72 search results - page 3 / 15 » A DCT Domain Visible Watermarking Technique for Images |
ISW
2000
Springer
13 years 8 months ago
2000
Springer
Generally, low frequency domain may be useful to embed a watermark in an image. However, if a watermark is embedded into low frequency components, blocking effects may occur in the...
ICIP
2002
IEEE
14 years 6 months ago
2002
IEEE
Most of the watermarking schemes that have been proposed until now employ a correlator in the detection stage. The current paper proposes a new detector scheme that can be applied...
ICIP
2001
IEEE
14 years 6 months ago
2001
IEEE
A drawback of most watermarking techniques is the need for some additional information in order to retrieve the watermark. Additionally, the robustness of the watermark decreases ...
COMSWARE
2008
IEEE
13 years 11 months ago
2008
IEEE
Some works are reported in the frequency domain watermarking using Single Value Decomposition (SVD). The two most commonly used methods are based on DCT-SVD and DWTSVD. The commonl...
IWDW
2005
Springer
13 years 10 months ago
2005
Springer
In this paper, we present a watermarking based approach, and its implementation, for mitigating phishing attacks - a form of web based identity theft. ViWiD is an integrity check m...