474 search results - page 19 / 95 » Region-Based Watermarking for Images |
JEI
2006
13 years 10 months ago
2006
A robust, invisible watermarking scheme is proposed for digital images, where the watermark is embedded using the blockbased lapped orthogonal transform (LOT). The embedding proces...
WCE
2007
13 years 11 months ago
2007
—Digital watermarking is a technique for protecting intellectual property of digital information. However, when a work is created by multiple authors, digital watermarking may su...
ICIP
2002
IEEE
14 years 11 months ago
2002
IEEE
This paper extends our recent game-theoretic approach [1] to design and embed watermarks in Gaussian signals in the presence of an adversary. The detector solves a binary hypothes...
MICCAI
2009
Springer
14 years 11 months ago
2009
Springer
We present a novel fuzzy region-based hidden Markov model (frbHMM) for unsupervised partial-volume classification in brain magnetic resonance images (MRIs). The primary contributio...
IH
2004
Springer
14 years 3 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...