A diffusion-sampling method estimates pixel-wise aleatoric uncertainty as the variance of denoising scores over re-noised copies and uses it to guide generation toward lower FID.
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Diffusion Model Guided Sampling with Pixel-Wise Aleatoric Uncertainty Estimation
A diffusion-sampling method estimates pixel-wise aleatoric uncertainty as the variance of denoising scores over re-noised copies and uses it to guide generation toward lower FID.