7 search results - page 1 / 2 » Multibit digital watermarking robust against local nonlinear... |
ICIP
2001
IEEE
14 years 5 months ago
2001
IEEE
This paper presents an efficient method for the estimation and recovering from nonlinear or local geometrical distortions, such as the random bending attack and restricted project...
ICIP
2009
IEEE
13 years 2 months ago
2009
IEEE
In this paper, we propose a blind watermark detection scheme which is robust against composite geometric distortions. The composite geometric distortions mean that an image or a v...
IH
2004
Springer
13 years 9 months 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...
MTA
2007
13 years 3 months ago
2007
This paper addresses a geometrically invariant watermarking method for digital images. Most previous watermarking algorithms perform weakly against geometric distortions, which des...
IH
2009
Springer
13 years 11 months ago
2009
Springer
Many illegal copies of digital movies by camcorder capture are found on the Internet or on the black market before their official release. Due to the angle of the camcorder relativ...