37 search results - page 7 / 8 » Hierarchical watermarking for secure image authentication wi... |
JMM2
2006
13 years 6 months ago
2006
In image authentication research, a common approach is to divide a given image into a number of smaller blocks, and embed a fragile watermark into each block. The modifications can...
MM
2010
ACM
13 years 6 months ago
2010
ACM
Many content-based retrieval systems (CBIRS) describe images using the SIFT local features because of their very robust recognition capabilities. While SIFT features proved to cop...
ICMCS
2007
IEEE
14 years 17 days ago
2007
IEEE
EROS is the largest database in the world of high resolution art pictures. The TSAR project is designed to open it in a secure, efficient and user-friendly way that involves cryp...
ISCC
2002
IEEE
13 years 11 months ago
2002
IEEE
Mobile ad hoc networking offers convenient infrastructureless communication over the shared wireless channel. However, the nature of ad hoc networks makes them vulnerable to secur...
ICDCS
1996
IEEE
13 years 10 months ago
1996
IEEE
Mobile hosts in a wireless network can move from one location to another while communicating with other hosts. A challenge is to provide seamless network access for mobile hosts a...