| Re: correlation between images [message #66078 is a reply to message #65922] |
Mon, 06 April 2009 08:46   |
David Fanning
Messages: 11724
Registered: August 2001
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Senior Member |
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Wox writes:
> I'm just trying to find out whether there is a more robust/objective
> image comparison method.
I know there is, although I don't know what it is.
My son is an intellectual property specialist for
a company that represents photographers and sells
images. They hire an Israeli company to search the
web for images that have not been paid for.
Whatever software they are using (and they don't say,
naturally) is VERY good. They can find images that
have been flipped, re-colored, resized, clipped,
and manipulated in other various ways. I'm pretty
sure they are not relying totally on RMS difference. ;-)
Cheers,
David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")
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