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  • A methodology to quantify the differences between alternative methods of heart rate variability measurement  Open access

     Garcia, M.; Fernandez, M.; Guede, F.; Ferrer, V.; Argelagós, A.; Álvarez-Gómez, L.; Parrado , E.; Moreno, J.; Capdevila, Ll.; Ramos, J.
    Physiological measurement
    num. 37, p. 128-144
    DOI: 10.1088/0967-3334/37/1/128
    Date of publication: 2015-12-14
    Journal article
    Access to the full text
  • Design and assessment of a low-frequency magnetic measurement system for eLISA  Open access

    Department of Electronic Engineering, Universitat Politècnica de Catalunya
    Theses
  • Low-frequency noise characterization of a magnetic field monitoring system using an anisotropic magnetoresistance  Open access

     Mateos, I.; Ramos, J.; Lobo, J.A
    Sensors and actuators A. Physical
    Vol. 235, p. 57-63
    DOI: 10.1016/j.sna.2015.09.021
    Date of publication: 2015-11-01
    Journal article
    Access to the full text
  • Accuracy of heart rate variability estimation by photoplethysmography using an smartphone : processing optimization and fiducial point selection  Open access

     Ferrer, V.; Guede, F.; Fernandez, M.; Ramos, J.; Garcia, M.
    Annual International Conference of the IEEE Engineering in Medicine and Biology Society
    p. 5700-5703
    DOI: 10.1109/EMBC.2015.7319686
    Presentation's date: 2015-08-28
    Presentation of work at congresses
    Access to the full text
  • Real time heart rate variability assessment from android smartphone camera photoplethysmography: postural and device influences

     Guede, F.; Ferrer, V.; Ramos, J.; Fernandez, M.; Garcia, M.
    Annual International Conference of the IEEE Engineering in Medicine and Biology Society
    p. 7332-7335
    DOI: 10.1109/EMBC.2015.7320085
    Presentation's date: 2015-08-28
    Presentation of work at congresses
  • Interpolation of the magnetic field at the test masses in eLISA

     Mateos, I.; Diaz-Aguilo, M.; Ramos, J.; Garcia-berro, E.; Lobo, J.A
    Classical and quantum gravity
    Vol. 32, num. 16
    DOI: 10.1088/0264-9381/32/16/165003
    Date of publication: 2015-08-20
    Journal article
  • Facial video-based photoplethysmography to detect HRV at rest

     Moreno, J.; Ramos, J.; Movellan, J.; Parrado , E.; Rodas, G.; Capdevila, L.
    International journal of sports medicine
    Vol. 36, num. 6, p. 474-480
    DOI: 10.1055/s-0034-1398530
    Date of publication: 2015-06-01
    Journal article
  • Noise characterization of an atomic magnetometer at sub-millihertz frequencies

     Mateos, I.; Patton, B.; Zhivun, E.; Budker, D.; Wurm, D.; Ramos, J.
    Sensors and actuators A. Physical
    Vol. 224, num. April, p. 147-155
    DOI: 10.1016/j.sna.2015.01.029
    Date of publication: 2015-04-01
    Journal article
  • Análisis de la variabilidad de la frecuencia cardíaca mediante fotopletismografía por imagen  Open access

     Melchor, A.; Ramos, J.
    Congreso Anual de la Sociedad Española de Bioingeniería
    p. 1-4
    Presentation's date: 2014-11-27
    Presentation of work at congresses
    Access to the full text
  • Gold standard generation using electrooculogram signal for drowsiness detection in simulator conditions

     Rodriguez, N.; Meca-Calderón, P.; Garcia, M.; Ramos, J.; Fernandez, M.
    DOI: 10.1007/978-3-662-44485-6
    Date of publication: 2014-11-02
    Book chapter
    Image
  • Monitoring drivers' ventilation using an electrical bioimpedance systems: tests in a controlled enviornment

     Macias, R.; Garcia, M.; Ramos, J.; Bragos, R.; Fernandez, M.
    DOI: 10.1007/978-3-662-44485-6
    Date of publication: 2014-11-02
    Book chapter
    Image
  • Assessment of energy expended in physical activity by a smartphone-based system

