Now showing items 1-9 of 9

    • A non-contact camera-based method for respiratory rhythm extraction 

      Mateu Mateus, Marc; Guede Fernández, Federico; Rodriguez Ibañez, Noelia; García González, Miguel Ángel; Ramos Castro, Juan José; Fernández Chimeno, Mireya (2021-04)
      Article
      Open Access
      The aim of this work is to present a non-contact video-based method for respiratory rhythm extraction. The method makes use of a consumer-grade RGB camera, and it is based on computer vision algorithms to detect and track ...
    • A photoplethysmography smartphone-based method for heart rate variability assessment: device model and breathing influences 

      Guede Fernández, Federico; Ferrer Mileo, Víctor; Mateu Mateus, Marc; Ramos Castro, Juan José; García González, Miguel Ángel; Fernández Chimeno, Mireya (2020-03)
      Article
      Restricted access - publisher's policy
      A measurement method of heart rate and heart rate variability (HRV) based on smartphone has been developed and validated. The method is based on photoplethysmography (PPG) acquired with the smartphone camera (SPPG). SPPG ...
    • Camera-based method for respiratory rhythm extraction from a lateral perspective 

      Mateu Mateus, Marc; Guede Fernández, Federico; García González, Miguel Ángel; Ramos Castro, Juan José; Fernández Chimeno, Mireya (Institute of Electrical and Electronics Engineers (IEEE), 2020-08-25)
      Article
      Open Access
      This work proposes a new method based on computer vision algorithms to measure the respiratory rhythm of a subject from a lateral perspective. The proposed algorithm consists on tracking the motion of the intercostal and ...
    • Comparison of video-based methods for respiration rhythm measurement 

      Mateu Mateus, Marc; Guede Fernández, Federico; Ferrer Mileo, Víctor; García González, Miguel Ángel; Ramos Castro, Juan José; Fernández Chimeno, Mireya (2019-05-01)
      Article
      Open Access
      The aim of this work is to characterize the di erences in the respiratory rhythm obtained through three video based methods by comparing the obtained respiratory signals with the one obtained with the gold standard method ...
    • A contribution to unobtrusive video-based measurement of respiratory signals 

      Mateu Mateus, Marc (Universitat Politècnica de Catalunya, 2020-12-01)
      Doctoral thesis
      Open Access
      Due to the growing popularity of video-based methods for physiological signal measurement, and taking into account the technological advancements of these type of devices, this work proposes a series of new novel methods ...
    • Electromagnetic characterization of 3D printed antennas employing conductive filament 

      Pous Solà, Marc; Azpúrua Auyanet, Marco Aurelio; Quílez Figuerola, Marcos; Mateu Mateus, Marc; Fernández Chimeno, Mireya; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Conference report
      Restricted access - publisher's policy
      This work presents the need to accurately define EM characterization of novel materials like the 3D conductive filament. Although these construction techniques and materials are currently used by the industry, the influence ...
    • 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)
      Conference lecture
      Open Access
      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 ...
    • 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)
      Conference report
      Restricted access - publisher's policy
      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 ...
    • System of collective monitoring on physical activity based on heart rate variability 

      Mateu Mateus, Marc (Universitat Politècnica de Catalunya, 2015-07)
      Master thesis (pre-Bologna period)
      Open Access
      In these last few years there has been a growth in mobile technology as a result of the advance and development of devices and its respective operative systems, what has led to an exponential growth in the number of available ...