Secured signal modification and verification with privacy control
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 3, 2001
Grant Date -
N/A
app pub date -
Apr 13, 1998
filing date -
Apr 13, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A watermarking scheme which allows the watermarked image to be authenticated by an authentication agent without revealing the human-readable content of the image. There is disclosed an approach which combines privacy control with watermarking and authentication mechanisms. The watermark can be made to be imperceptible to humans. Public key cryptography allows the authentication agent to authenticate without being able to watermark an image.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully