Denoiser Strength

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For all people finding the intervention of the denoiser too strong: there is just one simple parameter to use to decide the "strength" of the denoiser, it is the histogram threshold. It is a threshold under where the denoiser will smooth similar pixels so: a lower value will make the denoiser less intrusive, while an higher value will smooth more pixels. The default values is 1.0.

This is an example of a rendering with 64 samples per pixel (image pipeline #0) and a threshold of 0.25, 1.0 and 4.0 (image pipelines #1, #2, #3):

Denoiser strength.jpg