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Hi, finally I made profiles for Pentax K20D; I'm not sure I did them right, so there are some questions: 1. My camera is set to Weak noise reduction for high ISO. I don't know if it affects RAW (someone said on the list that it is the case for some Pentax cameras). 2. File format for noise profile images > open a terminal, go to the directory you just exported your images to. from there, type ... > (http://www.darktable.org/2012/12/profiling-sensor-and-photon-noise/)OK, I understood it as 1) apply raw linear style, 2) export from raw. What format should have I exported to? I tried exporting to 16-bit TIFF and running gen-profiles on them. The profile seem to be usable. I also tried running gen-profiles on the original raw files, but the default base curve seems to be applied. The profile seems to be useful in practice (I don't attach it). 3. ISO steps I tried profiling every half-stop (100, 140, 200, 280, ...). Didn't notice any problem with that yet. Is it ok to do so? 4. When I enable `denoise (profiled)' module, some generic settings seem to be applied. I have to select the right profile manually. Is it how the module is supposed to work now? Impressions: denoising seems to be too strong at high ISO (> 400), wavelet denoising works better than nlmeans for me (produces less smearing, preserves texture). Sergey I've linked 1 file to this
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