fix noisy images at high step counts #1086
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At step counts greater than ~75, the ksamplers start producing noisy images when using the Karras noise schedule. This PR reverts to using the model's own noise schedule, which eliminates the problem at the cost of slowing convergence at lower step counts. This PR also introduces a new CLI `--save_intermediates <n>' argument, which will save every nth intermediate image into a subdirectory named `intermediates/<image_prefix>'. Addresses issue #1083.
tildebyte
approved these changes
Oct 13, 2022
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Good catch lstein. This patch seems worthy of a new release. |
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Thanks for the quick fix! |
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The actual fix for the noisy image is in: |
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At step counts greater than ~75, the ksamplers start producing noisy images when using the Karras noise schedule. This PR reverts to using the model's own noise schedule, which eliminates the problem at the cost of slowing convergence at lower step counts.
This PR also introduces a new CLI
--save_intermediates <n>argument, which will save every nth intermediate image into a subdirectory namedintermediates/<image_prefix>.Addresses issue #1083.