Now showing items 21-40 of 44

  • Estudi de les característiques morfològiques del segment anterior de l'ull en nens de 8-9 anys 

    Sala Damunt, Elisa (Universitat Politècnica de Catalunya, 2014-01-30)
    Bachelor thesis
    Open Access
    Examinar les característiques biomètriques del segment anterior ocular en una mostra d’infants caucàsics, amb la finalitat de conèixer si els paràmetres obtinguts en aquesta mostra tenen relació amb el gènere, i comparar-los ...
  • Estudio de adaptación de un sistema de reconocimiento biométrico en ATMs 

    Murias Rigual, Marta (Universitat Politècnica de Catalunya, 2016-01)
    Bachelor thesis
    Restricted access - author's decision
    “Estudio de adaptación de un sistema de reconocimiento biométrico en ATMs” es un proyecto en el ámbito de la física aplicada a la óptica con la intención de encontrar una solución al problema propuesto de implementar un ...
  • Estudio de la influencia de la dilatación pupilar en los parámetros oculares evaluados mediante biometría óptica 

    Salas Fandos, Olga (Universitat Politècnica de Catalunya, 2016-02)
    Master thesis
    Open Access
    Aquest estudi pretén analitzar la influència de la dilatació pupil·lar farmacològica amb Tropicamida a l'1% en el càlcul final de la potència de la lent intraocular per implantar després de la cirurgia de cataractes (LIO). ...
  • Face recognition in controlled environments using multiple images 

    Gómez Martil, José (Universitat Politècnica de Catalunya, 2009-03)
    Master thesis (pre-Bologna period)
    Open Access
    Our objective is the design of a face recognition system for its use in controlled environments. For that reason, different tasks will be performed, that chronologically can be stated as: The study of the basis of pattern ...
  • Flexible biometric online speaker-verification system implemented on FPGA using vector floating-point units 

    Cantó Navarro, Enrique; López García, Mariano; Ramos Lara, Rafael Ramón; Sánchez Reíllo, Raúl (2014-12-01)
    Article
    Open Access
    This paper presents the implementation of a speaker-verification system on field programmable gate array. The algorithm is executed by software over an embedded system that includes a MicroBlaze microprocessor connected ...
  • Fusing prosodic and acoustic information for speaker recognition 

    Farrús Cabeceran, Mireia (Universitat Politècnica de Catalunya, 2008-10-29)
    Doctoral thesis
    Open Access
    El reconeixement automàtic del locutor és la utilització d’una màquina per identificar un individu a partir de d’un missatge parlat. Recentment, aquesta tecnologia ha experimentat un increment en l’ús de diverses aplicacions ...
  • Graphics for relatedness research 

    Galván Femenía, Iván; Graffelman, Jan; Barceló Vidal, Carles (Wiley, 2017-04-03)
    Article
    Open Access
    Studies of relatedness have been crucial in molecular ecology over the last decades. Good evidence of this is the fact that studies of population structure, evolution of social behaviours, genetic diversity and quantitative ...
  • Hardware-Software Co-Design for Fingerprint Biometric Identification 

    Unknown author (SARTI (Technological Development Centre of Remote Acquisition and Data processing Systems. Technical University of Catalonia (UPC)., 2005-04-01)
    Article
    Open Access
    This paper describes the design of a specific architecture for fingerprint identification based on a hardware-software co-design. This work summarizes the main stages involved in a classical fingerprint feature extraction ...
  • Human iris biometry 

    Largo Castellà, Juan Carlos (Universitat Politècnica de Catalunya, 2016-07-12)
    Bachelor thesis
    Open Access
    This project exposes the implementation of an iris based biometric system, from the theoretical basis to the implementation of it by examining different types of methods described in other documents. The human iris structure ...
  • Incorporating local information and prior expert knowledge to evidence-informed mental health system research 

    Salvador Carulla, Luis; García Alonso, Carlos; Gibert, Karina; Vázquez Bourgon, Javier (2013-03-10)
    Part of book or chapter of book
    Restricted access - publisher's policy
  • Integración de biometría de voz en un sistema de pago por teléfono: verificación del locutor dependiente del texto 

