33 search results - page 4 / 7 » Correlation Detection of Asymmetric Watermark |
IEEEIAS
2009
IEEE
14 years 1 months ago
2009
IEEE
: This paper proposes a new watermarking method for detecting image tampering. First, an authentication number is created using a pair of watermark pixels as the coefficients of a ...
PCM
2001
Springer
13 years 11 months ago
2001
Springer
In video communications over error introducing channels, error concealment techniques are widely applied in video decoder for good subjective images output. However, a damaged MB ...
ICIP
2002
IEEE
14 years 8 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...
SP
2006
IEEE
14 years 29 days ago
2006
IEEE
Timing-based active watermarking schemes are developed to trace back attackers through stepping stone connections or anonymizing networks. By slightly changing packet timing, thes...
IH
1998
Springer
13 years 11 months ago
1998
Springer
Theoretical modeling of watermarks allow prediction of the detector reliability and facilitates the development of more reliable systems. In particular, mathematical evaluation is ...