32 search results - page 2 / 7 » Complexity-scalable compensation of geometrical distortions ... |
ICIP
2009
IEEE
13 years 3 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...
INFORMATICALT
2006
13 years 5 months ago
2006
In this paper, a digital watermarking algorithm for copyright protection based on the concept of embed digital watermark and modifying frequency coefficients in discrete wavelet tr...
ICMCS
2006
IEEE
13 years 11 months ago
2006
IEEE
In this paper, an affine invariant watermarking scheme, robust to geometric attacks, is proposed and applied to face regions. Initially, face regions are unsupervisedly extracted ...
ICIP
2002
IEEE
14 years 6 months ago
2002
IEEE
Geometric attacks are among the most challenging problems in present day watermarking. Such attacks are very simple to implement yet they can defeat most of the existing watermark...
TSMC
2010
12 years 12 months ago
2010
Feature-based image watermarking schemes, which aim to survive various geometric distortions, have attracted great attention in recent years. Existing schemes have shown robustness...