Ara es mostren els items 1-15 de 15

    • A novel algorithm for fast BCG cycle extraction in ambulatory scenarios 

      Gómez Clapers, Joan; Casanella Alonso, Ramón; Pallàs-Areny, Ramon (2016)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      A novel algorithm JDet for ballistocardiogram (BCG) cycle extraction is presented that is intended for the fast generation of ensemble averages in ambulatory scenarios where the ECG signal is not available. First, the ...
    • A novel method to obtain proximal plethysmographic information from distal measurements using the impedance plethysmogram 

      Gómez Clapers, Joan; Casanella Alonso, Ramón; Pallàs-Areny, Ramon (University of Oslo, 2015-12-23)
      Article
      Accés obert
      We present a novel method to detect proximal volume changes based on the impedance plethysmogram (IPG) measured from limb to limb with two electrode pairs symmetrically placed at distal areas of the upper or the lower ...
    • Assessment of trends in the cardiovascular system from time interval measurements using physiological signals obtained at the limbs 

      Gómez Clapers, Joan (Universitat Politècnica de Catalunya, 2015-11-18)
      Tesi
      Accés obert
      Cardiovascular diseases are an increasing source of concern in modern societies due to their increasing prevalence and high impact on the lives of many people. Monitoring cardiovascular parameters in ambulatory scenarios ...
    • Design and implementation of a wireless system for ECG acquisition 

      Gómez Clapers, Joan (Universitat Politècnica de Catalunya, 2010-02-19)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
    • Direct pulse transit time measurement from an electronic weighing scale 

      Gómez Clapers, Joan; Casanella Alonso, Ramón; Pallàs-Areny, Ramon (2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A novel method to measure Pulse Transit Time (PTT) from the force sensors of a modified electronic weighing scale is presented. The method relies on the relation between PTT and the interval between I and J waves of the ...
    • Fusió d’imatges de satèl·lit. Implementació en OpenEV 

      Gómez Clapers, Joan (Universitat Politècnica de Catalunya, 2007-11-07)
      Projecte/Treball Final de Carrera
      Accés obert
      L’objectiu d’aquest treball és generar una documentació suficient com per poder crear, en posteriors projectes, un software a través del qual es pugui treballar amb dades generades a partir d’imatges de satèl·lit. El sistema ...
    • Heart and respiratory rate detection on a bathroom scale based on the ballistocardiogram and the continuous wavelet transform 

      Gilaberte Elvira, Sonia; Gómez Clapers, Joan; Casanella Alonso, Ramón; Pallàs-Areny, Ramon (2010)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Ballistocardiography is a non-invasive technique that yields information about the cardiovascular system that is not available in other external signals such as the electrocardiogram (ECG). In the last years, several ...
    • Impact of the mechanical interface on BCG signals obtained from electronic weighing scales 

      Casanella Alonso, Ramón; Gómez Clapers, Joan; Hernández Urrea, Marc; Pallàs-Areny, Ramon (2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This work analyzes the reproducibility of the BCG obtained from different weighing scales. First, the natural frequency of three commercial bathroom scales has been characterized by an impulse excitation test. Second, the ...
    • Method and apparatus for obtaining cardiovascular information by measuring between two extremities 

      Pallàs-Areny, Ramon; Casanella Alonso, Ramón; Gómez Clapers, Joan (2014-06-04)
      Report de recerca
      Accés obert
      In this patent of invention there are described a method and an apparatus for obtaining information on the cardiovascular system beat by beat and continuously which are based exclusively on measurements between two limbs ...
    • Multi-signal bathroom scale to assess long-term trends in cardiovascular parameters 

      Gómez Clapers, Joan; Casanella Alonso, Ramón; Pallàs-Areny, Ramon (IEEE, 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper describes the circuits and signal processing techniques that convert an electronic bathroom scale intended for bioimpedance analysis (BIA) into a compact system to acquire the electrocardiogram (ECG), the ...
    • Obtención de parámetros cardiovasculares en una báscula electrónica doméstica 

      Gómez Clapers, Joan; Casanella Alonso, Ramón; Pallàs-Areny, Ramon (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Se presenta un nuevo sistema para obtener parámetros cardiovasculares de forma sencilla y rápida, apto para el uso en entornos extrahospitalarios. Se basa en una báscula electrónica doméstica modificada a la que se ha ...
    • Seguimiento de cambios hemodinámicos mediante la detección del intervalo RJ en tiempo real 

      Gómez Clapers, Joan; Casanella Alonso, Ramón; Pallàs-Areny, Ramon (2010)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Se presenta un sistema para detectar automáticamente cambios hemodinámicos de forma no invasiva y en tiempo real. Se basa en una báscula de baño electrónica con la que se adquiere el balistocardiograma (BCG) y un sistema ...
    • Towards the standardization of ballistocardiography systems for J-peak timing measurement 

      Gómez Clapers, Joan; Serra Rocamora, Albert; Casanella Alonso, Ramón; Pallàs-Areny, Ramon (2014-09-16)
      Article
      Accés obert
      There is a growing interest in accurately measuring the timing of the J peak of the ballistocardiogram (BCG) in order to obtain cardiovascular function markers non-invasively, especially in modern home healthcare applications. ...
    • Uncertainty factors in time-interval measurements in ballistocardiography 

      Gómez Clapers, Joan; Serra Rocamora, Albert; Casanella Alonso, Ramón; Pallàs-Areny, Ramon (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      There is a growing interest on measuring time intervals between the J peak of the ballistocardiogram (BCG) and several features of other cardiovascular signals such as the ECG in order to obtain cardiovascular function ...
    • Wireless ECG and heart rate monitoring using dual ground dry electrodes 

      Gómez Clapers, Joan; Casanella Alonso, Ramón (2010)
      Comunicació de congrés
      Accés obert
      In this work, a novel wireless easy-to-use measuring system is presented to acquire the Lead I ECG signal and the heart rate. The system presents a novel application of the dual ground configuration to dry electrodes, ...