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Re: cameras/security

Subject: Re: cameras/security
From: G. Morgan <usenet_abuse@xxxxxxxxx>
Date: Fri, 3 Jul 2009 00:47:44 +0000 (UTC)
Newsgroups: alt.security.alarms
References: <4a4c1696.142545@xxxxxxxxxxxxxxxxxxxxxxx> <e5V2m.9485$ml7.6623@xxxxxxxxxxxx> <4a4c2a41.145570@xxxxxxxxxxxxxxxxxxxxxxx> <b323m.62277$b9.54477@xxxxxxxxxxxxxxxxxxxxxx> <6diq459spitfuj0ss133kcrl7666g8suep@xxxxxxx>

(PeteCresswell) wrote:

>I think I get the basic idea: superimpose a logo or something on
>the video.
>
>What I'm missing is why that makes the video more believable.
>
>Sounds like something else is being done too.... but what?

The watermarks are invisible on the screen.  It is digital metadata that is
encrypted with the video that makes it tamper resistant.

References:
- cameras/security
  - From: anonymous
- Re: cameras/security
  - From: Jim Rojas
- Re: cameras/security
  - From: anonymous
- Re: cameras/security
  - From: Bob Worthy
- Re: cameras/security
  - From: (PeteCresswell)

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