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Commits on Mar 5, 2023

• rederive predicted noise for ddim sampling with predict noise objective, and when x0 clipping is enabled

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Commits on Mar 2, 2023

• add fid score calculation to base ddpm, thanks to @lhaippp

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• Merge pull request lucidrains#178 from lhaippp/main

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Commits on Feb 16, 2023

• add ability to use dual patchnorm in simple diffusion

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• add lion optimizer for researchers to play with

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Commits on Feb 13, 2023

• simple diffusion employs a new attention stabilization trick circulating within brain. was scratching my head at the pseudocode, but this paper https://arxiv.org/abs/2302.05442 clarified it

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Commits on Feb 6, 2023

• Merge pull request lucidrains#167 from lhaippp/main

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Commits on Feb 2, 2023

• fix return all timesteps for ddim sampling, thanks to @Li-Qingyun

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Commits on Feb 1, 2023

• release simple diffusion

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• Merge pull request lucidrains#161 from lucidrains/simple-diffusion

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• whoops

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• complete customizable downsample factor, using tuple of downsample_factor for uvit

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Commits on Jan 31, 2023

• some more cleanup

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• add the patchify method, though they say the dwt method is superior

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• get the predict v-space objective in there for simple diffusion

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• the feedforward was conditioned by the time in the hidden state layer

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• complete all noise shifting interpolated logic, as was graciously spoonfed to us as pseudocode in the appendix by authors

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Commits on Jan 30, 2023

• complete the inner vit with dropout

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• just some scaffold to get ready to modify into simple diffusion

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• add ddpm with external guidance function, from @pengzhangzhi

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• Merge pull request lucidrains#160 from pengzhangzhi/main

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Commits on Jan 27, 2023

• prepare for adding new Salimans paper

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Commits on Jan 24, 2023

• fix interpolate functions

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Commits on Jan 17, 2023

• add ability to turn off auto-normalization

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Commits on Jan 14, 2023

• 1.0.4

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• Merge pull request lucidrains#152 from qiyan98/main

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Commits on Jan 10, 2023

• link to dpm++ paper

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• cleanup dpm solver ++ for elucidated diffusion and release

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• Merge pull request lucidrains#148 from Mut1nyJD/master

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Commits on Jan 7, 2023

• readme

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Commits on Jan 4, 2023

• allow for returning all images across timesteps during sampling process

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Commits on Dec 28, 2022

• add ability to turn off auto normalization in ddpm 1d

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Commits on Dec 23, 2022

• default to sigmoid noise schedule, seems to be a lot better

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• add the new sigmoid schedule, purportedly more stable and better for larger images than cosine schedule, from https://arxiv.org/abs/2212.11972 Figure 8

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Commits on Dec 22, 2022

• better ddim eta default

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