     Guede, F.; Carbones, B.; Capdevila, L.; Garcia, M.; Ramos, J.; Fernandez, M.
    European Conference of the International Federation for Medical and Biological Engineering
    p. 893-896
    DOI: 10.1007/978-3-319-11128-5
    Presentation's date: 2014-09-09
    Presentation of work at congresses
  • 3Cat-1: a multi-payload Cubesat-based scientific and technology demonstrator  Open access

     Jove-Casulleras, R.; Camps, A.; Ramos, J.; Alarcon, E.; Bou , E.; Carreño-Luengo, H.; Amezaga, A.; Olive, R.; Vidal, D.; Muñoz, J.; Araguz, C.; Mari, M.; Ortega, P.; Pons, J.; Gorreta, S.; Dominguez, M.; Iannazzo, M.
    Small Satellites and Services Symposium
    Presentation's date: 2014-05-27
    Presentation of work at congresses
    Access to the full text
  • Temperature gradient sensor from pulsed power supply duty cycle in ultra-low-power energy harvesting system

     Jove-Casulleras, R.; Ramos, J.; Corimanya, H.; Camps, A.; Alarcon, E.; Amezaga, A.; Bou , E.
    Electronics Letters
    Vol. 50, num. 11, p. 826-828
    DOI: 10.1049/el.2014.0399
    Date of publication: 2014-05-22
    Journal article
  • Desenvolupament de marcadors d'estil de vida saludable per a gent grant basats en Smartphones

     Fernandez, M.; Ramos, J.; Capdevila, L.; Guede, F.; Parrado , E.; Moreno, J.; Garcia, M.
    Competitive project
  • Intrumentació electrònica i biomèdica

     Riu, P.J.; Fernandez, M.; Garcia, M.; Nescolarde Selva, Lexa; Ramos, J.; Silva, F.; Torrents, J.M.; Bragos, R.; Pous, M.; Rosell, F.
    Competitive project
  • UPCSAT-1, demostrador CubeSat para observación terrestre

     Jove-Casulleras, R.; Camps, A.; Vall-llossera, M.; Bou , E.; Ramos, J.; Alarcon, E.; Alonso-Arroyo, A.
    Congreso de la Asociación Española de Teledetección
    p. 49-52
    Presentation's date: 2013-10
    Presentation of work at congresses
  • Differences in QRS locations due to ECG lead: relationship with breathing

     Garcia, M.; Argelagós, A.; Fernandez, M.; Ramos, J.
    Mediterranean Conference on Medical and Biological Engineering and Computing
    p. 962-964
    DOI: 10.1007/978-3-319-00846-2_238
    Presentation's date: 2013-09-27
    Presentation of work at congresses
  • Synchrosqueezing index for detecting drowsiness based on the respiratory effort signal

     Rodriguez, N.; Garcia, M.; Fernandez, M.; De Rosario, H.; Ramos, J.
    Mediterranean Conference on Medical and Biological Engineering and Computing
    p. 965-968
    DOI: 10.1007/978-3-319-00846-2_239
    Presentation's date: 2013-09-27
    Presentation of work at congresses
  • A comparison of heartbeat detectors for the seismocardiogram  Open access

     Garcia, M.; Argelagós, A.; Fernandez, M.; Ramos, J.
    Computing in Cardiology Annual Conference
    p. 461-464
    Presentation's date: 2013-09-24
    Presentation of work at congresses
    Access to the full text
  • 8th Google Faculty Reserach Award

     Alarcon, E.; Camps, A.; Ramos, J.
    Award or recognition
  • The help4mood wearable sensor network for inconspicuous activity measurement

     Perez, D.; Ruiz, S.; Rosell, F.; Ramos, J.; Valenzuela, J.; Colomé, J.M.
    IEEE Wireless communications
    Vol. 20, num. 4, p. 50-56
    DOI: 10.1109/MWC.2013.6590050
    Date of publication: 2013-08
    Journal article
  • An application of fractional differintegration to heart rate variability time series

