[Bug 150533] New: New plugin for correction of backlighting.

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http://bugs.kde.org/show_bug.cgi?id=150533         
           Summary: New plugin for correction of backlighting.
           Product: digikamimageplugins
           Version: unspecified
          Platform: unspecified
        OS/Version: other
            Status: UNCONFIRMED
          Severity: wishlist
          Priority: NOR
         Component: general
        AssignedTo: digikam-devel kde org
        ReportedBy: duloup gmail com


Version:            (using KDE KDE 3.5.7)
Installed from:    Unlisted Binary Package
OS:                Other

A frequent defect in beginners photos is exposure problems such as backlighting. Photos can be corrected by hand but it implies using luminance curves, layers and it's something difficult for beginners. That's why it would be really nice if Digikam could provide a digikamImagePlugin (automatic or with few parameters) for Backlight correction.

A paper describing such automatic algorithm exists and provides interesting results:
http://www.graphicon.ru/2006/proceedings/papers/fe13_24_Safonov.doc

For examples, see Nikon D-Lighting:
http://www.nikondigitutor.com/eng/5900/07/a/07_a_03.shtml

or Photoshop plugin Shadow/Highlight:
http://www.digitalproducer.com/2003/10_oct/tutorials/10_27/pscsshadow031028.htm

Thanks.
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[Arnd Baecker]

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http://bugs.kde.org/show_bug.cgi?id=150533         
arnd.baecker web de changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|general                     |Wish for new plugin



------- Additional Comments From arnd.baecker web de  2007-10-06 14:00 -------
Hmm, concerning the D-lighting example, I think that the sky should not
have been affected (i.e. it got too bright ...;-).

Also see the wish "Contrast mask image plugin"
http://bugs.kde.org/show_bug.cgi?id=145442
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