Double Nonstationarity: Blind Extraction of Independent Nonstationary Vector/Component from Nonstationary Mixtures -- Algorithms

no code implementations • 11 Apr 2022 • Zbyněk Koldovský, Václav Kautský, Petr Tichavský

In this article, nonstationary mixing and source models are combined for developing new fast and accurate algorithms for Independent Component or Vector Extraction (ICE/IVE), one of which stands for a new extension of the well-known FastICA.

Dynamic Independent Component/Vector Analysis: Time-Variant Linear Mixtures Separable by Time-Invariant Beamformers

no code implementations • 22 Jul 2020 • Zbyněk Koldovský, Václav Kautský, Petr Tichavský

The algorithms are derived within a unified framework so that they are applicable in the real-valued as well as complex-valued domains, and jointly to several mixtures, similar to Independent Vector Analysis.

On tensor rank of conditional probability tables in Bayesian networks

no code implementations • 22 Sep 2014 • Jiří Vomlel, Petr Tichavský

A difficult task in modeling with Bayesian networks is the elicitation of numerical parameters of Bayesian networks.