Daniel Álvarez

Publication Activity (10 Years)

Years Active: 2006-2024
Publications (10 Years): 40

Top Topics

Spectral Analysis

Convolutional Neural Networks

Top Venues

Comput. Biol. Medicine

Biomed. Signal Process. Control.

Publications

Jorge Jiménez-García, María García, Gonzalo C. Gutiérrez-Tobal, Leila Kheirandish-Gozal, Fernando Vaquerizo-Villar, Daniel Álvarez, Félix del Campo, David Gozal, Roberto Hornero
An explainable deep-learning architecture for pediatric sleep apnea identification from overnight airflow and oximetry signals. Biomed. Signal Process. Control. 87 (Part B) (2024)
Aura Hernández-Sabaté, José Yauri, Pau Folch, Daniel Álvarez, Debora Gil
EEG Dataset Collection for Mental Workload Predictions in Flight-Deck Environment. Sensors 24 (4) (2024)
Fernando Vaquerizo-Villar, Gonzalo C. Gutiérrez-Tobal, Eva Calvo, Daniel Álvarez, Leila Kheirandish-Gozal, Félix del Campo, David Gozal, Roberto Hornero
An explainable deep-learning model to stage sleep states in children and propose novel EEG-related patterns in sleep apnea. Comput. Biol. Medicine 165 (2023)
Fernando Vaquerizo-Villar, Daniel Álvarez, Gonzalo C. Gutiérrez-Tobal, Félix del Campo, David Gozal, Leila Kheirandish-Gozal, Thomas Penzel, Roberto Hornero
A deep learning model based on the combination of convolutional and recurrent neural networks to enhance pulse oximetry ability to classify sleep stages in children with sleep apnea. EMBC (2023)
Adrián Martín-Montero, Pablo Armañac-Julián, Eduardo Gil, Leila Kheirandish-Gozal, Daniel Álvarez, Jesús Lázaro, Raquel Bailón, David Gozal, Pablo Laguna, Roberto Hornero, Gonzalo C. Gutiérrez-Tobal
Pediatric sleep apnea: Characterization of apneic events and sleep stages using heart rate variability. Comput. Biol. Medicine 154 (2023)
Jorge Jiménez-García, María García, Gonzalo C. Gutiérrez-Tobal, Leila Kheirandish-Gozal, Fernando Vaquerizo-Villar, Daniel Álvarez, Félix del Campo, David Gozal, Roberto Hornero
A 2D convolutional neural network to detect sleep apnea in children using airflow and oximetry. Comput. Biol. Medicine 147 (2022)
Gonzalo C. Gutiérrez-Tobal, Javier Gomez-Pilar, Leila Kheirandish-Gozal, Adrián Martín-Montero, Jesús Poza, Daniel Álvarez, Félix del Campo, David Gozal, Roberto Hornero
Slow EEG Oscillation to Characterize Pediatric Sleep Apnea and Associated Cognitive Impairments. EMBC (2022)
Verónica Barroso-García, Gonzalo C. Gutiérrez-Tobal, David Gozal, Fernando Vaquerizo-Villar, Daniel Álvarez, Félix del Campo, Leila Kheirandish-Gozal, Roberto Hornero
Wavelet Analysis of Overnight Airflow to Detect Obstructive Sleep Apnea in Children. Sensors 21 (4) (2021)
Jeremy Levy, Daniel Álvarez, Aviv A. Rosenberg, Alexandra Alexandrovich, Félix del Campo, Joachim A. Behar
Digital oximetry biomarkers for assessing respiratory function: standards of measurement, physiological interpretation, and clinical use. npj Digit. Medicine 4 (2021)
Fernando Vaquerizo-Villar, Daniel Álvarez, Leila Kheirandish-Gozal, Gonzalo C. Gutiérrez-Tobal, Verónica Barroso-García, Eduardo Santamaría-Vázquez, Félix del Campo, David Gozal, Roberto Hornero
A Convolutional Neural Network Architecture to Enhance Oximetry Ability to Diagnose Pediatric Obstructive Sleep Apnea. IEEE J. Biomed. Health Informatics 25 (8) (2021)
Gonzalo C. Gutiérrez-Tobal, Daniel Álvarez, Fernando Vaquerizo-Villar, Andrea Crespo, Leila Kheirandish-Gozal, David Gozal, Félix del Campo, Roberto Hornero
