7 search results - page 1 / 2 » Hierarchical watermarking depending on local constraints |
ICIP
2001
IEEE
15 years 23 days ago
2001
IEEE
In this paper we propose a new watermarking technique where the watermark is embedded according to two keys. The first key is used to embed a code bit in a block of pixels. The se...
ICIP
2005
IEEE
15 years 25 days 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...
ACCV
2007
Springer
14 years 5 months ago
2007
Springer
High-capacity image watermarking scheme aims at maximize bit rate of hiding information, neither eliciting perceptible image distortion nor facilitating special watermark attack. T...
ICAPR
2005
Springer
14 years 4 months ago
2005
Springer
Abstract. This paper addresses the clustering problem of hidden dynamical systems behind observed multivariate sequences by assuming an interval-based temporal structure in the seq...
SDM
2012
SIAM
12 years 1 months ago
2012
SIAM
Objects linking with many other objects in an information network may imply various semantic relationships. Uncovering such knowledge is essential for role discovery, data cleanin...