37 search results - page 2 / 8 » Hierarchical watermarking for secure image authentication wi... |
ICIP
2006
IEEE
14 years 7 months ago
2006
IEEE
Abstract-- This paper presents an authentication watermarking method which can localize the tampering regions in fine granularity. Unlike the previous block-wise Tampering-Localiza...
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...
VIP
2001
13 years 6 months ago
2001
The demand of security is getting higher in these days due to easy reproduction of digitally created multimedia data. Digital watermark is the emerging technique to embed secret i...
ICIP
2004
IEEE
14 years 6 months ago
2004
IEEE
Authentication watermarking is the process that inserts hidden data into an object (image) in order to detect any fraudulent alteration perpetrated by a malicious hacker. In the l...
CORR
2010
Springer
13 years 4 months ago
2010
Springer
-- Digital Watermarking is used for copyright protection and authentication. In the proposed system, a Dual Watermarking Scheme based on DWT-SVD with chaos encryption algorithm, wi...