Ensemble-learning regression to estimate sleep apnea severity using at-home oximetry in adults. Appl. Soft Comput. 111 (2021)
Luciano Sánchez, Pablo Luque, Daniel Álvarez
Assessment of the running resistance of a diesel passenger train using evolutionary bilevel algorithms and operational data. Eng. Appl. Artif. Intell. 105 (2021)
Adrián Martín-Montero, Gonzalo C. Gutiérrez-Tobal, David Gozal, Verónica Barroso-García, Daniel Álvarez, Félix del Campo, Leila Kheirandish-Gozal, Roberto Hornero
Erratum: Martín-Montero et al. Bispectral Analysis of Heart Rate Variability to Characterize and Help Diagnose Pediatric Sleep Apnea. Entropy 2021, 23, 1016. Entropy 23 (11) (2021)
Adrián Martín-Montero, Gonzalo C. Gutiérrez-Tobal, David Gozal, Verónica Barroso-García, Daniel Álvarez, Félix del Campo, Leila Kheirandish-Gozal, Roberto Hornero
Bispectral Analysis of Heart Rate Variability to Characterize and Help Diagnose Pediatric Sleep Apnea. Entropy 23 (8) (2021)
Fernando Vaquerizo-Villar, Daniel Álvarez, Jan F. Kraemer, Niels Wessel, Gonzalo C. Gutiérrez-Tobal, Eva Calvo, Félix del Campo, Leila Kheirandish-Gozal, David Gozal, Thomas Penzel, Roberto Hornero
Automatic Sleep Staging in Children with Sleep Apnea using Photoplethysmography and Convolutional Neural Networks. EMBC (2021)
Verónica Barroso-García, Gonzalo C. Gutiérrez-Tobal, Leila Kheirandish-Gozal, Fernando Vaquerizo-Villar, Daniel Álvarez, Félix del Campo, David Gozal, Roberto Hornero
Bispectral analysis of overnight airflow to improve the pediatric sleep apnea diagnosis. Comput. Biol. Medicine 129 (2021)
Daniel Álvarez, C. Ainhoa Arroyo, Julio de Frutos, Andrea Crespo, Ana Cerezo-Hernández, Gonzalo C. Gutiérrez-Tobal, Fernando Vaquerizo-Villar, Verónica Barroso-García, Fernando Moreno, Tomás Ruiz, Roberto Hornero, Félix del Campo
Assessment of Nocturnal Autonomic Cardiac Imbalance in Positional Obstructive Sleep Apnea. A Multiscale Nonlinear Approach. Entropy 22 (12) (2020)
Verónica Barroso-García, Gonzalo C. Gutiérrez-Tobal, Leila Kheirandish-Gozal, Daniel Álvarez, Fernando Vaquerizo-Villar, Pablo Núñez, Félix del Campo, David Gozal, Roberto Hornero
Usefulness of recurrence plots from airflow recordings to aid in paediatric sleep apnoea diagnosis. Comput. Methods Programs Biomed. 183 (2020)
Fernando Vaquerizo-Villar, Daniel Álvarez, Leila Kheirandish-Gozal, Gonzalo C. Gutiérrez-Tobal, Javier Gomez-Pilar, Andrea Crespo, Félix del Campo, David Gozal, Roberto Hornero
Automatic Assessment of Pediatric Sleep Apnea Severity Using Overnight Oximetry and Convolutional Neural Networks. EMBC (2020)
Jeremy Levy, Daniel Álvarez, Félix del Campo, Joachim A. Behar
Machine learning for nocturnal diagnosis of chronic obstructive pulmonary disease using digital oximetry biomarkers. CoRR (2020)
Jorge Jiménez-García, Gonzalo C. Gutiérrez-Tobal, María García, Leila Kheirandish-Gozal, Adrián Martín-Montero, Daniel Álvarez, Félix del Campo, David Gozal, Roberto Hornero
Assessment of Airflow and Oximetry Signals to Detect Pediatric Sleep Apnea-Hypopnea Syndrome Using AdaBoost. Entropy 22 (6) (2020)
Verónica Barroso-García, Gonzalo C. Gutiérrez-Tobal, Leila Kheirandish-Gozal, Daniel Álvarez, Fernando Vaquerizo-Villar, Félix del Campo, David Gozal, Roberto Hornero
Usefulness of Spectral Analysis of Respiratory Rate Variability to Help in Pediatric Sleep Apnea-Hypopnea Syndrome Diagnosis. EMBC (2019)
Gonzalo C. Gutiérrez-Tobal, Daniel Álvarez, Andrea Crespo, Félix del Campo, Roberto Hornero
