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What tools might be available in Ubuntu to scan many image files and detect similar ones despite different sizes, formats, etc?

Support for batch mode/cli would be especially good. For example, so I could write a script to favor the higher resolution/color depth versions and delete others.

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1 Answer 1

up vote 3 down vote accepted

Graphically Digikam can do that.

enter image description here


For the command line you can use Findimagedupes.

The simple command is findimagedupes ~/Pictures.

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Thanks. My search in the repos also found me findimagedupes and puzzle-diff. Like Digikam, Google's Picasa also has a gui tool for spotting repeated images, and it can be persuaded to run under Linux (via wine or natively maybe?) –  Marcos Apr 17 '12 at 22:48
    
Picasa runs (barely) under wine. –  desgua Apr 18 '12 at 22:53

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