Now showing items 1-20 of 41

  • 3D Pose Estimation of Visual Markers 

    Badal Regàs, Antonio (Universitat Politècnica de Catalunya, 2015-02-20)
    Bachelor thesis
    Open Access
    Covenantee:  Technische Universität Wien
    [ANGLÈS] The aim of this project is to understand, analyze, but also improve a computer vision software based on ARToolKitPlus. With a camera, this software looks for a visual marker (ARTag) and locates it in the space, ...
  • A Highest order hypothesis compatibility test for monocular SLAM 

    Guerra Paradas, Edmundo; Munguía Alcalá, Rodrigo Francisco; Bolea Monte, Yolanda; Grau Saldes, Antoni (2013-08)
    Article
    Open Access
    Simultaneous Location and Mapping (SLAM) is a key problem to solve in order to build truly autonomous mobile robots. SLAM with a unique camera, or monocular SLAM, is probably one of the most complex SLAM variants, based ...
  • A method to stabilise the performance of negatively fed KM3NeT photomultipliers 

    Adrian Martinez, Silvia; Ageron, M.; Aiello, S; Albert, A.; Ameli, F; Anassontzis, E.G.; André, Michel; et al., . (2016-12-19)
    Article
    Open Access
    The KM3NeT research infrastructure, currently under construction in the Mediterranean Sea, will host neutrino telescopes for the identification of neutrino sources in the Universe and for studies of the neutrino mass ...
  • Compact device for CO2 optical sensign using macroporous silicon photonic crystals 

    Vega, Didac; Rodríguez Martínez, Ángel; Calavia, Raül; Vilanova, Xavier; Todorov Trifonov, Trifon (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Restricted access - publisher's policy
    A photonic crystal based on a macroporous silicon structure has been fabricated and successfully used for the detection of carbon dioxide. In this paper, the device and the measurement results are presented. The sensing ...
  • Desenvolupament d'una eina de processat de senyal per a dades espectrals 

    Garrido Luque, Oscar (Universitat Politècnica de Catalunya, 2009-01-21)
    Master thesis (pre-Bologna period)
    Open Access
    L’aigua és el recurs per viure més important del planeta Terra, cobrint més del 70% de la seva superfície. Concretament, els oceans representen més del 97% de l’aigua total del planeta i és on concentra el 99,5% del ...
  • Desenvolupament d'un sistema de control i mesura de sensors integrats 

    Martínez Borràs, Juan Antonio (Universitat Politècnica de Catalunya, 2016-09-28)
    Master thesis (pre-Bologna period)
    Open Access
    The most currently used sensors for gas detection are those based in semiconductors. Apart from the features that make them suitable for the detection of gasses in the range of parts per million, their simplicity and ...
  • Detección automática de personas mediante láser 2D y su aplicación a la robótica de servicios 

    Herrero Cotarelo, Fernando (Universitat Politècnica de Catalunya, 2012-05)
    Master thesis (pre-Bologna period)
    Open Access
    En el marco del proyecto europeo URUS (Ubiquitous Networking Robotics in Urban Settings [10][1]) el IRI (Institut de Robótica i Informática Industrial [11]) trabaja con plataformas robóticas móviles que cooperan con ...
  • Development of a setup to measure photoconductivity of GeSn 

    Roset i Julià, Laura (Universitat Politècnica de Catalunya, 2019-07-12)
    Bachelor thesis
    Open Access
    Covenantee:  École polytechnique fédérale de Lausanne
    Esta tesis se focaliza en el diseño y desarrollo de un equipo para mesurar la fotoconductividad del GeSn. El equipo consiste en una lámpara de halógeno y tungsteno, un monocromador, un espejo parabólico y un circuito óptico ...
  • Digital coherent transceiver for optical communications: from design to implementation 

    Anzuola Valencia, Esdras (Universitat Politècnica de Catalunya, 2012-02)
    Master thesis
    Open Access
    [ANGLÈS] In this project we analyze the theoretical models of optical coherent communication systems as well as the front-end arquitectures used to implement them. Key concepts as balanced photo detection and quantum limit ...
  • Dimensionless parameters for lidar performance characterization 

