2013/2/22 johannes hanika <[email protected]>: > On Fri, Feb 22, 2013 at 1:22 PM, Julian J. M. <[email protected]> wrote: >> Hightlight reconstruction in darktable seems to just clip the values, > > not true. >
is it broken ? feels like it... playing with the TO's raw file. >> so >> that the color turns white (or gray if you keep lowering it)... But it >> looses much information that's there. Usually it's the green channel what >> gets overexposed, but knowing the aproximated tone of the area, using the >> red and blue channels, it should be possible to reconstruct much of the >> missing information. >> >> That's what Rawtherapee seems to have implemented: >> http://code.google.com/p/rawtherapee/issues/detail?id=780 >> There's a patch there... not sure how hard would it be to port it to >> darktable. >> >> Julian. >> >> >> On Thu, Feb 21, 2013 at 10:39 PM, johannes hanika <[email protected]> wrote: >>> >>> yes, what simon said. there are two things i would try, one is >>> exposure, the other is adjust the basecurve to something a little >>> lower in the bright regions at least (or try the `dark contrast' one >>> and pull down the right end some more). you first need to get the >>> highlights down < 1.0 before you can actually see the effect of >>> reconstruction. >>> >>> -jo >>> >>> On Fri, Feb 22, 2013 at 11:36 AM, Simon Spannagel <[email protected]> wrote: >>> > Hi Hans Petter, >>> > >>> > have you tried to adjust the exposure in darktable? To me it looks a bit >>> > like the details should be there in general but the areas are still >>> > overexposed since both dt pictures are much brighter in general. >>> > >>> > Simon >>> > >>> > >>> > Am 21.02.2013 23:29, schrieb Hans Petter Birkeland: >>> >> Hi, >>> >> I'm testing out Darktable and Rawtherapee at the moment to see which >>> >> one >>> >> of them I will use in the future. I must say that Darktable wins in >>> >> every respect but one: Highlight reconstruction. I find that >>> >> Rawtherapee >>> >> is capble of recovering much more detail from overexposed highlights. >>> >> >>> >> Here are some examples: >>> >> https://www.dropbox.com/sh/s15m6zokz2ksugb/UGt6o64Lj9 >>> >> >>> >> The method I used in Darktable was Reconstruct in LCh, and in >>> >> Rawtherapee I used Color Propagation. >>> >> >>> >> Any idea why Darktable can't find what is actually there? The Color >>> >> Propagation is quite slow on my ancient system, but the result is so >>> >> much better. Any chance that Darktable will do this in the future? >>> >> >>> >> >>> >> My system: >>> >> Linux Mint 13, 32 bit >>> >> Darktable 1.1.3 >>> >> Rawtherapee 3.0.0.6 >>> >> >>> >> >>> >> Thanks, >>> >> Hans Petter Birkeland >>> >> >>> >> >>> >> >>> >> ------------------------------------------------------------------------------ >>> >> Everyone hates slow websites. So do we. >>> >> Make your web apps faster with AppDynamics >>> >> Download AppDynamics Lite for free today: >>> >> http://p.sf.net/sfu/appdyn_d2d_feb >>> >> >>> >> >>> >> >>> >> _______________________________________________ >>> >> Darktable-users mailing list >>> >> [email protected] >>> >> https://lists.sourceforge.net/lists/listinfo/darktable-users >>> >> >>> > >>> > >>> > ------------------------------------------------------------------------------ >>> > Everyone hates slow websites. So do we. >>> > Make your web apps faster with AppDynamics >>> > Download AppDynamics Lite for free today: >>> > http://p.sf.net/sfu/appdyn_d2d_feb >>> > _______________________________________________ >>> > Darktable-users mailing list >>> > [email protected] >>> > https://lists.sourceforge.net/lists/listinfo/darktable-users >>> >>> >>> ------------------------------------------------------------------------------ >>> Everyone hates slow websites. So do we. >>> Make your web apps faster with AppDynamics >>> Download AppDynamics Lite for free today: >>> http://p.sf.net/sfu/appdyn_d2d_feb >>> _______________________________________________ >>> Darktable-users mailing list >>> [email protected] >>> https://lists.sourceforge.net/lists/listinfo/darktable-users >> >> >> >> >> -- >> http://www.julianmenendez.es > > ------------------------------------------------------------------------------ > Everyone hates slow websites. So do we. > Make your web apps faster with AppDynamics > Download AppDynamics Lite for free today: > http://p.sf.net/sfu/appdyn_d2d_feb > _______________________________________________ > Darktable-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/darktable-users ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_feb _______________________________________________ Darktable-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/darktable-users
