58 search results - page 3 / 12 » Geometrically robust image watermarking using star patterns |
JDCTA
2010
13 years 2 months ago
2010
As one of the crucial problems in watermarking, robustness against geometric distortion and JPEG compression becomes more than challenging and problematic. In this paper, a robust...
APCCAS
2002
IEEE
14 years 20 days ago
2002
IEEE
In this paper, we develop a robust bit-plane watermarking technique based on zerotree coding. A robust watermark is an imperceptible but indelible code that can be used for owners...
ISW
2000
Springer
13 years 11 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 9 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...
IEAAIE
2007
Springer
14 years 1 months ago
2007
Springer
With the exponential growth of digital materials in this age, the protection of Intellectual Property Right (IPR) becomes an important and urgent topic. In this paper, we propose a...