474 search results - page 38 / 95 » Region-Based Watermarking for Images |
ICIP
2001
IEEE
14 years 11 months ago
2001
IEEE
In this paper we propose a new watermarking technique where the watermark is embedded according to two keys. The first key is used to embed a code bit in a block of pixels. The se...
IWDW
2005
Springer
14 years 3 months ago
2005
Springer
Digital watermarking studies have always been driven by the improvement of robustness. Most of articles of this field deal with this criterion, presenting more and more impressive...
ICISS
2009
Springer
14 years 2 months ago
2009
Springer
In this paper we introduce a distortion free watermarking e for relational databases based on the Abstract Interpretation framework. The watermarking technique is partition based. ...
IWDW
2009
Springer
14 years 2 months ago
2009
Springer
This paper deals with the improvement of the Dirty Paper Trellis Code (DPTC) watermarking algorithm. This watermarking algorithm is known to be one of the best among the high rate ...
SSWMC
2004
13 years 11 months ago
2004
Digital watermarking is envisaged as a potential technology for copyright protection and manipulation recognition. A key issue in the usage of robust watermarking is the evaluatio...