73 search results - page 5 / 15 » An improvement to a biometric.based multimedia content prote... |
MM
2004
ACM
14 years 28 days ago
2004
ACM
Security of multimedia files attracts more and more attention and many encryption methods have been proposed in literature. However most cryptographic systems deal with multimedia...
MMSEC
2004
ACM
14 years 28 days ago
2004
ACM
Protection of digital multimedia content has become an increasingly important issue for content owners and service providers. As watermarking is identified as a major technology t...
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...
ICIP
2003
IEEE
14 years 9 months ago
2003
IEEE
Orthogonal Frequency Division Multiplexing (OFDM) has been adopted in many broadband wireless communication standards. In OFDM systems, channel estimation is a crucial module in co...
SSWMC
2004
13 years 8 months ago
2004
Encryption and watermarking are complementary lines of defense in protecting multimedia content. Recent watermarking techniques have therefore been developed independent from encr...