170 search results - page 2 / 34 » A dual watermarking technique for images |
ISCAS
2002
IEEE
13 years 9 months ago
2002
IEEE
This paper aims to design robust correlation-based watermarking methods for images. We rst present a model of watermark embedding and extracting processes and carry out their ana...
ISCAS
2003
IEEE
13 years 10 months ago
2003
IEEE
We propose a blind watermarking technique to embed multiple watermarks simultaneously. It allows the use of correlated key to embed multiple watermarks. A dual-key system is used ...
ICIP
2002
IEEE
14 years 6 months ago
2002
IEEE
We proposed a blind watermarking technique to embed the watermark in JPEG compressed domain. Low frequency DCT coefficients are extracted to form an M-dimensional vector. Watermar...
JEI
2002
13 years 4 months ago
2002
The recent proliferation of digital multimedia content has raised concerns about authentication mechanisms for multimedia data. A number of authentication techniques based on digi...
ICIP
2001
IEEE
14 years 6 months ago
2001
IEEE
In this paper we introduce the idea of using Computer Vision techniques for improving and enhancing watermarking capabilities. Specifically, we incorporate Geometric Hashing techn...