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So I've finally managed to complete my first animation, it's an animated version of a scene build I created and I decided to outsource it to a render farm for completion. Now that I've got it, I've realized that its extremely noisy and the video has no depth or alpha output in the compositing tab probably because I outsourced it. Now my question is, if I've got the .blend file from which the animation was rendered, is there a way to reproduce an alpha and depth map quickly without having to re-render the whole animation? Or even still, what if I render a still image (the animation contains only very slight movement, like an animated wallpaper) and took its depth and alpha outputs and apply them to the depth and alpha of the denoiser.

Edit: Just to clarify, I have tried to denoise without the use of a depth and alpha information but the results are poor. Most of the image does not move at all, its only a few centered object that float up and down.

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  • $\begingroup$ Oh, right. The title was a little misleading. I guess my answer is not valid anymore :) Are you sure you need the depth and alpha values to denoise your images though ? $\endgroup$
    – Gorgious
    May 13, 2020 at 10:04
  • $\begingroup$ Sorry, I should have included that in the question. I've edited in more info. $\endgroup$
    – Max McLeod
    May 13, 2020 at 10:13

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You can try to denoise any image or image sequence with the compositor, without denoising data. The result will obviously not be as great as if it was using denoising data, but you won't have to re-render everything.

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