this post was submitted on 29 Feb 2024
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Stable Diffusion

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Why does transparency seem to get replaced with black in img2img? How to fix? (sopuli.xyz)
submitted 8 months ago by [email protected] to c/[email protected]
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I’ve been having a go at using Stable Diffusion through Easy Diffusion. I made a png with alpha for img2img, but the transparency seems to be getting replaced with black, ruining the image. I was expecting the transparency to get replaced with noise. Are there any good fixes/workarounds?

  • I don’t really want to add my own noise to the input image itself, because wouldn’t that make the randomness produced by stable diffusion useless?
  • Could I manually script it to automatically layer the image over the noise, or over the image after a few steps in?
  • I don’t have a dedicated graphics card yet, so I’m CPU only.
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