SPGD combines a progressive likelihood warm-up with adaptive directional momentum to reduce gradient conflicts and fluctuations in diffusion-based image restoration, improving metrics over existing baselines.
Advances in neural information processing systems 36 (2024)
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Enhancing Diffusion Model Stability for Image Restoration via Gradient Management
SPGD combines a progressive likelihood warm-up with adaptive directional momentum to reduce gradient conflicts and fluctuations in diffusion-based image restoration, improving metrics over existing baselines.