 Phil Wang
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0ffff59ca0
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add option for random fourier features, given misinterpretation of Katherine's code, thanks to @tmabraham for addressing this in https://github.com/lucidrains/denoising-diffusion-pytorch/issues/112
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2022-10-30 09:32:06 -07:00 |
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Phil Wang
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689593a579
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add the new self conditioning technique from hintons group from bit diffusion paper
0.27.0
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2022-08-10 10:52:07 -07:00 |
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Phil Wang
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931a5af2c3
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bring in ddim sampling
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2022-07-09 16:10:23 -07:00 |
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Phil Wang
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9939a48139
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make sure all versions of torch supported
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2022-06-23 12:28:09 -07:00 |
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Phil Wang
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9fd05f1b1f
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switch to learned sinsuoidal pos emb for the continuous case
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2022-06-17 09:24:51 -07:00 |
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Phil Wang
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f900f40f14
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allow for turning off horizontal flip augmentation
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2022-06-09 20:59:59 -07:00 |
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Phil Wang
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479f60c178
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add p2 loss weighting to SNR version of denoising diffusion, brought up by @Mut1nyJD, paper is https://arxiv.org/abs/2204.00227
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2022-06-09 08:25:05 -07:00 |
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Phil Wang
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96bb2ff310
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alpha cosine noise schedule is now working for continuous time gaussian diffusion
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2022-06-08 23:07:01 -07:00 |
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Phil Wang
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582bfe275b
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successfully did some basic math and clipped the predicted x0 intermediate for the continuous time case
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2022-06-08 17:59:41 -07:00 |
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Phil Wang
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4284c8840d
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clipping for continuous time diffusion not working
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2022-06-08 16:26:18 -07:00 |
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Phil Wang
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c44d3ea01d
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learned noise schedule seems to be working, allow for one to make the monotonic net learn a bit more slowly than the unet
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2022-06-08 12:34:07 -07:00 |
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Phil Wang
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c4991f576f
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allow for configuring the hidden dimension of the monotonic mlp parameterizing the noise schedule
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2022-06-08 11:18:54 -07:00 |
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Phil Wang
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a19331aa59
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fix learned noise schedule
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2022-06-08 10:19:02 -07:00 |
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Phil Wang
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94eabaca1a
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complete learned noise schedule for variational ddpm paper, still need to finish cosine alpha schedule in log(snr) form
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2022-06-08 09:47:09 -07:00 |
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Phil Wang
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eaf9d9fdc4
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unet needs to be conditioned on log(snr) in p_mean_variance for continuous time gaussian diffusion
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2022-06-08 00:41:41 -07:00 |
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Phil Wang
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3bf5e768c2
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use a non-sinusoidal embedded condition for continuous time gaussian diffusion conditioned on log(snr)
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2022-06-07 21:15:27 -07:00 |
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Phil Wang
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532178a6a3
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assume when sampling all batch samples are at the same time, and do not noise for the last time step
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2022-06-07 16:12:44 -07:00 |
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Phil Wang
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3bbb6ebf16
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get working version of gaussian diffusion with continuous time (only beta linear schedule for now, but will eventually contain alpha cosine schedule as well as parameterized, learned monotonic MLP)
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2022-06-07 15:59:29 -07:00 |
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