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 10 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...