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ICA
2007
Springer
16 years 10 days ago
Optimization on the Orthogonal Group for Independent Component Analysis
Abstract. This paper derives a new algorithm that performs independent component analysis (ICA) by optimizing the contrast function of the RADICAL algorithm. The core idea of the p...
Michel Journée, Pierre-Antoine Absil, Rodol...
CORR
2007
Springer
114views Education» more  CORR 2007»
15 years 6 months ago
Fast Recursive Coding Based on Grouping of Symbols
— A novel fast recursive coding technique is proposed. It operates with only integer values not longer 8 bits and is multiplication free. Recursion the algorithm is based on indi...
Nikolay N. Ponomarenko, Vladimir V. Lukin, Karen O...
INFORMATICALT
2007
81views more  INFORMATICALT 2007»
15 years 6 months ago
Security Flaw in Simple Generalized Group-Oriented Cryptosystem Using ElGamal Cryptosystem
A generalized group-oriented cryptosystem (GGOC) based on ElGamal cryptosystem was proposed by Yang et al. in 2003. This study shows that if the authorized decryption sets of users...
Chuan-Ming Li, Tzonelih Hwang, Narn-Yih Lee
TCC
2007
Springer
145views Cryptology» more  TCC 2007»
16 years 8 days ago
(Password) Authenticated Key Establishment: From 2-Party to Group
Abstract. A protocol compiler is described, that transforms any provably secure authenticated 2-party key establishment into a provably secure authenticated group key establishment...
Michel Abdalla, Jens-Matthias Bohli, Maria Isabel ...
COLCOM
2007
IEEE
16 years 15 days ago
Videoconferencing design for remote groups
—Videoconferencing has emerged as a popular method of remote communication. The design of a videoconferencing environment strongly influences the communication efficiency and u...
Petr Slovák, Eva Hladká, Pavel Troub...