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http://bugs.kde.org/show_bug.cgi?id=159397
Summary: Resize quality is really bad
Product: digikam
Version: 0.9.2
Platform: Ubuntu Packages
OS/Version: Linux
Status: UNCONFIRMED
Severity: wishlist
Priority: NOR
Component: general
AssignedTo: digikam-devel kde org
ReportedBy: kamil.stepinski gmail com
Version: 0.9.2 (using KDE 3.5.8)
Installed from: Ubuntu Packages
OS: Linux
Guys,
I see the similar report in the most recent bugs (Bug 152192) but as far as I can see you ended up with no conclusion? Was the bug resolved in the next version of digiKam? No statement there...
Well.. Here's how I see things:
The image resizing quality is _really bad_ in digiKam (I have 0.9.2 installed).
It's so bad that the output is just unacceptable for me. :(
I really think you should add a selection box with a few algorithms (Hermite, Mitchell, Lanczos, etc.) with Lanczos as a default one because it provides the best results.
Currently I'm resizing all pictures with IrfanView (runs well under Wine) and the rest of postprocessing is done in digiKam. It's not the most convenient let me tell you...
I think you should consider the current resize quality as a major issue - as it is a tool that is used very frequently.
Here's the link to the example of the resize quality comparison:
http://picasaweb.google.com/kamil.stepinski/Digikam/photo#5178275271094829746Please observe car window edges.
1 - digiKam 0.9.2 to the left, IrfanView 4.10 to the right
2 - resizing from 5Mpix camera to 800x600, IrfanView is using Lanczos filter, digiKam is using I-don't-know-what.
That's the only major problem I have with digiKam. I think the resize has been working much better in 0.8.x version.
At the end -> Thanks guys for the great piece of software! The application is really great!
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