172 search results - page 4 / 35 » Watermarking with knowledge of image database |
JCP
2007
13 years 7 months ago
2007
— Integrity of digital documents is a very important issue if they are to be legally binding. Common solutions, like digital signatures or message authentication codes, are based...
ICIP
2000
IEEE
14 years 9 months ago
2000
IEEE
Media hashing is an alternative to achieve many applications previously accomplished with watermarking. The major disadvantage of the existing media hashing technologies is their ...
DAGM
1999
Springer
13 years 12 months ago
1999
Springer
Both, the number and the size of spatial databases, such as geographic or medical databases, are rapidly growing because of the large amount of data obtained from satellite images,...
PCM
2005
Springer
14 years 1 months ago
2005
Springer
In this paper, we propose a methodology for embedding watermark image data into color images. At the transmitter, the signature image is encoded by a multiple description encoder. ...
ICSNW
2004
Springer
14 years 28 days ago
2004
Springer
Knowledge Sifter is a scaleable agent-based system that supports access to heterogeneous information sources such as the Web, open-source repositories, XML-databases and the emergi...