Feature extraction of galvanic skin responses by nonnegative sparse deconvolution

F Hernando-Gallego, D Luengo… - IEEE journal of …, 2017 - ieeexplore.ieee.org
Wearable sensors are increasingly taking part in daily activities, not only because of the
recent society health concern, but also due to their relevance in the medical industry. In this …

Adaptive Trend Filtering for ECG Denoising and Delineation

T Trigano, S Talala, D Luengo - IEEE Journal of Biomedical …, 2023 - ieeexplore.ieee.org
Standard recordings of electrocardiograhic signals are contaminated by a large variety of
noises and interferences, which impair their analysis and the further related diagnosis. In …

[HTML][HTML] Intracardiac ECG pulse localization using overlapping block sparse reconstruction

T Trigano, D Luengo - Biomedical Signal Processing and Control, 2023 - Elsevier
The processing and analysis of multichannel signals which exhibit some synchronicity is of
critical importance in biomedical signal processing. Though sparse reconstruction of such …

An efficient method to learn overcomplete multi-scale dictionaries of ECG signals

D Luengo, D Meltzer, T Trigano - Applied Sciences, 2018 - mdpi.com
The electrocardiogram (ECG) was the first biomedical signal for which digital signal
processing techniques were extensively applied. By its own nature, the ECG is typically a …

CoSA: An accelerated ISTA algorithm for dictionaries based on translated waveforms

T Trigano, I Shevtsov, D Luengo - Signal Processing, 2017 - Elsevier
The use of compressive sensing techniques has become predominant in signal processing
applications when dealing with sparse signals. Theoretical results on these tools involve …

Blind analysis of atrial fibrillation electrograms: a sparsity-aware formulation

D Luengo, S Monzón, T Trigano, J Vía… - Integrated …, 2015 - content.iospress.com
The problem of blind sparse analysis of electrogram (EGM) signals under atrial fibrillation
(AF) conditions is considered in this paper. A mathematical model for the observed signals …

Optimised two‐dimensional orthogonal matching pursuit algorithm via singular value decomposition

C Zhang, Q Chen, M Wang, S Wei - IET Signal Processing, 2020 - Wiley Online Library
The reconstruction algorithm is one of the core issues in applying compressed sensing
theory to practical applications. Two‐dimensional orthogonal matching pursuit (2DOMP) …

Grouped sparsity algorithm for multichannel intracardiac ECG synchronization

T Trigano, V Kolesnikov, D Luengo… - 2014 22nd …, 2014 - ieeexplore.ieee.org
In this paper, a new method is presented to ensure automatic synchronization of intracardiac
ECG data, yielding a three-stage algorithm. We first compute a robust estimate of the …

Sparse ECG representation with a multi-scale dictionary derived from real-world signals

D Luengo, D Meltzer, T Trigano - 2018 41st International …, 2018 - ieeexplore.ieee.org
The electrocardiogram (ECG) was the first biomedical signal where digital signal processing
techniques were extensively applied. By its own nature, the ECG is typically a sparse signal …

Efficient iteratively reweighted lasso algorithm for cross-products penalized sparse solutions

D Luengo, J Vía, T Trigano - 2020 28th European Signal …, 2021 - ieeexplore.ieee.org
In this paper, we describe an efficient iterative algorithm for finding sparse solutions to a
linear system. Apart from the well-known L 1 norm regularization, we introduce an additional …