Now showing items 1-20 of 60

    • 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 ...
    • Algorithms for B wave detection 

      Ramon Maldonado, Eduard (Universitat Politècnica de Catalunya, 2013-04-09)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Rheinisch-Westfälische Technische Hochschule Aachen
      [ANGLÈS] The objective of this Master Thesis was to develop algorithms for B waves detection in ICP. This goal was approached by two different methods that depend basically in the resolution of the acquired ICP. Then, both ...
    • 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 : nociones sobre este método de investigación en genética 

      Nagore, Daniel (Dirección General de Agricultura, Servicio de Publicaciones Agrícolas, 1941)
      Book
      Open Access
    • Biometría femoral: Curva diafisaria y longitud anatómica. Estudio de las correlaciones. 

      Casteleiro González, R.; Castaño Zapatero, C.; San Martín Martínez, A.; Gómez Pellico, L.; Rodríguez Torres, R. (Sociedad Ibérica de Biomecánica y Biomateriales, 1995)
      Article
      Open Access
      Estudiamos la relación entre las longitudes anatómicas del fémur y la curvatura en el plano sagital, para lo que hemos medido en 30 fémures humanos secos y pertenecientes a individuos adultos las lóngitudes anatómicas ...
    • 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 ...
    • Composite endpoints in clinical trials : computational tools, practical guidelines and methodological extensions 

      Gómez-Mateu, Moisés (Universitat Politècnica de Catalunya, 2016-06-30)
      Doctoral thesis
      Open Access
      The conclusions from randomized clinical trials (RCT) rely on the primary endpoint (PE), which is chosen at the design stage of the study; thus, it is of utmost importance to select it appropriately. In RCT, there should ...
    • 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 ...