Denoise background only

This does not work. When I activate backgound, the red area is displayed correctly, but the subject is denoised as well. And even if I chonse ‘None’, in the preview the subject is denoised slightly.

How is it possible to denoise the background only and don’t touch the subject?

There is no set way as the subject mask applies to sharpening only. You may want to read through the documents at docs.topazlabs.com to see how to control enhancing, DeNoise and sharpening.

If you are calling as a plugin from Photoshop or Affinity Photo etc, duplicate the layer and mask out the areas you don’t want to denoise.

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