Diffusion priors outperform classical priors in sparse-view CT only below about 15 projections, then plateau while classical methods catch up and surpass them.
Diffusion models beat gans on image synthesis,
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When are Diffusion Priors Helpful in Sparse Reconstruction? A Study with Sparse-view CT
Diffusion priors outperform classical priors in sparse-view CT only below about 15 projections, then plateau while classical methods catch up and surpass them.