Thanks Martin for this information. I just read the discussion and this new
contrast based mask refinement would have so many uses including possibly
Peter's request to lighten or darken regions based on sharpness. I feel it
would improve the denoising of areas such as skies with less impact on
detailed foregrounds for landscapes. I look forward to the implementation.

On Tue, 6 Apr 2021 at 18:51, Martin Straeten <[email protected]>
wrote:

> There’s a contrast based mask refinement on the way
> https://github.com/darktable-org/darktable/pull/8597
> maybe this might be a way to do this ...
>
>
> Am 06.04.2021 um 06:25 schrieb Terry Pinfold <[email protected]>:
>
> 
> Hi Peter,
>       is there any program out there offering this feature and if so, what
> would be the purpose of doing this? I am not a developer, I am just
> intrigued why there would be a benefit in such a feature. Possibly a mask
> could be drawn around the unsharp area and then the exposure module or
> something similar could be used for changing the brightness of the selected
> area. What I really love about darktable is the drawn and parametric masks.
>
>
> ------------------------------
> *From:* Peter Szmulik <[email protected]>
> *Sent:* Tuesday, 6 April 2021 12:23 AM
> *To:* [email protected] <
> [email protected]>
> *Subject:* [darktable-user] Darken or lighten unsharp areas?
>
> Hi!
>
> I really like the blending controlls in Darktable. One question: is there
> a way of darken, or lighten unsharp areas? If not, any plans?
>
> Best/Peter
>
>
>
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-- 
Dr Terry Pinfold
Cytometry & Histology Lab Manager
Lecturer in Flow Cytometry
University of Tasmania
17 Liverpool St, Hobart, 7000
Ph 6226 4846 or 0408 699053

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