375 search results - page 56 / 75 » On the security of an image encryption method |
WWW
2009
ACM
14 years 8 months ago
2009
ACM
Image spam is a new obfuscating method which spammers invented to more effectively bypass conventional text based spam filters. In this paper, we extract local invariant features ...
VIP
2001
13 years 8 months ago
2001
The demand of security is getting higher in these days due to easy reproduction of digitally created multimedia data. Digital watermark is the emerging technique to embed secret i...
ICIP
2009
IEEE
14 years 8 months ago
2009
IEEE
Predicting the age of a person through face image analysis holds the potential to drive an extensive array of real world applications from human computer interaction and security ...
APCCAS
2002
IEEE
14 years 11 days ago
2002
IEEE
In this paper, we develop a robust bit-plane watermarking technique based on zerotree coding. A robust watermark is an imperceptible but indelible code that can be used for owners...
ICMCS
2006
IEEE
14 years 1 months ago
2006
IEEE
We present a new scheme for digital watermarking and secure copyright protection of digital images using nonnegative matrix factorization and singular value decomposition approach...