    Comerón Tejero, Adolfo; Agishev, Ravil R. (SPIE, 2014)
    Conference report
    Restricted access - publisher's policy
    A set of three dimensionless parameters is proposed to characterize lidar systems. Two of them are based on an asymptotic approximation of the output signal-to-noise ratio as a function of the input optical power reaching ...
  • Diseño, construcción y procesado de señal en receptor coherente para redes de fibra óptica 

    Grau Jurado, Pol (Universitat Politècnica de Catalunya, 2018-05)
    Bachelor thesis
    Open Access
    Due to the technologies improvement, there has been a huge growth in the demand for bandwidth to support the numerous current and future digital services. In order to support this bandwidth increase, there has been a massive ...
  • E‐bio’s control system using kinect device 

    Chavez-Ferrer Marcos, Sebastian (Universitat Politècnica de Catalunya / Keio University, 2011)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    Nowadays people in society are demanding an increase in the security and comfort of their homes and at the same time saving money and time. If we would like to achieve this aim, we have to improve our efficiency applying ...
  • Effect of light and hydrostatic pressure on properties of optical oxygen sensors 

    Martínez Vidal, Laura (Universitat Politècnica de Catalunya / Technische Universität Graz, 2014)
    Master thesis (pre-Bologna period)
    Open Access
    The aim of this project was the testing of the stability of different sensor materials under harsh conditions. To attain this objective, two main courses of study have been followed. The first part of the thesis focuses ...
  • Estudio de estructuras de cristal fotónico de silicio macroporoso para sensores de gas 

    Ferreiro Pareja, Sergio (Universitat Politècnica de Catalunya, 2012-04-20)
    Master thesis (pre-Bologna period)
    Open Access
    [ANGLÈS] The band structure of photonic crystals offers many possibilities for the manipulation of electromagnetic waves. In recent years, research has been primarily focused on possible applications that these crystals ...
  • Estudio del rango de funcionamiento de un receptor óptico coherente con dsp respecto a variaciones de la polarización 

    Torné Chertó, Josep (Universitat Politècnica de Catalunya, 2018-06)
    Bachelor thesis
    Open Access
    The knowledge of the variations of the polaritzation of the transmitted signal in reception has become a main issue in optical fibre transmissions since the implementation of the coherent detection. Coherent detection needs ...
  • Fabricación de dispositivos fotónicos integrados 

    Granados Martín, Javier (Universitat Politècnica de Catalunya, 2017-10)
    Bachelor thesis
    Open Access
    The project consists of the design and manufacture of photonic crystals based on macroporous silicon. By means of a lithography we can engrave a pattern on the substrate of the silicon wafers in which we will mark the place ...
  • Fire detection and prediction with image processing on a UAV platform 

    Mimoun Abderrahaman, Fuad (Universitat Politècnica de Catalunya, 2014-06)
    Bachelor thesis
    Restricted access - confidentiality agreement
  • Funció no lineal òptima per una fotodetecció Gaussiana 

    Jiménez Conesa, Alejandro (Universitat Politècnica de Catalunya, 2008)
    Master thesis (pre-Bologna period)
    Open Access
    En els sistemes de comunicacions òptiques amb amplificació òptica, l’estadística de les mostres sorolloses rebudes no és Gaussiana estacionària a l’entrada de l’equalitzador. Aquest fet és degut a l’efecte de la llei ...
  • Highly Sensitive, Encapsulated MoS2 Photodetector with Gate Controllable Gain and Speed 

    Kufer, Dominik; Konstantatos, Gerasimos (ACS, 2015-10-26)
    Article
    Restricted access - publisher's policy
    Semiconducting, two-dimensional molybdenum disulfide (MoS2) is considered a promising new material for highly sensitive photodetection, because of its atomically thin profile and favorable bandgap. However, reported ...
  • Intelligent Data Analysis of Wind Profiles 

    Aguilera Sarez, Raúl (Universitat Politècnica de Catalunya, 2015-05)
    Master thesis (pre-Bologna period)
    Restricted access - confidentiality agreement