375 search results - page 65 / 75 » On the security of an image encryption method |
ICIP
2004
IEEE
14 years 9 months ago
2004
IEEE
In this paper we suggest viewing images (as well as attacks on them) as a sequence of linear operators and propose novel hashing algorithms employing transforms that are based on ...
ICIP
2008
IEEE
14 years 9 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...
MMSEC
2004
ACM
14 years 24 days ago
2004
ACM
When a host image is watermarked multiple times by the same algorithm collisions can occur. This makes it difficult for an image to host multiple watermarks. But this hosting is n...
ICIP
2005
IEEE
14 years 9 months ago
2005
IEEE
In this paper, a multi-view face pose classification method is introduced. Each face region is normalized by two eye-centers and mouth center, and then multi-class classifiers are...
IGARSS
2009
13 years 5 months ago
2009
A problem when working with optical satellite or airborne images is the need to compensate for changes in the illumination conditions at the time of acquisition. This is particula...