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by mosselman
2443 days ago
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I once built an image comparison feature into some webpage that had uploads. What I did was scale down all images (for comparison only) to something like 100x100 and I think I made them black and white, but I am not sure about that last detail. I'd then XOR one thumbnail with another to compare their level of similarity. I didn't come up with this myself, I put together a few pieces of information from around the web... as with about 100% of things I build ;). Not perfect, but it worked pretty well for images that were exactly the same. Of course it isn't as advanced as Imagededup. |
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