15 search results - page 2 / 3 » On the Intractability of Inverting Geometric Distortions in ... |
IJNSEC
2008
13 years 5 months ago
2008
This paper presents a new multi-band wavelet watermarking scheme. Compared with conventional watermarking schemes implemented in two-band wavelet domain, by incorporating the prin...
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...
JDCTA
2010
13 years 17 days ago
2010
As one of the crucial problems in watermarking, robustness against geometric distortion and JPEG compression becomes more than challenging and problematic. In this paper, a robust...
TSMC
2010
13 years 14 days 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...
ICIP
2002
IEEE
14 years 7 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...