[Digikam-users] Dark Images for 16-bit raw and reconstructed highlights

[Paul Waldo]

Can anyone else confirm that converting a raw with Unclip and/or Rebuild Highlights produce a dark image with much shadow detail thrown away?  I plan on filing a bug and want to make sure this is not just my issue.  Thanks in advance!

Paul
----- "Paul Waldo" <paul at waldoware.com> wrote:

> Hi David,
> 
> Thanks for having a look.  I find that "Solid White" and "Blend"
> produce good results.  I get the dark image in "Unclip" and "Rebuild"
> mode.  Do you get the same results?
> 
> Paul
> ----- "davidvincentjones" <davidvj at verizon.net> wrote:
> 
> > Taking your raw data ... I applied my usual 'blend' plus 'auto
> > brightness'
> > and found the image anything but dark.
> > 
> > My reading of the image indicated slightly blown highlights but a
> good
> > black
> > range. I do not by the way think that my process lost the highlight
> > detail.
> > 
> > Without using the 'auto brightness', and simply manually opening up
> > the data
> > provides a very similar result.
> > 
> > Are you perhaps using an icc that is totally incompatible?
> > 
> > David
> > 
> > 
> > Bugzilla from paul at waldoware.com wrote:
> > > 
> > > Hi Mikolaj,
> > > 
> > > Sorry it took solong to respond, but I had hosting issues...
> > > The original raw file can be found here:
> > > http://www.waldoware.com/photo2009-02-26_18-52-30-000034.crw
> > > 
> > > I did a conversion using the defaults plus setting Highlights to
> > Rebuild
> > > which is viewable here:
> > >
> >
> http://www.waldoware.com/photo2009-02-26_18-52-30-000034_highlights_rebuild.png
> > > 
> > > BTW, only two out of the four Highlights options cause this
> > truncation of
> > > pixels.  Any ideas you have would be greatly appreciated!
> > > 
> > > Paul
> > > 
> > > ----- "Mikolaj Machowski" <mikmach at wp.pl> wrote:
> > > 
> > >> On Tuesday 12 May 2009 15:20:25 Paul Waldo wrote:
> > >> > Has anyone in the Digikam community had good results with
> > Highlight
> > >> > Rebuild?  I just can't get it to work without destroying my
> > image
> > >> :-(
> > >> >
> > >> > Paul
> > >> 
> > >> I used HR successfully in the past, didn't use recently being
> more
> > >> careful 
> > >> when shooting. Could you post somewhere your RAW for testing?
> > >> 
> > >> m.
> > >> _______________________________________________
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> > > 
> > > 
> > 
> > -- 
> > View this message in context:
> >
> http://www.nabble.com/Dark-Images-for-16-bit-raw-and-reconstructed-highlights-tp23414351p23556239.html
> > Sent from the digikam-users mailing list archive at Nabble.com.
> > 
> > _______________________________________________
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