     Garcia, M.; Fernandez, M.; Ramos, J.; Capdevila, Ll.; Parrado, E.
    Computer methods and programs in biomedicine
    Vol. 111, num. 1, p. 33-40
    DOI: 10.1016/j.cmpb.2013.02.009
    Date of publication: 2013-07
    Journal article
  • Design of the magnetic diagnostics unit onboard LISA pathfinder  Open access

     Mateos, I.; Diaz-Aguilo, M.; Ramos, J.; Lobo, J.A; Garcia-berro, E.
    Aerospace science and technology
    Vol. 26, num. 1, p. 53-59
    DOI: 10.1016/j.ast.2012.02.013
    Date of publication: 2013-04
    Journal article
    Access to the full text
  • Drowsiness detection by electrooculogram signal analysis in driving simulator conditions for gold standard signal generation

     Rodríguez-Ibáñez, N.; Meca-Calderón, P.; Garcia, M.; Ramos, J.; Fernandez, M.
    International Conference on Biomedical Electronics and Devices
    p. 57-63
    Presentation's date: 2013-02
    Presentation of work at congresses
  • Contactless electrical bioimpedance system for monitoring ventilation. A biodevice for vehicle environment

     Macias, R.; Garcia, M.; Ramos, J.; Bragos, R.; Fernandez, M.
    International Conference on Biomedical Electronics and Devices
    p. 14-20
    Presentation's date: 2013-02
    Presentation of work at congresses
  • Using smartphone bases biodevices for analyzing physiological, psychological and behavioral user’s habits  Open access

     Guede, F.; Pous, M.; Garcia, M.; Capdevila, L.; Ramos, J.; Fernandez, M.
    International Conference on Biomedical Electronics and Devices
    p. 243-248
    Presentation's date: 2013-02
    Presentation of work at congresses
    Access to the full text
  • Unobtrusive activity measurement in patients with depression: the H4M approach

     Ramos, J.; Mahdavi, H.; Perez, D.; Garcia, M.; Soraya Estevez; Rosell, F.
    Information and Communication Technologies applied to Mental Health
    p. 18-23
    Presentation's date: 2012-10-04
    Presentation of work at congresses
  • Changes in heart rate variability indexes due to drowsiness in professional drivers measured in a real environment

     Garcia, M.; Fernandez, M.; Ramos, J.; Rodriguez, N.; de la Cruz, M.A.F.
    Computing in Cardiology Annual Conference
    p. 913-916
    Presentation's date: 2012-09-12
    Presentation of work at congresses
  • A novel index based on fractional calculus to assess the dynamics of heart rate variability: changes due to chi or yoga meditations

     Garcia, M.; Ramos, J.; Fernandez, M.
    Computing in Cardiology Annual Conference
    p. 925-928
    Presentation's date: 2012-09-12
    Presentation of work at congresses
  • Heart rate variability analysis using a seismocardiogram signal

     Ramos, J.; Moreno, J.; Miranda-Vidal, H.; Garcia, M.; Fernandez, M.; Rodas, G.; Capdevila, L.
    Annual International Conference of the IEEE Engineering in Medicine and Biology Society
    p. 5642-5645
    DOI: 10.1109/EMBC.2012.6347274
    Presentation's date: 2012-08-31
    Presentation of work at congresses
  • HRV based Health&Sport markers using video from the face

     Capdevila, Ll.; Moreno, J.; Movellan, J.; Parrado , E.; Ramos, J.
    IEEE Engineering in Medicine and Biology Society
    p. 5646-5649
    DOI: 10.1109/EMBC.2012.6347275
    Presentation's date: 2012-08-28
    Presentation of work at congresses
  • Cubesat-based demonstrator for optical Earth observation

     Jove-Casulleras, R.; Camps, A.; Ramos, J.
    IEEE International Geoscience and Remote Sensing Symposium
    p. 1505-1508
    DOI: 10.1109/IGARSS.2012.6351249
    Presentation's date: 2012-07-26
    Presentation of work at congresses
  • Método con bio-retroalimentacion para entrenamiento de la musculatura del suelo pelvico

     Mañanas, M.A.; Ramos, J.; Espuña, M.; Perez, A.
    Date of request: 2012-07-16
    Invention patent
  • The LISA Pathfinder mission

