560 search results - page 53 / 112 » Robust Mesh Watermarking |
ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
This paper investigates the operations of the wavelet tree based quantization and proposes a constrained wavelet tree quantization for image watermarking. The wavelet coefficients ...
JDCTA
2010
13 years 4 months ago
2010
Perceptual transparency and robustness are conflicting requirements. To ensure the security of the watermarkhow to choose the embedding position and intensity is a difficult probl...
3DOR
2008
14 years 11 days ago
2008
Mesh analysis and clustering have became important issues in order to improve the efficiency of common processing operations like compression, watermarking or simplification. In t...
IH
2005
Springer
14 years 3 months ago
2005
Springer
We examine the problem of watermarking schemes robust against geometric distortions from a complexity theoretic point of view. The main results presented are polynomial time reduct...
ECMAST
1999
Springer
14 years 2 months ago
1999
Springer
This paper presents the constraints involved by MPEG-4 to copyright protection systems based upon watermarking technology. It proposes also an assessment methodology in order to ev...