Evaluation of Machine-Learning Approaches to Estimate Sleep Apnea Severity From At-Home Oximetry Recordings. IEEE J. Biomed. Health Informatics 23 (2) (2019)
Daniel Álvarez, Ana Sánchez-Fernández, Ana M. Andrés-Blanco, Gonzalo C. Gutiérrez-Tobal, Fernando Vaquerizo-Villar, Verónica Barroso-García, Roberto Hornero, Félix del Campo
Influence of Chronic Obstructive Pulmonary Disease and Moderate-To-Severe Sleep Apnoea in Overnight Cardiac Autonomic Modulation: Time, Frequency and Non-Linear Analyses. Entropy 21 (4) (2019)
Theo Jepsen, Daniel Álvarez, Nate Foster, Changhoon Kim, Jeongkeun Lee, Masoud Moshref, Robert Soulé
Fast String Searching on PISA. SOSR (2019)
Fernando Vaquerizo-Villar, Daniel Álvarez, Leila Kheirandish-Gozal, Gonzalo C. Gutiérrez-Tobal, Verónica Barroso-García, Félix del Campo, David Gozal, Roberto Hornero
Convolutional Neural Networks to Detect Pediatric Apnea-Hypopnea Events from Oximetry. EMBC (2019)
Gonzalo C. Gutiérrez-Tobal, Leila Kheirandish-Gozal, Fernando Vaquerizo-Villar, Daniel Álvarez, Verónica Barroso-García, Andrea Crespo, Félix del Campo, David Gozal, Roberto Hornero
Bispectral Analysis to Enhance Oximetry as a Simplified Alternative for Pediatric Sleep Apnea Diagnosis. EMBC (2018)
Fernando Vaquerizo-Villar, Daniel Álvarez, Leila Kheirandish-Gozal, Gonzalo C. Gutiérrez-Tobal, Verónica Barroso-García, Andrea Crespo, Félix del Campo, David Gozal, Roberto Hornero
Improving the Diagnostic Ability of Oximetry Recordings in Pediatric Sleep Apnea-Hypopnea Syndrome by Means of Multi-Class AdaBoost. EMBC (2018)
Fernando Vaquerizo-Villar, Daniel Álvarez, Leila Kheirandish-Gozal, Gonzalo C. Gutiérrez-Tobal, Verónica Barroso-García, Andrea Crespo, Félix del Campo, David Gozal, Roberto Hornero
Utility of bispectrum in the screening of pediatric sleep apnea-hypopnea syndrome using oximetry recordings. Comput. Methods Programs Biomed. 156 (2018)
Andrea Crespo, Daniel Álvarez, Gonzalo C. Gutiérrez-Tobal, Fernando Vaquerizo-Villar, Verónica Barroso-García, María Luz Alonso Álvarez, Joaquín Terán-Santos, Roberto Hornero, Félix del Campo
Multiscale Entropy Analysis of Unattended Oximetric Recordings to Assist in the Screening of Paediatric Sleep Apnoea at Home. Entropy 19 (6) (2017)
Verónica Barroso-García, Gonzalo C. Gutiérrez-Tobal, Leila Kheirandish-Gozal, Daniel Álvarez, Fernando Vaquerizo-Villar, Andrea Crespo, Félix del Campo, David Gozal, Roberto Hornero
Irregularity and Variability Analysis of Airflow Recordings to Facilitate the Diagnosis of Paediatric Sleep Apnoea-Hypopnoea Syndrome. Entropy 19 (9) (2017)
Gonzalo C. Gutiérrez-Tobal, Julio de Frutos, Daniel Álvarez, Fernando Vaquerizo-Villar, Verónica Barroso-García, Andrea Crespo, Félix del Campo, Roberto Hornero
A Bayesian neural network approach to compare the spectral information from nasal pressure and thermistor airflow in the automatic sleep apnea severity estimation. EMBC (2017)
Fernando Vaquerizo-Villar, Daniel Álvarez, Gonzalo C. Gutiérrez-Tobal, Verónica Barroso-García, Leila Kheirandish-Gozal, Andrea Crespo, Félix del Campo, David Gozal, Roberto Hornero
Usefulness of discrete wavelet transform in the analysis of oximetry signals to assist in childhood sleep apnea-hypopnea syndrome diagnosis. EMBC (2017)
Gonzalo C. Gutiérrez-Tobal, Daniel Álvarez, Félix del Campo, Roberto Hornero
Utility of AdaBoost to Detect Sleep Apnea-Hypopnea Syndrome From Single-Channel Airflow. IEEE Trans. Biomed. Eng. 63 (3) (2016)
