How to manually subtract a dark frame?
Started Jun 3, 2014 | Discussions thread
john Clinch • Veteran Member • Posts: 3,045
Re: ufraw, rawtherapee
In reply to iansmith • Jun 5, 2014
I've not tried this but should really learn
It suggests here putting the dark frame above the image and then setting the blend mode to difference
You can tune the result with the opacity slider
Is that what you tried?
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