yeah, sorry.. these images look processed and the fits are totally off. can you try again with a fresh directory with just the raw files and `gen-profile -d .' ?
-jo On Mon, Jan 14, 2013 at 5:10 PM, johannes hanika <[email protected]> wrote: > hey, > > On Mon, Jan 14, 2013 at 7:55 AM, Sergey Astanin <[email protected]> wrote: >> >> 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). > > we'll see how well the graphs match. sometimes it still kind of works. > >> 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. > > oh, .. yeah, that was probably text for the old make.sh. gen-profile > works directly on the raw files. > >> 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). > > maybe you already had xmp sidecars created for those? be sure to start > with a clean directory, only raw files in 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? > > should be fine, these values interpolate quite nicely. usually. modulo > weird whitepoint issues for 1/3rd stops in the 5d mark iii for > example. it's just interesting for us to get more data. > > >> 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? > > you can try your presets locally, without recompile. but if you submit > them and we include them in the source, these will show up in the > combobox, not as presets anymore. > >> Impressions: denoising seems to be too strong at high ISO (> 400), wavelet >> denoising works better than nlmeans for me (produces less smearing, >> preserves texture). > > cool :) wavelets are also faster to compute, potentially. > > cheers, > jo > >> >> Sergey >> >> >> >> I've linked 1 file to this email: >> dt-noiseprofile-20130113.tar.gz(4.2 MB)Ubuntu >> Onehttp://ubuntuone.com/5YPzilh7JOrvymeQQI2zIh >> Mozilla Thunderbird makes it easy to share large files over email. >> >> >> >> ------------------------------------------------------------------------------ >> Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS, >> MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current >> with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft >> MVPs and experts. ON SALE this month only -- learn more at: >> http://p.sf.net/sfu/learnmore_123012 >> _______________________________________________ >> darktable-devel mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/darktable-devel >> ------------------------------------------------------------------------------ Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS, MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft MVPs and experts. SALE $99.99 this month only -- learn more at: http://p.sf.net/sfu/learnmore_122412 _______________________________________________ darktable-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/darktable-devel
