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Over the years, I've accumulated a lot of pictures, across a bunch of different machines. I think I've mostly kept them in a yyyy/mm/ directory structure, but especially with some of the older pictures, there seem to be a lot of duplicates. What's the best way to identify the duplicates? Are there good tools to do this, or am I going to have to write something on my own? |
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A number of programs can find duplicates based on image contents. Some asset management apps will do it and there are also dedicated programs. If you Google 'detect duplicate images' you'll see quite a few options. See which ones are available for your platform. Another solution is to simply import the files with the 'ignore duplicate option'. Picasa, which is free, can do it. |
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Picasa has a duplicate file finder but it's hard to tell what you are looking at: Run Picasa; click Another option is the free "Fast Duplicate File Finder": What I liked about this is it allows to you preview the picture before deciding you don't need the duplicate.
That works fine as long as the files are identical, but if you are looking for similar photos (e.g. same photo but resized, rotated, or manipulated), you may want to look into their upgraded version: Visual Similarity Duplicate Images Finder I haven't used this program but I used a very similar program (no longer made) and I found it very useful. They have a free download so it might be worth checking out. |
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Acdsee is a simple/popular photo browsing app that has this feature (Tools -> Find duplicates). |
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For Linux, try FSlint. It's a bit slow, but it will definitely find duplicates. |
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