     Diaz-Aguilo, M.; Ramos, J.; [et. al.]
    Classical and quantum gravity
    Vol. 29, num. 12
    DOI: 10.1088/0264-9381/29/12/124014
    Date of publication: 2012-06-21
    Journal article
  • A wireless sensor network design for the Help4Mood european project

     Perez, D.; Ruiz, S.; Rosell, F.; Ramos, J.; Castro, J.C.
    European Wireless
    p. 1-6
    Presentation's date: 2012-04
    Presentation of work at congresses
  • A wireless under-mattress sensor system for sleep monitoring in people with major depression

     Mahdavi, H.; Ramos, J.; Giovinazzo, G.; Garcia, M.; Rosell, F.
    IASTED International Conference Biomedical Engineering
    p. 1-5
    Presentation's date: 2012-02-16
    Presentation of work at congresses
  • Improvement of the actimetry agreement among sites by proper choice of signal processing stages

     Garcia, M.; Giovinazzo, G.; Gomez, R.; Landi, F.; Ramos, J.; Rosell, F.
    IASTED International Conference Biomedical Engineering
    p. 1-5
    Presentation's date: 2012-02-15
    Presentation of work at congresses
  • Help4Mood: testing and achievements of the first wireless sensor network prototype

     Perez, D.; Ruiz, S.; Rosell, F.; Ramos, J.; Colomé, J.M.
    European Cooperative in Science And Technology
    Presentation's date: 2012-02-10
    Presentation of work at congresses
  • Development of a system to test somnolence detectors with drowsy drivers

     Lopez, J.; Rodriguez, N.; Nombela, M.; Barrios, J.; Garcia, M.; Ramos, J.; Fernandez, M.
    Procedia - Social and behavioral sciences
    Vol. 48, p. 2058-2070
    DOI: 10.1016/j.sbspro.2012.06.1179
    Date of publication: 2012
    Journal article
  • LISA PathFinder radiation monitor proton irradiation test results

     Mateos, I.; Diaz-Aguilo, M.; Gibert, F.; Grimani, C.; Hollington, D.; Lloro, I.; Lobo, A.; Nofrarias, M.; Ramos, J.
    Journal of physics: conference series
    Vol. 363, num. 1, p. 1-10
    DOI: 10.1088/1742-6596/363/1/012050
    Date of publication: 2012
    Journal article
  • Temperature coefficient improvement for low noise magnetic measurements in LISA

     Mateos, I.; Diaz-Aguilo, M.; Gibert, F.; Lloro, I.; Lobo, A.; Nofrarias, M.; Ramos, J.
    Journal of physics: conference series
    Vol. 363, num. 1, p. 1-9
    DOI: 10.1088/1742-6596/363/1/012051
    Date of publication: 2012
    Journal article
  • Contribution to long term telemetry in small laboratory animals

    Department of Automatic Control, Universitat Politècnica de Catalunya
    Theses
  • Drowsiness detection by thoracic effort signal snalysis with professional drivers in real environments  Open access

     Rodriguez, N.; Garcia, M.; Ramos, J.; Fernandez, M.
    International Conference on Driver Distraction and Inattention
    p. 1-25
    Presentation's date: 2011-09-06
    Presentation of work at congresses
    Access to the full text
  • Drowsiness detection by thoracic effort signal analysis in real driving environments

     Rodriguez, N.; Garcia, M.; Fernandez, M.; Ramos, J.
    IEEE Engineering in Medicine and Biology Society
    p. 6055-6058
    Presentation's date: 2011-09-02
    Presentation of work at congresses
  • The chain value process and knowledge transfer in a bioengineering case

     González, M.; Mañanas, M.A.; Ramos, J.; Caminal, P.
    European Conference on Knowledge Management
    p. 332-340
    Presentation's date: 2011-09-01
    Presentation of work at congresses
  • The Effect of Electrocardiographic Lead Choice on RR Time Series

     Garcia, M.; Ramos, J.; Fernandez, M.
    IEEE Engineering in Medicine and Biology Society
    p. 1933-1936
    Presentation's date: 2011-08-31
    Presentation of work at congresses