63 search results - page 4 / 13 » A new spatial perceptual mask for image watermarking |
CCIW
2009
Springer
14 years 2 months ago
2009
Springer
CGF
2002
13 years 7 months ago
2002
Texture mapping has become indispensable in image synthesis as an inexpensive source of rich visual detail. Less obvious, but just as useful, is its ability to mask image errors d...
ICMCS
2006
IEEE
14 years 1 months ago
2006
IEEE
In this paper, a new watermarking scheme in the joint timefrequency domain is introduced. Wigner distribution is used to transform an image into the spatial-spectral domain. The p...
IH
2004
Springer
14 years 23 days ago
2004
Springer
A new method improving watermark robustness against both global and local geometrical distortions is presented in this article. The proposed approach is based on a self-reference c...
SIGGRAPH
1999
ACM
13 years 11 months ago
1999
ACM
We introduce a new concept for accelerating realistic image synthesis algorithms. At the core of this procedure is a novel physical error metric that correctly predicts the percep...