Javier Gomez-Pilar, Rebeca Corralejo, Luis F. Nicolás-Alonso, Daniel Álvarez, Roberto Hornero
Neurofeedback training with a motor imagery-based BCI: neurocognitive improvements and EEG changes in the elderly. Medical Biol. Eng. Comput. 54 (11) (2016)
Daniel Álvarez, Leila Kheirandish-Gozal, Gonzalo C. Gutiérrez-Tobal, Andrea Crespo, Mona F. Philby, Meelad Mohammadi, Félix del Campo, David Gozal, Roberto Hornero
Automated analysis of nocturnal oximetry as screening tool for childhood obstructive sleep apnea-hypopnea syndrome. EMBC (2015)
Luis F. Nicolás-Alonso, Rebeca Corralejo, Javier Gomez-Pilar, Daniel Álvarez, Roberto Hornero
Adaptive semi-supervised classification to reduce intersession non-stationarity in multiclass motor imagery-based brain-computer interfaces. Neurocomputing 159 (2015)
Gonzalo C. Gutiérrez-Tobal, Daniel Álvarez, Javier Gomez-Pilar, Félix del Campo, Roberto Hornero
Assessment of Time and Frequency Domain Entropies to Detect Sleep Apnoea in Heart Rate Variability Recordings from Men and Women. Entropy 17 (1) (2015)
Gonzalo C. Gutiérrez-Tobal, María Luz Alonso Álvarez, Daniel Álvarez, Félix del Campo, Joaquín Terán-Santos, Roberto Hornero
Diagnosis of pediatric obstructive sleep apnea: Preliminary findings using automatic analysis of airflow and oximetry recordings obtained at patients' home. Biomed. Signal Process. Control. 18 (2015)
Gonzalo C. Gutiérrez-Tobal, Leila Kheirandish-Gozal, Daniel Álvarez, Andrea Crespo, Mona F. Philby, Meelad Mohammadi, Félix del Campo, David Gozal, Roberto Hornero
Analysis and classification of oximetry recordings to predict obstructive sleep apnea severity in children. EMBC (2015)
Daniel Álvarez, Gonzalo C. Gutiérrez-Tobal, Maria L. Alonso, Joaquín Terán-Santos, Félix del Campo, Roberto Hornero
Statistical and nonlinear analysis of oximetry from respiratory polygraphy to assist in the diagnosis of Sleep Apnea in children. EMBC (2014)
Rebeca Corralejo, Luis F. Nicolás-Alonso, Daniel Álvarez, Roberto Hornero
A P300-based brain-computer interface aimed at operating electronic devices at home for severely disabled people. Medical Biol. Eng. Comput. 52 (10) (2014)
Javier Gomez-Pilar, Rebeca Corralejo, Luis F. Nicolás-Alonso, Daniel Álvarez, Roberto Hornero
Assessment of neurofeedback training by means of motor imagery based-BCI for cognitive rehabilitation. EMBC (2014)
Gonzalo C. Gutiérrez-Tobal, Daniel Álvarez, María Luz Alonso Álvarez, Joaquín Terán-Santos, Félix del Campo, Roberto Hornero
Exploring the spectral information of airflow recordings to help in pediatric Obstructive Sleep Apnea-Hypopnea Syndrome diagnosis. EMBC (2014)
Gonzalo C. Gutiérrez-Tobal, Daniel Álvarez, J. Víctor Marcos, Félix del Campo, Roberto Hornero
Pattern recognition in airflow recordings to assist in the sleep apnoea-hypopnoea syndrome diagnosis. Medical Biol. Eng. Comput. 51 (12) (2013)
Daniel Álvarez, Roberto Hornero, J. Víctor Marcos, Niels Wessel, Thomas Penzel, Martin Glos, Félix del Campo
Assessment of Feature Selection and Classification Approaches to Enhance Information from overnight oximetry in the Context of Apnea Diagnosis. Int. J. Neural Syst. 23 (5) (2013)
Gonzalo C. Gutiérrez-Tobal, Daniel Álvarez, Javier Gomez-Pilar, Félix del Campo, Roberto Hornero
Assessment of spectral bands of interest in airflow signal to assist in sleep apnea-hypopnea syndrome diagnosis. EMBC (2013)
J. Víctor Marcos, Roberto Hornero, Daniel Álvarez, Mateo Aboy, Félix del Campo
