Images get distortion-proof crypto marks

Thursday, 24 October 2002, 11:20 AM EST

A team of scientists from Xerox and the University of Rochester said that the technique, called reversible data hiding, could be used in situations that require proof that an image has not been altered.

Its uses could range from sensitive military and medical diagnostic images to legal documents and photographs of crime scenes. The technique could also be used to encode information within the image itself for cataloging and retrieving from databases.

Concerns about the authenticity of Web-based tickets, receipts and signed contracts have hampered the development of some e-commerce applications. While digital watermarking offers protection against tampering in most situations, it can also irreversibly change the quality of an image.

[ Read more ]




Spotlight

Free security software identifies cloud vulnerabilities

Posted on 21 October 2104.  |  Designed for IT and security professionals, the service gives a view of the data exchanged with partner and cloud applications beyond the network firewall. Completely passive, it runs on non-production systems, and does not require firewall changes.


Weekly newsletter

Reading our newsletter every Monday will keep you up-to-date with security news.
  



Daily digest

Receive a daily digest of the latest security news.
  

DON'T
MISS

Tue, Oct 21st
    COPYRIGHT 1998-2014 BY HELP NET SECURITY.   // READ OUR PRIVACY POLICY // ABOUT US // ADVERTISE //