45 search results - page 6 / 9 » Image Authentication Using Hierarchical Semi-Fragile Waterma... |
ICIP
2005
IEEE
14 years 7 months ago
2005
IEEE
An authentication watermarking technique (AWT) inserts hidden data into an image in order to detect any accidental or malicious alteration to the image. AWT usually computes, usin...
JEI
2007
13 years 5 months ago
2007
In this work, we propose a novel fragile watermarking scheme in wavelet transform domain, which is sensitive to all kinds of manipulations and has the ability to localize the tamp...
ICIAR
2004
Springer
13 years 11 months ago
2004
Springer
In this paper, a new block-based image-dependent watermarking technique is proposed. The proposed technique utilizes the correlation coefficient statistic to produce a short and un...
IJIT
2004
13 years 7 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...
ARTCOM
2009
IEEE
13 years 11 months ago
2009
IEEE
Nowadays, the transmission of digitized medical information has become very convenient due to the generality of Internet. Internet has created the biggest benefit to achieve the tr...