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Is there any way to save storage on similar images? (lemmy.pe1uca.dev)

submitted 1 month ago by [email protected] to c/[email protected]

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So, I'm selfhosting immich, the issue is we tend to take a lot of pictures of the same scene/thing to later pick the best, and well, we can have 5~10 photos which are basically duplicates but not quite.
Some duplicate finding programs put those images at 95% or more similarity.

I'm wondering if there's any way, probably at file system level, for the same images to be compressed together.
Maybe deduplication?
Have any of you guys handled a similar situation?

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[–] [email protected] 1 points 1 month ago

I went through the same dilemma. The old Synology photo software had a duplicate finder, but they removed that feature with the "new" version. But even with the duplicate finder, it wasn't very powerful and offered no adjustability.

In the end, I ended up paying for a program called "Excire Foto", which can pull images from my NAS, and can not only find duplicates in a customized and accurate way. It also has a localAI search that bests even Google Photos.

It runs from windows, saves its own database, and can be used as read-only, if you only want to make use of the search feature.

To me, it was worth the investment.

Side note: if I only had <50,000 photos, then I'd probably find a free/cheaper way to do it. At the time, I had over 150,000 images, going back to when the first digital cameras were available + hundreds of scanned negatives and traditional (film) photos, so I really didn't want to spend weeks sorting it all out!

Oh, the software can even tag your photos for subjects so that it's baked into the EXIF data (so other programs can make use of it).