Exploració per autor "García González, Miguel Ángel"Més informacióMés informació

Ara es mostren els items 39-56 de 56

    • Monitoring drivers' ventilation using an electrical bioimpedance systems: tests in a controlled enviornment 

      Macías Macías, Raúl; García González, Miguel Ángel; Ramos Castro, Juan José; Bragós Bardia, Ramon; Fernández Chimeno, Mireya (Springer Berlin Heidelberg, 2014-11-02)
      Capítol de llibre
      Accés restringit per política de l'editorial
      As improving road safety is one of the first aims in the automotive world, several new techniques and methods are being researched in recent years. Some of them consist of monitoring the driver behavior to detect ...

    • New indices for quantification of the power spectrum of heart rate variability time series without the need of any frequency band definition 

      Ramos Castro, Juan José; Padullés, M.; Marina, M.; Bescós, R.; Iglesias, X.; Rodriguez, F. A.; García González, Miguel Ángel; Fernández Chimeno, Mireya; Ferrer, J.; Escorihuela, R.M.; Parrado Romero, Eva; Capdevila, L.; Benitez, A.; Angulo, R. (IOP PUBLISHING LTD, 2011-06-07)
      Article
      Accés restringit per política de l'editorial
      This paper presents a new family of indices for the frequency domain analysis of heart rate variability time series that do not need any frequency band definition. After proper detrending of the time series, a cumulated ...

    • Obtención empírica del límite frecuencial entre las bandas de baja y altra frecuencia en análisis de variabilidad del ritmo cardíaco: aplicación en ratas y humanos 

      García González, Miguel Ángel; Fernández Chimeno, Mireya; Escorihuela, R.M.; Capdevila, Ll.; Ramos Castro, Juan José (2009-11)
      Text en actes de congrés
      Accés obert
      Se propone un nuevo método para la determinación empírica de los límites entre las bandas de baja frecuencia y alta frecuencia del espectro de potencia de las series RR en los estudios de variabilidad del ritmo cardíaco. ...

    • On the application of short-term heart rate variability indices to track changes in cognitive arousal 

      Mohammadpoor Faskhodi, Mahtab; García González, Miguel Ángel (SciTePress, 2023)
      Comunicació de congrés
      Accés obert
      Studies have demonstrated that Heart Rate Variability (HRV) can be utilized as an effective tool for monitoring the level of arousal. The autonomic nervous system (ANS) is frequently measured by heart rate and principally ...

    • On the use of fractional calculus to improve the pulse arrival time (PAT) detection when using photoplethysmography (PPG) and electrocardiography (ECG) signals 

      Mohammadpoor Faskhodi, Mahtab; García González, Miguel Ángel; Fernández Chimeno, Mireya; Guede Fernández, Federico; Mateu Mateus, Marc; Capdevilla, Lluis; Ramos Castro, Juan José (Public Library of Science (PLOS), 2024-02-16)
      Article
      Accés obert
      The pulse arrival time (PAT) has been considered a surrogate measure for pulse wave velocity (PWV), although some studies have noted that this parameter is not accurate enough. Moreover, the inter-beat interval (IBI) time ...

    • Prototipo de pulsera para la medida de ECG bajo demanda y la medida continua de la onda de pulso 

      Ferrer Mileo, Víctor; Barea Cañizares, Alberto; Mateu Mateus, Marc; Guede Fernández, Federico; Fernández Chimeno, Mireya; Ramos Castro, Juan José; García González, Miguel Ángel (Universitat Politècnica de València, 2016)
      Comunicació de congrés
      Accés obert
      El interés en la variabilidad de ritmo cardiaco (HRV) y la estimación de la presión arterial a partir del tiempo de llegada de la onda de pulso (PAT) se ha incrementado exponencialmente en los últimos años debido a los ...

    • Real time heart rate variability assessment from android smartphone camera photoplethysmography: postural and device influences 

      Guede Fernández, Federico; Ferrer Mileo, Víctor; Ramos Castro, Juan José; Fernández Chimeno, Mireya; García González, Miguel Ángel (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The aim of this paper is to present a smartphone based system for real-time pulse-to-pulse (PP) interval time series acquisition by frame-to-frame camera image processing. The developed smartphone application acquires ...

    • RR time series comparison obtained by H7 polar sensors or by photoplethysmography using smartphones: breathing and devices influences 

      Mateu Mateus, Marc; Guede Fernández, Federico; García González, Miguel Ángel (Springer, 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This work compares the time series obtained by measuring simultaneously the RR time series with a Polar Sensor and the Pulse to Pulse (PP) time series by using the camera of smartphones. The measured differences ...

