on 29/11/02 11:15 am, Ron Jones at [EMAIL PROTECTED] wrote:

> Probably a dumb question with a very obvious answer but here goes. In the
> 'olden days' it was relatively easy to prove that you owned the copyright of
> an image. You could simply produce the original transparency or negative.

> My question is - how can you do that with a digicam image when, presumably,
> every copy that you or anybody else makes is an exact clone of the original?
> I am obviously assuming that you haven't embedded a watermark, invisible or
> otherwise, in the image.

Ron. I think this is where EXIF information might help. It is info that is
embedded by a digital camera at the time of shooting and includes details
right down to the serial numbers of the equipment and also a � symbol I
believe. I'm sure Martin Evening can enlighten us more because I think Pixel
Genius, a company he is involved in work in this area.
Logically I suppose you might have to produce the camera instead of the neg!
HTH. Patrick.
-- http://www.patrickbaldwin.com
A member of The Association of Photographers
+44(0)20 8891 2516
+44(0)7802 408 638


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