Some news: Today I implemented a tiled version of capture sharpening. That leads to a ~2x speedup of capture sharpening. I have to fix some small border issues and the progress-bar, but I think it will be ready at sunday.
Now the interesting part: The tiled processing would allow (with some additional code and one additional adjuster in UI) to use different radius values depending on the disctance of a tile to the center tile without impact on processing time of capture sharpening.
I will try that when the speedup is completed and pushed to dev…