    Masana de Bouffard, Judit (Universitat Politècnica de Catalunya, 2016-09)
    Bachelor thesis
    Open Access
    The aim of this project is obtain a text-dependent speaker verification system using speech biometrics. We recover software created by the Department of Signal and Communications Theory, which had been modified. It has ...
  • Integration of speech biometrics in a phone payment system: text-independent speaker verification 

    Barón Garcia, Anna (Universitat Politècnica de Catalunya, 2016-09)
    Bachelor thesis
    Open Access
    Nowadays, the integration of biometrics in security systems is a prominent research and application field. Also, it is clear that speech is the most common form of communication, which makes a swell candidate. While using ...
  • In vivo electrical bioimpedance characterization of human lung tissue during the bronchoscopy procedure. A feasibility study 

    Sánchez Terrones, Benjamín; Vandersteen, Gerd; Martín Robles, Irene; Castillo Villegas, Diego; Torrego Fernández, Alfons; Riu Costa, Pere Joan; Schoukens, Johan; Bragós Bardia, Ramon (2013-07)
    Article
    Restricted access - publisher's policy
    Lung biopsies form the basis for the diagnosis of lung cancer. However, in a significant number of cases bronchoscopic lung biopsies fail to provide useful information, especially in diffuse lung disease, so more aggressive ...
  • Low cost fingerprint matching system for biometric identification 

    José Torra, Ferran (Universitat Politècnica de Catalunya, 2015-06)
    Bachelor thesis
    Open Access
    The objective of this project is to develop a system required by the Doctors Without Borders NGO that consists in managing the medical histories of a refugee camp in an easier way. Specifically, this system was already ...
  • Measurement error in epidemiologic studies of air pollution based on land-use regression models 

    Basagaña Flores, Xavier; Aguilera, Inmaculada; Rivera, Marcela; Agis Cherta, David; Foraster, María; Marrugat, Jaume; Elosua, Roberto; Künzli, Nino (2013-10-15)
    Article
    Open Access
    Land-use regression (LUR) models are increasingly used to estimate air pollution exposure in epidemiologic studies. These models use air pollution measurements taken at a small set of locations and modeling based ...
  • Monitoring cell monolayers during electroporation: Electrical impedance spectroscopy measurements 

    García Sánchez, Tomás; Guitart, Maria; Sánchez Terrones, Benjamín; Rosell Ferrer, Francisco Javier; Gomez Foix, Anna Maria; Bragós Bardia, Ramon (2013)
    Conference report
    Open Access
    Electroporation or electropermeabilization is a phenomenon observed when lipid bilayers, generally cell membranes, are exposed to high electric field pulses becoming transiently permeable to molecules that under regular ...
  • New approaches for iris boundary localization 

    Pérez, Dídac; Fernández, Carles; Segura, Carlos; Hernando Pericás, Francisco Javier (Universidad de las Palmas de Gran Canarias, 2012)
    Conference report
    Open Access
    Iris segmentation is the most determining factor in iris biometrics, which has traditionally assumed rigid constrained environments. In this work, a novel method that covers the localization of the pupillaty and limbic ...
  • Normalización estadística para fusión biométrica multimodal 

    Ejarque Monserrate, Pascual (Universitat Politècnica de Catalunya, 2011-03-17)
    Doctoral thesis
    Open Access
    Los sistemas de reconocimiento biométrico utilizan ciertas características humanas como la voz, los rasgos faciales, la huella dactilar, el iris o la geometría de la mano para identificar a un individuo o verificar su ...
  • Posture detection with waist-worn accelerometer: An application to improve freezing of gait detection in parkinson’s disease patients 

    Rodríguez Martín, Daniel Manuel; Samà Monsonís, Albert; Pérez López, Carlos; Català Mallofré, Andreu; Cabestany Moncusí, Joan; Rodríguez Molinero, Alejandro (2014)
    Conference report
    Restricted access - publisher's policy
  • Realización de una base de datos de señales fisiológicas y estudio del efecto de la música en la variabilidad del ritmo cardíaco 

    Argelagós Palau, Ariadna (Universitat Politècnica de Catalunya, 2014-06-18)
    Master thesis (pre-Bologna period)
    Open Access
    [ANGLÈS] The main purpose of this project is the making of a biosignal database –two ECG leads, breathing and seismocardiogram–, acquired at a very high sample frequency in order to study the possible modulatory effects ...