"Stable Target Field for Reduced Variance Score Estimation in Diffusion Models. (arXiv:2302.00670v1 [cs.LG])" — A method to improve diffusion models by by reducing the variance of the training targets in their denoising score-matching objective. This is achieved by incorporating a reference batch which is used to calculate weighted conditional scores as more stable training targets.

Paper: http://arxiv.org/abs/2302.00670
Code: https://github.com/Newbeeer/stf

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