Exploració per autor "Casas Piedrafita, Óscar"
Ara es mostren els items 46-65 de 71
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Magnetic localization system for short-range positioning: a ready-to-use design tool
Ferrigno, Luigi; Laracca, Marco; Casas Piedrafita, Óscar; Cerro, Gianni; Bellitti, Paolo; Serpelloni, Mauro; Milano, Filippo (2021)
Article
Accés obertMagnetic localization is used in many indoor positioning applications, such as industrial, medical, and IoT, for its benefits related to the absence of line of sight needs, multipath and fading, the low cost of transmitters ... -
Micro air vehicles energy transportation for a wireless power transfer system
Polo Cantero, José; Hontecillas Guinart, Lluís; Izquierdo Pérez, Ignacio; Casas Piedrafita, Óscar (2019-10-22)
Article
Accés obertThe aim of this work is to demonstrate the feasibility use of an Micro air vehicles (MAV) in order to power wirelessly an electric system, for example, a sensor network, using low-cost and open-source elements. To achieve ... -
Mouse for computer control from the joystick of the wheelchair
Casas Nebra, Roberto José; Quílez Figuerola, Marcos; Hornero Ocaña, Gemma; Romero, Borja; Romero, Carlos; Domingo, Sergio; Atarés, Antonio; Costa, Joaquín; Casas Piedrafita, Óscar (Càtedra d'Accessibilitat (CATAC), 2012)
Article
Accés obertBecoming autonomous is one of the biggest challenges for many people with disabilities. Increasing their autonomy usually involves the use of a wheelchair and any kind of digital assistant, such as a computer or a tablet, ... -
Multisensor system for analyzing the thigh movement during walking
Borghetti, Michela; Serpelloni, Mauro; Sardini, Emilio; Casas Piedrafita, Óscar (2017-08-01)
Article
Accés obertBody movements monitoring may allow preventing, diagnosing, and recovering several wrong attitudes that could lead to possible future diseases. A multisensor system was developed to measure thigh movements in free-living ... -
Non-contact video-based assessment of the respiratory function using a RGB-D camera
Valenzuela Ramírez, Andrea; Hornero Ocaña, Gemma; Casas Piedrafita, Óscar; Sibuet Ruiz, Nicolás (Multidisciplinary Digital Publishing Institute (MDPI), 2021-08-20)
Article
Accés obertA fully automatic, non-contact method for the assessment of the respiratory function is proposed using an RGB-D camera-based technology. The proposed algorithm relies on the depth channel of the camera to estimate the ... -
Obtención del ECG en una báscula de baño
Díaz Cerecedo, Delia; Casas Piedrafita, Óscar; Pallàs-Areny, Ramon (2012)
Comunicació de congrés
Accés obert -
On a finite domain magnetic localization by means of TMR triaxial sensors
Cerro, G; Ferrigno, L; Laracca, M; Milano, F.; Bellitti, Paolo; Serpelloni, Mauro; Casas Piedrafita, Óscar (Institute of Electrical and Electronics Engineers (IEEE), 2020)
Text en actes de congrés
Accés obertThe paper proposes the realization and the preliminary characterization of a short–range localization systems based on the measurement of magnetic fields. Fixed anchors that generate sinusoidal wave magnetic fields at ... -
On bio activity related signals from contactless electrode measurements
Pallàs-Areny, Ramon; Casas Piedrafita, Óscar (2016-02-01)
Article
Accés obertIn a recent paper on a displacement current sensor for contactless detection of bio-activity related signals [1], it was stated that “A potential means for human presence detection…is via sensing…human biopotentials” ... -
On bio-activity related signals from contactless electrode measurements
Pallàs-Areny, Ramon; Casas Piedrafita, Óscar (2015)
Article
Accés obert -
On the common mode response of fully differential circuits
Gasulla Forner, Manuel; Casas Piedrafita, Óscar; Pallàs-Areny, Ramon (Institute of Electrical and Electronics Engineers, 2000)
Text en actes de congrés
Accés obertDifferential circuits are often described by their differential gain and common mode rejection ratio (CMRR). This approach, however, neglects the effect that the common mode signal has on the transient response and stability ... -
On the feasibility of noncontact ECG measurements
Pallàs-Areny, Ramon; Casas Piedrafita, Óscar (2016-03-01)
Article
Accés obertThe article by Kranjec et al. [1], “Novel methods of noncontact heart rate measurement: A feasibility study” is interesting and informative as it compares different contactless methods for heart rate detection. Nevertheless, ... -
Optimal two-point static calibration of measurement systems with quadratic response
Pallàs-Areny, Ramon; Jordana Barnils, José; Casas Piedrafita, Óscar (American Institute of Physics, 2004-11-10)
Article
Accés restringit per política de l'editorialMeasurement devices and instruments must be calibrated after manufacture to correct for component and assembly tolerances, and periodically to correct for drift and aging effects. The number of reference inputs needed for ... -
Plan de pruebas funcionales y de satisfacción
Casas Piedrafita, Óscar; Hornero Ocaña, Gemma (2011-04-11)
Report de recerca
Accés restringit per acord de confidencialitatInforme projecte amb B&J Adaptaciones -
Proyecto MyGait: monitorización continua de los pacientes de parkinson
Casas Piedrafita, Óscar (Comunicación MetroBCN SL, 2021-12)
Article de premsa
Accés obertLas plantillas inteligentes son capaces de aplicar una vibración rítmica en episodios de congelación de la marcha. La información objetiva de MyGait ayuda a personalizar con precisión el tratamiento y maximizar sus efectos. -
Redes inalámbricas de sensores en aplicaciones agroambientales
Pallàs-Areny, Ramon; Casas Piedrafita, Óscar (2014)
Article
Accés restringit per política de l'editorialMuchas de las aplicaciones actuales de la electrónica dependen de sensores que obtienen las señales necesarias para monitorizar o controlar procesos de índole tan variada como el número de vehículos en un aparcamiento o ... -
Report on RICE-GUARD Market Requirements and Preliminary System Specifications
KATSANTONIS, Dimitris; DRAMALIS, Christos; Pallàs-Areny, Ramon; Casas Piedrafita, Óscar; López Lapeña, Oscar; PUIGDOLLERS, Pau; PEREIRAS, Jaime (2013-12-20)
Report de recerca
Accés obertThis report outlines the work carried out as part of the EC-funded project called RICE-GUARD. The project concerns the development of a novel in-field system which is going to be capable of continuously monitoring weather ... -
Robust algorithm for the detection and classification of QRS complexes with different morphologies using the continuous spline wavelet transform with automatic scale detection
Martínez Suárez, Frank; Alvarado Serrano, Carlos; Casas Piedrafita, Óscar (Institute of Physics (IOP), 2024-01-10)
Article
Accés obertThis work presents an algorithm for the detection and classification of QRS complexes based on the continuous wavelet transform (CWT) with splines. This approach can evaluate the CWT at any integer scale and the analysis ... -
Sensorica: el mundo de los sensores
Pallàs-Areny, Ramon; Casas Piedrafita, Óscar; Polo Cantero, José (2010-01-01)
Article
Accés restringit per política de l'editorial -
Sensorica: el mundo de los sensores y sus interfaces
Pallàs-Areny, Ramon; Casas Piedrafita, Óscar; Polo Cantero, José (2010-07-01)
Article
Accés restringit per política de l'editorial -
Sensórica: el mundo de los sensores y sus interfaces
Pallàs-Areny, Ramon; Casas Piedrafita, Óscar; Polo Cantero, José (2010-11-01)
Article
Accés restringit per política de l'editorial