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kada0720 avatar kada0720 commented on June 18, 2024

@sandeepjangir07 I have the same question

from image-super-resolution-via-iterative-refinement.

include5636 avatar include5636 commented on June 18, 2024

@kada0720 @sandeepjangir07

You can find it in DDPM page 4
image

Here continuous_sqrt_alpha_cumprod is $\sqrt{\bar{\alpha}_t}$, thus continuous_sqrt_alpha_cumprod**2 equals to $\bar{\alpha}_t$

Besides, you could find similar formula in SR3 paper on the top left corner of page 3.

from image-super-resolution-via-iterative-refinement.

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