Blind Capon Beamformer Based on Independent Component Extraction: Single-Parameter Algorithm

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24220%2F25%3A00013232" target="_blank" >RIV/46747885:24220/25:00013232 - isvavai.cz</a>

Výsledek na webu

<a href="https://asap.ite.tul.cz/wp-content/uploads/sites/3/2025/02/IEEE_SigProc_Letters__Blind_Capon.pdf" target="_blank" >https://asap.ite.tul.cz/wp-content/uploads/sites/3/2025/02/IEEE_SigProc_Letters__Blind_Capon.pdf</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1109/LSP.2025.3538261" target="_blank" >10.1109/LSP.2025.3538261</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Blind Capon Beamformer Based on Independent Component Extraction: Single-Parameter Algorithm

Popis výsledku v původním jazyce

We consider a phase-shift mixing model for linear sensor arrays in the context of blind source extraction. We derive a blind Capon beamformer that seeks the direction where the output is independent of the other signals in the mixture. The algorithm is based on Independent Component Extraction and imposes an orthogonal constraint, thanks to which it optimizes only one real-valued parameter related to the angle of arrival. The Cramer-Rao lower bound for the mean interference-to-signal ratio is derived. The algorithm and the bound are compared with conventional blind and direction-of-arrival estimation+beamforming methods, showing improvements in terms of extraction accuracy. An application is demonstrated in frequencydomain speaker extraction in a low-reverberation room.

Název v anglickém jazyce

Blind Capon Beamformer Based on Independent Component Extraction: Single-Parameter Algorithm

Popis výsledku anglicky

We consider a phase-shift mixing model for linear sensor arrays in the context of blind source extraction. We derive a blind Capon beamformer that seeks the direction where the output is independent of the other signals in the mixture. The algorithm is based on Independent Component Extraction and imposes an orthogonal constraint, thanks to which it optimizes only one real-valued parameter related to the angle of arrival. The Cramer-Rao lower bound for the mean interference-to-signal ratio is derived. The algorithm and the bound are compared with conventional blind and direction-of-arrival estimation+beamforming methods, showing improvements in terms of extraction accuracy. An application is demonstrated in frequencydomain speaker extraction in a low-reverberation room.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20201 - Electrical and electronic engineering

Projekt

—

Návaznosti

V - Vyzkumna aktivita podporovana z jinych verejnych zdroju

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

IEEE Signal Processing Letters>

ISSN

1070-9908

e-ISSN

—

Svazek periodika

32

Číslo periodika v rámci svazku

FEB

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

5

Strana od-do

801-805

Kód UT WoS článku

001425521600001

EID výsledku v databázi Scopus

2-s2.0-85217904489