474 search results - page 54 / 95 » Region-Based Watermarking for Images |
ICIP
2005
IEEE
14 years 11 months ago
2005
IEEE
An algorithm is presented which implements image watermarking in the domain of an overcomplete, or redundant, wavelet transform. This algorithm expands on a previous method which ...
DICTA
2003
13 years 11 months ago
2003
Imperfect transmission of block-coded images often causes lost blocks. These blocks may contain very important information of image. In this paper a new error concealment scheme is...
IWDW
2007
Springer
14 years 4 months ago
2007
Springer
Abstract. In this paper, we propose a practical real-time video watermarking scheme for downscaling attack. We embed watermark into an arbitrary size of a host video and extract it...
MIS
1999
Springer
14 years 2 months ago
1999
Springer
A central task in multimedia systems is image management (storage and retrieval). As information is disseminated across vast networks, such as the Internet, methods of locating au...
IEEEMSP
2002
IEEE
14 years 2 months ago
2002
IEEE
—In [1, 2, 3], we have introduced a robust and secure digital signature solution for multimedia content authentication, by integrating content feature extraction, error correctio...