On 6 Feb 2014 22:40, "Samuel Klein" <meta.sj@gmail.com> wrote:
...
> Are we doing any commons analysis like this at the moment?
> Is any similarity-analysis done on upload to help uploaders identify
> copies of the same image that already exist online?  Or to flag
> potential copyvios for reviewers

Yes O:-)
Checkout Faebot's work with Tineye here:
https://commons.m.wikimedia.org/wiki/User:Faebot/SandboxM