A training-free method (DDRM-PR) that combines pretrained diffusion priors with alternating projection improves Fourier phase retrieval over HIO alone, but with only modest simulated gains and a heuristic theoretical basis.
Phaseretrieval: Fromcomputationalimaging to machine learning: A tutorial,
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DDRM-PR: Fourier Phase Retrieval using Denoising Diffusion Restoration Models
A training-free method (DDRM-PR) that combines pretrained diffusion priors with alternating projection improves Fourier phase retrieval over HIO alone, but with only modest simulated gains and a heuristic theoretical basis.