Browsing by Subject "Biometry"

Now showing items 1-20 of 47

    • A discussion on the selection of prototypes for kansei engineering study 

      Marco Almagro, Lluís; Tort-Martorell Llabrés, Xavier; Schütte, Simon (2016)
      Conference report
      Restricted access - publisher's policy
      One of the steps in a kansei engineering study is the evaluation of prototypes by users. Usually, the participants in the study give ratings to each one of the prototypes either using a semantic differential method or a ...

    • A genetic attack against machine learning classifiers to steal biometric actigraphy profiles from health related sensor data 

      Garcia Ceja, Enrique; Morin, Brice; Aguilar Rivera, Anton; Riegler, Michael Alexander (Springer, 2020)
      Article
      Open Access
      In this work, we propose the use of a genetic-algorithm-based attack against machine learning classifiers with the aim of ‘stealing’ users’ biometric actigraphy profiles from health related sensor data. The target ...

    • A novel method for low-constrained iris boundary localization 

      Fernández, Carles; Pérez, Dídac; Segura, Carlos; Hernando Pericás, Francisco Javier (2012)
      Conference lecture
      Open Access
      Iris recognition systems are strongly dependent on their segmentation processes, which have traditionally assumed rigid experimental constraints to achieve good performance, but now move towards less constrained environments. ...

    • A system for robust iris recognition 

      Pérez Parera, Dídac (Universitat Politècnica de Catalunya, 2012-02-13)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      [ANGLÈS] Biometric technologies are becoming important due to the increasing demand for flexible and robust systems for identification and verification of individuals. In recent years, some biometrics has been proposed ...

    • Analysis of self-overlap reveals trade-offs in plankton swimming trajectories 

      Bianco, Giuseppe; Mariani, Patrizio; Visser, André W.; Mazzocchi, Maria Grazia; Pigolotti, Simone (2014-07-06)
      Article
      Restricted access - publisher's policy
      Movement is a fundamental behaviour of organisms that not only brings about beneficial encounters with resources and mates, but also at the same time exposes the organism to dangerous encounters with predators. The movement ...

    • Autenticació mitjançant paràmetres biomètrics 

      Pastor Navarro, Ricard (Universitat Politècnica de Catalunya, 2017-10-12)
      Bachelor thesis
      Open Access
      En les pàgines següents s’explicarà el procés seguit per la realització d’aquest treball de final de grau, en el que es pretén substituir, en un programa de gestió de contrasenyes, la contrasenya mestre per paràmetres ...

    • Biofilm growth monitoring 

      Izquierdo Moles, Josep (Universitat Politècnica de Catalunya, 2019-05)
      Bachelor thesis
      Open Access
      Design and develpment a "original" system and low cost to measure the variations in the oscillation frequency and damping in the point of oscillation when bacteria grow in the surface of a quartz crystal.

    • Biometric applications related to human beings: there is life beyond security 

      Faúndez Zanuy, Marcos; Hussain, Amir; Mekyska, Jiri; Sesa Nogueras, Enric; Monte Moreno, Enrique; Esposito, Anna; Chetouani, Mohamed; Garre Olmo, Josep; Abel, Andrew; Smékal, Zdenek; Lopez-de-Ipina, Karmele (2013-03-01)
      Article
      Restricted access - publisher's policy
      The use of biometrics has been successfully applied to security applications for some time. However, the extension of other potential applications with the use of biometric information is a very recent development. ...

    • Biometría y refracción en grupo de estudiantes de secundaria 

      Planells Cardona, Sara (Universitat Politècnica de Catalunya, 2015-10-21)
      Bachelor thesis
      Open Access
      Objetivo: Analizar la relación existente entre diferentes parámetros obtenidos, a partir de la biometría como, por ejemplo, la relación centro-periferia y la LAX, además del radio corneal relacionando posteriormente estos ...

    • Boosting the chances to improve stroke treatment 

      Cobo Valeri, Erik; Secades, Julio; Miras, Francesc; González, José Antonio; Saver, Jeffrey L.; Corchero García, Cristina; Rius Carrasco, Roser; Dávalos, Antoni (2010-03)
      Article
      Open Access
      Background and Purpose—There is a lack of agreement regarding measuring the effects of stroke treatment in clinical trials, which often relies on the dichotomized value of 1 outcome scale. Alternative analyses consist ...

    • Comparación de fórmulas biométricas en el cálculo de lentes intraoculares mediante el uso biometría óptica 

      Gómez Lara, Francisco Javier (Universitat Politècnica de Catalunya, 2013-01)
      Master thesis
      Open Access
      La exactitud de las medidas biométricas oculares es decisiva para el cálculo de la potencia de la lente intraocular y, por lo tanto, de la previsión de los resultados refractivos tras la cirugía de cataratas A día de ...

    • Correlation between tobacco control policies, consumption of rolled tobacco and e-cigarettes, and intention to quit conventional tobacco, in Europe 

      Lidón-Moyano, Cristina; Martín Sánchez, Juan Carlos; Saliba, Patrick; Graffelman, Jan; Martínez Sánchez, Jose Maria (2016-02-17)
      Article
      Open Access

    • Covid-19: la malinterpretación de los datos de la pandemia daña la confianza del público 

      Saez Zafra, Marc; Figueiras Guzmán, Adolfo; Alustiza, Ainhoa; Fernández Martínez, Daniel; Cobo Valeri, Erik; Gómez Melis, Guadalupe; González Alastrué, José Antonio; Fonseca Casas, Pau; Cortés García, Claudio Ulises (2020-11-04)
      Article
      Open Access

    • Creació d'un sistema de reconeixement facial 

      Pladevall Morros, Jaume (Universitat Politécnica de Catalunya, 2020-01-16)
      Bachelor thesis
      Restricted access - confidentiality agreement

    • Deep learning for the development of biometric systems based on static signatures 

      Romero Díaz, Álvaro (Universitat Politècnica de Catalunya, 2019-04-24)
      Master thesis
      Restricted access - confidentiality agreement

    • Design of trials with composite endpoints with the R package compAREdesign 

      Cortés Martínez, Jordi; Bofill Roig, Marta; Gómez Melis, Guadalupe (2022-11-04)
      Article
      Open Access
      Composite endpoints are widely used as primary endpoints in clinical trials. Designing trials with time-to-event endpoints can be particularly challenging because the proportional hazard assumption usually does not hold ...

    • Detection and tracking of open eyes in video sequences 

      Aguilar Lillo, Rodrigo Andrés (Universitat Politècnica de Catalunya, 2016-10-28)
      Bachelor thesis
      Restricted access - author's decision
      The objective of this project is to detect eyes on the video footage and propose new applications such as controlled by the eye tracking or at an international security level computers, replace passports for this type of ...

    • 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 ...