37 search results - page 4 / 8 » Hierarchical watermarking for secure image authentication wi... |
ICIP
2005
IEEE
14 years 9 months ago
2005
IEEE
We introduce a set theoretic framework for watermarking and illustrate its effectiveness by designing a hierarchical semi-fragile watermark that is tolerant to compression and all...
WISA
2007
Springer
14 years 1 months ago
2007
Springer
Watermark resistance to both geometric attacks and lossy compressions is a fundamental issue in the image watermarking community. In this paper, we propose a DWT (Discrete Wavelet ...
ICIP
2000
IEEE
14 years 9 months ago
2000
IEEE
Digital Watermarking is seen as a viable solution to authentication of multimedia data and hence its security, especially in a networked environment. In this paper we present a ne...
IEEEMSP
2002
IEEE
14 years 14 days ago
2002
IEEE
—In [1, 2, 3], we have introduced a robust and secure digital signature solution for multimedia content authentication, by integrating content feature extraction, error correctio...
IJIT
2004
13 years 9 months ago
2004
In this paper we investigate the watermarking authentication when applied to medical imagery field. We first give an overview of watermarking technology by paying attention to frag...