12 search results - page 2 / 3 » A hierarchical image authentication watermark with improved ... |
ICIAR
2004
Springer
13 years 10 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...
ICIP
2006
IEEE
14 years 6 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 4 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...
MMSEC
2006
ACM
13 years 10 months ago
2006
ACM
In this paper, we introduce to the special domain of image annotation watermarking, based on embedding of hierarchical data related to objects into user-selected areas on an image...
DAC
2004
ACM
14 years 5 months ago
2004
ACM
Digital watermarking is a process that embeds an imperceptible signature or watermark in a digital file containing audio, image, text or video data. The watermark is later used to...