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I tried injecting noise created by your Noisy Latent Image node into a KSampler (Advanced) node and (naively?) assumed that by setting the add_noise parameter to disabled I would be able to obtain the same effect as by using an Empty Latent Image with add_noise enabled (using the same seed). This is at least what logic suggests to me. To my surprise, when add_noise is disabled, I always get the same image result, whatever Latent I use as input to the KSampler. The result seems to have no relation with what is usually generated when add_noise is enabled and remains the same if I use different seeds in the Noisy Latent Image. I checked the generated noise by decoding and previewing the Latent and it obviously varies.
The example you provide is making use of Inject Noise and KSampler (Advanced) in a manner similar to what I'm trying to achieve. Can you explain why it seems to work in one case and not the other?
The text was updated successfully, but these errors were encountered:
I finally figured out the answer to my question above.
For those wondering, you need to use an Empty Latent Image and a Noisy Latent Image and combine then via a Inject Noise node together with the strength provided by a Get Sigma node. This can then be sent to a KSampler Advanced with add_noise disabled.
Hello @BlenderNeko,
I tried injecting noise created by your
Noisy Latent Image
node into aKSampler (Advanced)
node and (naively?) assumed that by setting theadd_noise
parameter to disabled I would be able to obtain the same effect as by using anEmpty Latent Image
withadd_noise
enabled (using the same seed). This is at least what logic suggests to me. To my surprise, whenadd_noise
is disabled, I always get the same image result, whatever Latent I use as input to the KSampler. The result seems to have no relation with what is usually generated whenadd_noise
is enabled and remains the same if I use different seeds in theNoisy Latent Image
. I checked the generated noise by decoding and previewing the Latent and it obviously varies.The example you provide is making use of
Inject Noise
andKSampler (Advanced)
in a manner similar to what I'm trying to achieve. Can you explain why it seems to work in one case and not the other?The text was updated successfully, but these errors were encountered: