7 search results - page 1 / 2 » Hierarchical watermarking depending on local constraints |
ICIP
2001
IEEE
14 years 6 months 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
14 years 6 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...
ACCV
2007
Springer
13 years 10 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
13 years 10 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
11 years 6 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...