1 code implementation • 12 Jul 2024 • Zbyněk Koldovský, Jiří Málek, Jaroslav Čmejla, Stephen O'Regan
Non-Gaussianity-based Independent Vector Extraction leads to the famous one-unit FastICA/FastIVA algorithm when the likelihood function is optimized using an approximate Newton-Raphson algorithm under the orthogonality constraint.
no code implementations • 4 Apr 2023 • Zbyněk Koldovský, Jaroslav Čmejla, Tülay Adalı, Stephen O'Regan
In this paper, we propose a mixing model for joint blind source extraction where the mixing model parameters are linked across the frequencies.
no code implementations • 2 Dec 2022 • Jaroslav Čmejla, Zbyněk Koldovský, Václav Kautský, Tülay Adalı
We derive a lower bound on the achievable mean interference-to-signal ratio (ISR) based on the Cram\'er-Rao theory.
no code implementations • 22 Oct 2019 • Zbyněk Koldovský, Václav Kautský, Tomáš Kounovský, Jaroslav Čmejla
A new algorithm for dynamic independent vector extraction is proposed.