconstruction resolutionHelped
Add a Softplus layer to enforce non-negativity (ablation)DPI for convex interferometric imaging · Synthetic interferometric imaginguncertainty-map constraintHelped
Increase MRI acceleration from 3.5× to 8.4× (ablation)DPI · Synthetic fastMRI kneepixel-wise reconstruction standard deviation: 3.5×, 5.5× and 8.4×Hurt
Use an entropy weight other than β=1 (ablation)DPI · Toy distributionsKL divergence to the true distribution: β from 0.1 to 10; β=1Hurt

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