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» Analysis of Multivariate Hash Functions
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CSDA
2007
124views more  CSDA 2007»
13 years 9 months ago
Wavelet based time-varying vector autoregressive modelling
Vector autoregressive (VAR) modelling is one of the most popular approaches in multivariate time series analysis. The parameters interpretation is simple, and provide an intuitive...
João Ricardo Sato, Pedro Alberto Morettin, ...
ICASSP
2011
IEEE
13 years 1 months ago
Sparse graphical modeling of piecewise-stationary time series
Graphical models are useful for capturing interdependencies of statistical variables in various fields. Estimating parameters describing sparse graphical models of stationary mul...
Daniele Angelosante, Georgios B. Giannakis
FSS
2008
130views more  FSS 2008»
13 years 9 months ago
A fuzzy k-partitions model for categorical data and its comparison to the GoM model
The grade of membership (GoM) model uses fuzzy sets as memberships of each individual to extreme profiles (or classes) on the likelihood function of multivariate multinomial distr...
Miin-Shen Yang, Yu-Hsuan Chiang, Chiu-Chi Chen, Ch...
ICIAR
2004
Springer
14 years 3 months ago
A Secure and Localizing Watermarking Technique for Image Authentication
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...
Abdelkader H. Ouda, Mahmoud R. El-Sakka
EUC
2007
Springer
14 years 1 months ago
An Efficient Authentication Protocol for RFID Systems Resistant to Active Attacks
Traditional cryptographic primitives are not supported on low-cost RFID tags since, at most, 4K gates can be devoted to securityrelated tasks. Despite this, there are a vast number...
Pedro Peris-Lopez, Julio César Herná...