    • SeniorFit : Una aplicación móvil para el seguimiento de la adherencia a estilos de vida saludable para gente mayor 

      Guede Fernández, Federico; Ferrer Mileo, Víctor; Fernández Chimeno, Mireya; Ramos Castro, Juan José; García González, Miguel Ángel (Universitat Politècnica de València, 2016)
      Comunicació de congrés
      Accés obert
      El envejecimiento progresivo de la población en los países desarrollados exige la promoción de estilos de vida saludables para fomentar el envejecimiento activo. En este trabajo se presenta una aplicación denominada ...

    • Sistemas de test automático : curso de laboratorio 

      Fernández Chimeno, Mireya; García González, Miguel Ángel; Ramos Castro, Juan José; Riu Costa, Pere Joan; Rosell Ferrer, Francisco Javier (Edicions UPC, 1999)
      Llibre
      Accés restringit a la comunitat UPC
      Este libro es un curso de laboratorio formado por 9 prácticas, mediante las cuales se pretende conseguir tres objetivos: Dar conocer a los estudiantes de electrónica una herramienta real y de amplia aceptación industrial ...

    • Steps for iterating design-implement experiences into a CDIO course 

      Bermejo Sánchez, Sergi; García González, Miguel Ángel; Bragós Bardia, Ramon; Montesinos, Núria; Ballarín, Montserrat (2016)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This paper describes how a particular form of iterative design-implement experiences were driven in the fourth-year Advanced Project in Science and Telecommunications Technology of the Degree in Sciences and Telecommunication ...

    • Synchrosqueezing index for detecting drowsiness based on the respiratory effort signal 

      Rodríguez-Ibáñez, N.; García González, Miguel Ángel; Fernández Chimeno, Mireya; De Rosario, H.; Ramos Castro, Juan José (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Objective: The aim of this work is to evaluate a new index to assess the alertness state of drivers based on the respiratory dynamics derived from an inductive band using the variability of the respiratory rhythms assessed ...

    • The Effect of Electrocardiographic Lead Choice on RR Time Series 

      García González, Miguel Ángel; Ramos Castro, Juan José; Fernández Chimeno, Mireya (2011)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Results of heart rate variability analysis depend on the quality of the initial RR time series that is measured only in one lead of the ECG. This work shows that RR time series can subtly change from lead ...

    • The influence of preset frequency, loading condition, and exercise type on the mechanical behavior of a novel vibratory bar 

      Rodríguez Jiménez, Sergio; Benítez Herrera, Adolfo; García González, Miguel Ángel; Moras-Feliu, Gerard; Maffiuletti, Nicola (2014-04)
      Article
      Accés restringit per política de l'editorial
      Rodríguez-Jiménez, S, Benitez, A, González, MÁG, Feliu, GM, and Maffiuletti, NA. The influence of preset frequency, loading condition, and exercise type on the mechanical behavior of a novel vibratory bar. J Strength Cond ...

    • Un método rápido para la cuantificación de la autosemejanza de corto alcance en series RR 

      García González, Miguel Ángel; Fernández Chimeno, Mireya; Ramos Castro, Juan José (Universidad Carlos III de Madrid (UC3M), 2010)
      Text en actes de congrés
      Accés obert
      Se propone un nuevo método para la cuantificación de la autosemejanza de corto alcance en series temporales. Los índices propuestos presentan alta correlación con los resultados del análisis de fluctuaciones tras ...

    • Using smartphone bases biodevices for analyzing physiological, psychological and behavioral user’s habits 

      Guede Fernández, Federico; Pous Solà, Marc; García González, Miguel Ángel; Capdevila Ortis, Lluís; Ramos Castro, Juan José; Fernández Chimeno, Mireya (SciTePress, 2013)
      Comunicació de congrés
      Accés obert
      As a consequence of increasing life expectancy, the promotion of lifestyles that allow aging wellbeing guarantees has acquired great importance in the developed countries. However, the adherence to healthy behaviors in ...

    • Variations in breathing patterns increase low frequency contents in HRV spectra 

      García González, Miguel Ángel; Vázquez Seisdedos, Carlos; Pallàs-Areny, Ramon (Institute of Physics Publishing, 2000)
      Article
      Accés obert
      This paper shows that variations in breathing patterns broaden heart rate variability (HRV) spectral bands and increase the power amplitude of low-frequency bands. Because of these influences, spectral markers for HRV ...

    • Ventilatory threshold prediction by spectral analysis of heart rate variability in incremental maximal tests 

      Benítez Herrera, Adolfo; García González, Miguel Ángel; Angulo, R.; Rodríguez, F.; Iglesias, X.; Bescós, R.; Marina, M.; Padullés, M. (2010)
      Comunicació de congrés
      Accés obert
      Ventilatory thresholds (VT1 and VT2) are useful in many fields of medicine and sports. Nevertheless, their measurement is cumbersome and needs trained personnel. This work proposes an alternative method to predict VT1, ...