[pHash-support] PHash Usage

Evan Klinger eklinger at phash.org
Fri Apr 15 09:06:23 PDT 2011

Hi Bob,
This is beyond the scope of pHash. What you're looking for is a
watermark to embed and then a video container that will support
connecting to URLs. ASF supports this and it is a major vector for
exploits that can compromise your system. So the short answer is no.


On Fri, Apr 15, 2011 at 2:20 AM, Bob Foster <squeak251 at live.com> wrote:
> Hi All
> I have recently found phash, and I was wondering if it could be used for an
> application I am working on.
> Basically what I want to do is have a digital finger print embedded into a
> video file that will enable me to monitor when a video is played. Everytime
> the video is played I am notified about this, ideally with the users IP so I
> can find out who played it.
> Now there are problems I can see with this, is if the user records the video
> onto a different system, compresses it etc this could effect this digital
> signature.
> This would be used to track product placements, and we would be informed how
> long the video had been played for.
> Any help on this would be greatly appreciated.
> Bob
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