23 search results - page 1 / 5 » Removable visible image watermarking algorithm in the discre... |
JEI
2008
13 years 2 months ago
2008
Abstract. A removable visible watermarking scheme, which operates in the discrete cosine transform (DCT) domain, is proposed for combating copyright piracy. First, the original wat...
IEEEMSP
2002
IEEE
13 years 9 months ago
2002
IEEE
—This paper investigates the feasibility of watermark embedding in the discrete cosine transform (DCT) domain for binary images. Watermark embedding is known difficult for binar...
ICIP
2002
IEEE
14 years 6 months ago
2002
IEEE
Geometric attacks are among the most challenging problems in present day watermarking. Such attacks are very simple to implement yet they can defeat most of the existing watermark...
ICBA
2004
Springer
13 years 9 months ago
2004
Springer
A MPEG-4 compressed domain video watermarking method is proposed and its performance is studied at video bit rates ranging from 64 Kb/s to 900 Kb/s. The watermark is inserted by mo...
ICIP
2001
IEEE
14 years 5 months ago
2001
IEEE
Coding at the sample level in still image watermarking takes advantage of avoiding a non-optimum initial diversity stage, used in many watermarking systems for tailoring Gaussian ...