Spatially Adaptive Noise Injection
Experimental results and decoupling ablations demonstrate that SANI consistently improves Fr\'echet Inception Distance (FID) over the vanilla DDPM and DDIM endpoint samplers across diverse sampling timesteps, while remaining competitive with variance-learning baselines, highlighting the importance of spatial adaptivity...
Frantzeska Lavda, Maciej Falkiewicz, V. M. Nguyen et al.
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