[10355] in cryptography@c2.net mail archive
Perdue Done (Watermarked) It (was Re: Edupage, February 1, 2002)
daemon@ATHENA.MIT.EDU (R. A. Hettinga)
Sat Feb 2 11:36:09 2002
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Date: Sat, 2 Feb 2002 09:49:08 -0500
To: cryptography@wasabisystems.com
From: "R. A. Hettinga" <rahettinga@earthlink.net>
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At 5:54 PM -0700 on 2/1/02, EDUCAUSE wrote:
> DIGITAL WATERMARKING MAKES INTERNET VIDEO SPLASH
> Purdue University researchers have found a way to ensure
> Internet-delivered video maintains its watermark and keeps
> channel disturbance to a minimum, protecting the content from
> copyright infringement and hackers. Purdue professor of computer
> engineering Edward Delp said the technique allows for
> resynchronization at the receiving end that can decipher and
> piece together Internet video streams that are often chopped
> and mixed up while traveling over noisy networks. The result,
> said Delp, is the integrity of the watermark and image, while
> the stream is still delivered in real time. Traditional methods
> of piecing together Internet-delivered content largely do not
> work for audio and video, he added. The technique also helps
> guard against hackers because of the way it controls channel
> disturbance, and could also be used to decipher terrorist
> messages embedded in Internet-delivered video.
> (NewsFactor Network, 31 January 2002)
--
-----------------
R. A. Hettinga <mailto: rah@ibuc.com>
The Internet Bearer Underwriting Corporation <http://www.ibuc.com/>
44 Farquhar Street, Boston, MA 02131 USA
"... however it may deserve respect for its usefulness and antiquity,
[predicting the end of the world] has not been found agreeable to
experience." -- Edward Gibbon, 'Decline and Fall of the Roman Empire'
--
-----------------
R. A. Hettinga <mailto: rah@ibuc.com>
The Internet Bearer Underwriting Corporation <http://www.ibuc.com/>
44 Farquhar Street, Boston, MA 02131 USA
"... however it may deserve respect for its usefulness and antiquity,
[predicting the end of the world] has not been found agreeable to
experience." -- Edward Gibbon, 'Decline and Fall of the Roman Empire'
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