Browsing by Subject "Biometria"

Now showing items 21-40 of 60

    • Development and integration of a real-time human pose estimation and activity classification system 

      Fabré Solà, Roger (Universitat Politècnica de Catalunya, 2020-06)
      Bachelor thesis
      Open Access
      La estimación de la postura humana y el reconocimiento de la actividad es un componente crucial en el campo de la visión por ordenador. De este modo, se permite a las máquinas comprender el comportamiento de las personas ...

    • Diseño de la documentación de soporte de un estudio de cohorte prospectivo en el ámbito de la miopía infantil 

      López Abad, Kattya Dayana (Universitat Politècnica de Catalunya, 2022-05)
      Master thesis
      Open Access
      INTRODUCCIÓ: L'augment de la prevalença global de la miopia ha provocat un increment del nombre d'investigacions que pretenen conèixer els factors de risc que la desencadenen. La cohort infantil de salut visual de Terrassa ...

    • Disseny de sistemes de control d'accés biomètrics 

      Pastor Romera, Francesc Xavier (Universitat Politècnica de Catalunya, 2009-07)
      Master thesis (pre-Bologna period)
      Open Access
      Entre els 7 sistemes d’identificació més utilitzats es troben els sistemes biomètrics. L’autentificació per biometria es basa en la verificació d’un element del cos de l’usuari (identificació del rostre, termograma del ...

    • Ear-Accessories Inpainting Using Convolutional Neural Networks 

      Oleart Playa, Nil (Universitat Politècnica de Catalunya, 2017)
      Bachelor thesis
      Restricted access - confidentiality agreement

    • Electrical impedance spectroscopy cell monitoring in a miniaturized bioreactor 

      Martinez Teruel, Jesus; García Sánchez, Tomás; Fontova i Sosa, Andreu Francesc; Bragós Bardia, Ramon (2013)
      Conference report
      Open Access
      Electrical impedance spectroscopy measurement of biologic materials provides information about viable cell density as well as cell size and shape homogeneity. Several experimental and even commercial biomass density probes ...

    • End-to-End photoplethysmography-based biometric authentication system by using deep neural networks 

      Cortès Sebastià, Guillem (Universitat Politècnica de Catalunya, 2018-06)
      Bachelor thesis
      Open Access
      Covenantee:   Telefónica I+D
      Whilst research efforts have traditionally focused on Electrocardiographic (ECG) signals and handcrafted features as potential biometric traits, few works have explored systems based on the raw photoplethysmogram (PPG) ...

    • Estimate of influenza cases using generalized linear, additive and mixed models 

      Oviedo de La Fuente, Manuel; Domínguez García, Angela; Muñoz Gracia, María del Pilar (Landes Bioscience, 2015-01-01)
      Article
      Open Access
      We investigated the relationship between reported cases of influenza in Catalonia (Spain). Covariates analyzed were: population, age, data of report of influenza, and health region during 2010-2014 using data obtained from ...

    • Estimation of spatial sampling effort based on presence-only data over a class of species 

      Fernández Martínez, Daniel; Nakamura Savoy, Miguel (2015-03-10)
      Article
      Restricted access - publisher's policy
      Sampling bias contained in data of biological surveys is very common. Bias is clearly a function of roads, cities, rivers, or other physical features that determines accessibility of collectors, and many data sets of species ...

    • 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 ...

    • 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 ...

    • 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 ...