170 search results - page 4 / 34 » A dual watermarking technique for images |
ICIP
2005
IEEE
14 years 7 months ago
2005
IEEE
We present an asymmetric watermarking method for copyright protection that uses different matrix operations to embed and extract a watermark. It allows for the public release of a...
CIT
2004
Springer
13 years 11 months ago
2004
Springer
Abstract. Both encryption and digital watermarking techniques need to be incorporated in a digital rights management framework to address different aspects of content management. W...
WISA
2007
Springer
14 years 9 days ago
2007
Springer
Watermark resistance to both geometric attacks and lossy compressions is a fundamental issue in the image watermarking community. In this paper, we propose a DWT (Discrete Wavelet ...
JEI
2006
13 years 6 months ago
2006
For copyright protection, the robustness of a watermarking scheme against various attacks is an essential requirement. Many proposed robust watermarking schemes may achieve good r...
ICMCS
2010
IEEE
13 years 4 months ago
2010
IEEE
In digital rights management (DRM) systems, digital media is often distributed by multiple levels of distributors in a compressed and encrypted format. The distributors in the cha...