45 search results - page 2 / 9 » Image Authentication Using Hierarchical Semi-Fragile Waterma... |
CORR
2010
Springer
13 years 4 months ago
2010
Springer
-- Digital Watermarking is used for copyright protection and authentication. In the proposed system, a Dual Watermarking Scheme based on DWT-SVD with chaos encryption algorithm, wi...
MMSEC
2005
ACM
13 years 10 months ago
2005
ACM
Digital watermarking is a technology to hide information in digital media. We extend the digital watermarking technique Phasemark™, originally developed solely for image authent...
JEI
2002
13 years 4 months ago
2002
The recent proliferation of digital multimedia content has raised concerns about authentication mechanisms for multimedia data. A number of authentication techniques based on digi...
ICMCS
2005
IEEE
13 years 10 months ago
2005
IEEE
In a typical content and watermarking based image authentication approach, a feature is extracted from the given image, and then embedded back into the image using a watermarking ...
SIBGRAPI
2003
IEEE
13 years 9 months ago
2003
IEEE
Abstract. Authentication watermarking is a hidden data inserted into an image, in order to detect any alterations. It seems to be almost impossible to design a really secure authen...