Automated Prediction of the Apnea-Hypopnea Index from Nocturnal Oximetry Recordings. IEEE Trans. Biomed. Eng. 59 (1) (2012)
Gonzalo C. Gutiérrez-Tobal, Roberto Hornero, Daniel Álvarez, J. Víctor Marcos, Carlos Gómez, Félix del Campo
Apnea-hypopnea index estimation from spectral analysis of airflow recordings. EMBC (2012)
J. Víctor Marcos, Roberto Hornero, Ian T. Nabney, Daniel Álvarez, Félix del Campo
Analysis of nocturnal oxygen saturation recordings using kernel entropy to assist in sleep apnea-hypopnea diagnosis. EMBC (2011)
Rebeca Corralejo, Roberto Hornero, Daniel Álvarez
Feature selection using a genetic algorithm in a motor imagery-based Brain Computer Interface. EMBC (2011)
Daniel Álvarez, Roberto Hornero, J. Víctor Marcos, Thomas Penzel, Félix del Campo, Niels Wessel
Prospective evaluation of logistic regression models from overnight oximetry to assist in sleep apnea diagnosis. ISDA (2011)
Rebeca Corralejo, Roberto Hornero, Daniel Álvarez
A Domotic Control System Using Brain-Computer Interface (BCI). IWANN (1) (2011)
Daniel Álvarez, Roberto Hornero, J. Víctor Marcos, Félix del Campo
Multivariate Analysis of Blood Oxygen Saturation Recordings in Obstructive Sleep Apnea Diagnosis. IEEE Trans. Biomed. Eng. 57 (12) (2010)
J. Víctor Marcos, Roberto Hornero, Daniel Álvarez, Félix del Campo, Mateo Aboy
Automated detection of obstructive sleep apnoea syndrome from oxygen saturation recordings using linear discriminant analysis. Medical Biol. Eng. Comput. 48 (9) (2010)
J. Víctor Marcos, Roberto Hornero, Daniel Álvarez, Félix del Campo, Miguel Maldonado López, Carlos Zamarrón
Radial basis function classifiers to help in the diagnosis of the obstructive sleep apnoea syndrome from nocturnal oximetry. Medical Biol. Eng. Comput. 46 (4) (2008)
J. Víctor Marcos, Roberto Hornero, Daniel Álvarez, Félix del Campo, Carlos Zamarrón, Miguel Maldonado López
Utility of multilayer perceptron neural network classifiers in the diagnosis of the obstructive sleep apnoea syndrome from nocturnal oximetry. Comput. Methods Programs Biomed. 92 (1) (2008)
Carmelo R. García, Francisco Alayón Hernández, Daniel Álvarez, Ricardo Pérez, Gabino Padrón
Ubiquitous platform for vehicles of passengers' public transport. AMIF (2008)
Daniel Álvarez, Roberto Hornero, María García, Félix del Campo, Carlos Zamarrón
Improving diagnostic ability of blood oxygen saturation from overnight pulse oximetry in obstructive sleep apnea detection by means of central tendency measure. Artif. Intell. Medicine 41 (1) (2007)
Roberto Hornero, Daniel Álvarez, Daniel E. Abásolo, Félix del Campo, Carlos Zamarrón
Utility of Approximate Entropy From Overnight Pulse Oximetry Data in the Diagnosis of the Obstructive Sleep Apnea Syndrome. IEEE Trans. Biomed. Eng. 54 (1) (2007)
Félix del Campo, Roberto Hornero, Carlos Zamarrón, Daniel E. Abásolo, Daniel Álvarez
Oxygen saturation regularity analysis in the diagnosis of obstructive sleep apnea. Artif. Intell. Medicine 37 (2) (2006)
Mateo Aboy, Roberto Hornero, Daniel E. Abásolo, Daniel Álvarez
Interpretation of the Lempel-Ziv Complexity Measure in the Context of Biomedical Signal Analysis. IEEE Trans. Biomed. Eng. 53 (11) (2006)
Daniel Álvarez, Roberto Hornero, María García, Félix del Campo, Carlos Zamarrón, Miguel López Coronado
Cross Approximate Entropy Analysis of Nocturnal Oximetry Signals in the Diagnosis of the Obstructive Sleep Apnea Syndrome. EMBC (2006)