8644 search results - page 1603 / 1729 » On the Composition of Secure Systems |
ICIP
2008
IEEE
14 years 11 months ago
2008
IEEE
Halftone image watermarking techniques that allow automated extraction of the embedded watermark data are useful in a variety of document security and workflow applications. The p...
ICIP
2008
IEEE
14 years 11 months ago
2008
IEEE
Privacy protection of visual information is increasingly important as pervasive camera networks becomes more prevalent. The proposed scheme addresses the problem of preserving and...
ICDE
2009
IEEE
14 years 11 months ago
2009
IEEE
Location cloaking has been proposed and well studied to protect user privacy. It blurs the accurate user location (i.e., a point with coordinates) and replaces it with a well-shape...
ICIP
2003
IEEE
14 years 11 months ago
2003
IEEE
This paper considers the problem of encoding a secret binary image SI into n shares of meaningful halftone images within the scheme of visual cryptography (VC). Secret pixels enco...
ICPR
2004
IEEE
14 years 10 months ago
2004
IEEE
There is increasing interest in the development of reliable, rapid and non-intrusive security control systems. Among the many approaches, biometrics such as palmprints provide hig...