Exploració per autor "Mateu Mateus, Marc"
Ara es mostren els items 1-12 de 12
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3D printed probe for simultaneous E and H fields measurements
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Text en actes de congrés
Accés obertAdditive manufacturing using conductive polylactic acid (PLA) is an emerging technology. This work presents a double-loaded loop probe made of conductive PLA and evaluates its performance compared to a previous design built ... -
A non-contact camera-based method for respiratory rhythm extraction
(2021-04)
Article
Accés obertThe 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
(2020-03)
Article
Accés obertA 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 ... -
Broadband effective dielectric permittivity of heterogeneous 3D printed PLA structures
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Text en actes de congrés
Accés obert3D printing and additive manufacturing technologies are increasingly being employed for electronics, RF, and microwave applications because they allow high design flexibility at low cost and rapid prototyping. The intrinsic ... -
Camera-based method for respiratory rhythm extraction from a lateral perspective
(Institute of Electrical and Electronics Engineers (IEEE), 2020-08-25)
Article
Accés obertThis 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
(2019-05-01)
Article
Accés obertThe 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
(Universitat Politècnica de Catalunya, 2020-12-01)
Tesi
Accés obertDue 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
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
Text en actes de congrés
Accés restringit per política de l'editorialThis 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 ... -
On the use of fractional calculus to improve the pulse arrival time (PAT) detection when using photoplethysmography (PPG) and electrocardiography (ECG) signals
(Public Library of Science (PLOS), 2024-02-16)
Article
Accés obertThe 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
(Universitat Politècnica de València, 2016)
Comunicació de congrés
Accés obertEl 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
(Springer, 2014)
Text en actes de congrés
Accés restringit per política de l'editorialThis 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
(Universitat Politècnica de Catalunya, 2015-07)
Projecte/Treball Final de Carrera
Accés obertIn 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 ...
