I haven't tried this service, but it looks like what you're looking for:

http://services.tineye.com/MatchEngine

-Shaun

On 10/15/14 5:56 PM, Shipley, Sarah wrote:
> Hi,
>
> I was wondering if anyone had any recommendations for image de-duping software that compares the images rather than checksums.  We're using Visual Similarity Duplicate Image Finder, but find it's not as accurate as we'd like.   We have a very large number of images to de-dupe in our photo archives and with the current software can't find a balance of comparison that finds all the dups without producing a lot of false positives.
>
>
> [cid:[log in to unmask]]
>
> Sarah Shipley, CA
> Digital Asset Manager
> Legislative Department - Office of the City Clerk
> http://www.seattle.gov/leg/clerk/
> 600 Fourth Avenue, Floor 3
> PO Box 94728
> Seattle, WA 98124-4728
> 206.684.8119
>
>
>

-- 
Shaun Ellis
User Interface Developer, Digital Initiatives
Princeton University Library
609.258.1698