[PDF][PDF] Survey of biometric pattern recognition via machine learning techniques

N Ortiz, RD Hernández, R Jimenez… - Contemporary …, 2018 - m-hikari.com
Biometrics, as a computer science field, can be understood as the discipline that study how
to generate computer models of the physical (eg hand geometry, fingerprints, iris and so on) …

Model-based distributed node clustering and multi-speaker speech presence probability estimation in wireless acoustic sensor networks

Y Zhao, JK Nielsen, J Chen… - The Journal of the …, 2020 - pubs.aip.org
The knowledge of speech presence probability (SPP) plays an essential role in noise
estimation and speech enhancement. Single channel SPP estimation and centralized multi …

Estimation of microphone clusters in acoustic sensor networks using unsupervised federated learning

A Nelus, R Glitza, R Martin - ICASSP 2021-2021 IEEE …, 2021 - ieeexplore.ieee.org
In this paper we present a privacy-aware method for estimating source-dominated
microphone clusters in the context of acoustic sensor networks (ASNs). The approach is …

Clustering-based Wake Word Detection in Privacy-aware Acoustic Sensor Networks

T Koppelmann, L Becker, A Nelus, R Glitza… - 2022 - publications.cispa.de
This work investigates privacy-aware collaborative wake word detection (WWD) in acoustic
sensor networks. To meet state-of-the-art privacy constraints, the proposed WWD scheme is …

Unsupervised clustered federated learning in complex multi-source acoustic environments

A Nelus, R Glitza, R Martin - 2021 29th European Signal …, 2021 - ieeexplore.ieee.org
In this paper we introduce a realistic and challenging, multi-source and multi-room acoustic
environment and an improved algorithm for the estimation of source-dominated microphone …

Accelerated unsupervised clustering in acoustic sensor networks using federated learning and a variational autoencoder

L Becker, A Nelus, R Glitza… - … International Workshop on …, 2022 - ieeexplore.ieee.org
In this paper we present an accelerated algorithm for clustering source-dominated
microphones in acoustic sensor networks. Predicated on privacy-preserving unsupervised …

Robust distributed multi-speaker voice activity detection using stability selection for sparse non-negative feature extraction

LK Hamaidi, M Muma, AM Zoubir - 2017 25th European signal …, 2017 - ieeexplore.ieee.org
In this paper, we propose a robust multi-speaker voice activity detection approach for
wireless acoustic sensor networks (WASN). Each node of the WASN receives a mixture of …

A coherence-based clustering method for multichannel speech enhancement in wireless acoustic sensor networks

AJ Muñoz-Montoro, P Vera-Candeas… - 2021 29th European …, 2021 - ieeexplore.ieee.org
Speech enhancement constitutes a great challenge in unknown noisy environments. Many
studies have addressed this problem for both single-channel and centralized multichannel …

Determining the dimension and structure of the subspace correlated across multiple data sets

T Hasija, T Marrinan, C Lameiro, PJ Schreier - Signal Processing, 2020 - Elsevier
Detecting the components common or correlated across multiple data sets is challenging
due to a large number of possible correlation structures among the components. Even more …

Source enumeration and robust voice activity detection in wireless acoustic sensor networks

T Hasija, M Gölz, M Muma, PJ Schreier… - 2019 53rd Asilomar …, 2019 - ieeexplore.ieee.org
We propose a robust technique for multi-speaker voice activity detection and source
enumeration in wireless acoustic sensor networks (WASN). The proposed technique first …