Enhanced Solutions for the Block-Term Decomposition in Rank- Terms

L Khamidullina, G Seidl, IA Podkurkov… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
The block-term decompositions (BTD) represent tensors as a linear combination of low
multilinear rank terms and can be explicitly related to the Canonical Polyadic decomposition …

Alternating group lasso for block-term tensor decomposition and application to ECG source separation

JH de Morais Goulart, PMR de Oliveira… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
In some applications, blind source separation can be performed by computing an
approximate block-term tensor decomposition (BTD), under much milder constraints than …

Parameter estimation in block term decomposition for noninvasive atrial fibrillation analysis

V Zarzoso - 2017 IEEE 7th International Workshop on …, 2017 - ieeexplore.ieee.org
Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia encountered in
clinical practice. Recently, a tensor decomposition approach has been put forward for …

Block term decomposition of ECG recordings for atrial fibrillation analysis: Temporal and inter-patient variability

PMR de Oliveira, V Zarzoso - Journal of Communication and …, 2019 - jcis.emnuvens.com.br
Responsible for 25% of strokes and 1/3 of hospitalizations due to cardiac related
disturbances, atrial fibrillation (AF) is the most common sustained cardiac arrhythmia in …

Source analysis and selection using block term decomposition in atrial fibrillation

PMR de Oliveira, V Zarzoso - … 14th International Conference, LVA/ICA 2018 …, 2018 - Springer
Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia in clinical practice,
and is becoming a major public health concern. To better understand the mechanisms of this …

Enhanced block term decomposition for atrial activity extraction in atrial fibrillation ECG

LN Ribeiro, ALF de Almeida… - 2016 IEEE Sensor Array …, 2016 - ieeexplore.ieee.org
Atrial fibrillation (AF) is the most prevalent sustained cardiac arrhythmia but is still
considered a challenging research subject since its electrophysiological mechanisms are …

Temporal stability of block term decomposition in noninvasive atrial fibrillation analysis

PMR de Oliveira, V Zarzoso - 2018 52nd Asilomar Conference …, 2018 - ieeexplore.ieee.org
Considered as the last great frontier of cardiac electrophysiology, atrial fibrillation (AF) is the
most common sustained cardiac arrhythmia in clinical practice. The mechanisms behind this …

Tensor-based detection of paroxysmal and persistent atrial fibrillation from multi-channel ecg

H Moghaddasi, AJ van der Veen… - 2020 28th European …, 2021 - ieeexplore.ieee.org
Atrial fibrillation (AF) is the most common arrhythmia in the heart. Two main types of AF are
defined as paroxysmal and persistent. In this paper, we present a method to discriminate …

[PDF][PDF] The power of tensor decompositions in biomedical applications

B Hunyadi, S Van Huffel, M De Vos - 2016 - lirias.kuleuven.be
Appropriately representating data is crucial for gaining insight and effectively approaching
any given problem at hand. We will illustrate in this chapter the use of a particular …

Löwner-based tensor decomposition for blind source separation in atrial fibrillation ECGs

PMR de Oliveira, V Zarzoso - 2019 27th European Signal …, 2019 - ieeexplore.ieee.org
The estimation of the atrial activity (AA) signal in electrocardiogram (ECG) recordings is an
important step in the noninvasive analysis of atrial fibrillation (AF), the most common …