[KPhotoAlbum] handling duplicate images

Risto H. Kurppa risto at kurppa.fi
Tue Aug 3 05:16:01 BST 2010

Hi Markus!

I'm running KPA with 50 000 images. The size of the database grows
huge, but it works OK -and I'm expecting Jesper's recent innovation
with faster thumbnailing to land to KPhotoAlbum (see
http://www.kdedevelopers.org/node/4295 ) - and also SQL backend has
been worked on for a while, then the effect of number of images should
again be smaller.

Duplicates.. I don't think the current KPA knows how to do this, but
to me it looks like a smart and useful feature.. You might want to
file a wish to KDE bugtracker (
https://bugs.kde.org/enter_bug.cgi?product=kphotoalbum&format=guided )
and let's see if one of the devels at some stage start working on it..

The duplicate plugin is part of KIPI plugins and AFAIK, it should
still exist, if installed to your system. But generally all duplicate
finders have been quite bad. Slow, not showing well where the images
are and let me choose which one to remove and so on - maybe they've
improved lately..

Let us know how KPA works for you!


On Tue, Aug 3, 2010 at 12:54 AM, Markus Grabner <grabner at icg.tugraz.at> wrote:
>                Hi all!
>    I was looking for an application to manage a large set of images
> (~100000), and KPhotoAlbum looks promising since it doesn't modify any
> existing image files, but stores all its data in a separate file. However,
> over the years I arranged the images in several directories with numerous
> duplicates according to different grouping criteria (which are actually
> symlinks and don't consume significant disc space). When I import the top
> level image directory into KPhotoAlbum, all these duplicates appear as
> multiple instances of the same image in the thumbnail view.
> It has been suggested to use a "Find duplicated images" plugin (which I
> couldn't locate - did it only exist for KimDaBa?), run a script on the
> "index.xml" file to find entries with identical MD5 sum, or use "fdupes" on
> the file system, and to remove unused duplicate instances. However, I want to
> keep my original data (including the directory layout with the "duplicates",
> i.e., symlinks), but still have KPhotoAlbum display only one instance of any
> image, even if it is found at multiple locations within the image directory.
> Can this be done in the current version of KPhotoAlbum?
>        Thanks & kind regards,
>                Markus
> --
> Markus Grabner
> Institute for Computer Graphics and Vision
> Graz University of Technology, Inffeldgasse 16a/II, 8010 Graz, Austria
> WWW: http://www.icg.tugraz.at/Members/grabner
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| risto h. kurppa
| risto at kurppa dot fi
| http://risto.kurppa.fi

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