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. > 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
