Now showing items 41-60 of 118

  • Estudi, modelació i síntesi sobre FPGA d'un sistema de detecció de contorns per a imatges HDR 

    Orduña Just, Núria (Universitat Politècnica de Catalunya, 2012-06-26)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Concordia University
    [ENGLISH] The purpose of this study was to perform the hardware description in VHDL language of an Edge Detection system based in Sobel operator and Multifiltering for a Virtex-5 FPGA. The procedure of the algorithm was ...
  • Estudio e implementación de algoritmos de resolución del juego del dominó para un robot antropomórfico 

    Villegas Tres, Pau (Universitat Politècnica de Catalunya, 2014-06-26)
    Bachelor thesis
    Open Access
  • Estudio y desarrollo de un interfaz para la obtención de la señal de tally proveniente de un mezclador de vídeo 

    Pacheco García, Víctor (Universitat Politècnica de Catalunya, 2019-07-15)
    Bachelor thesis
    Open Access
    El presente trabajo se ha implementado un sistema que permite obtener la señal de tally de un mezclador de vídeo ATEM de Blackmagic Design y mostrarla en tiempo real en forma de indicador luminoso. Dicha señal va a permitir ...
  • Etiquetas ópticas identificativas invariantes a deformaciones de perspectiva y distorsión 

    Horrillo, Sergi; Pérez Cabré, Elisabet; Millán Garcia-Varela, M. Sagrario; Javidi, Bahram (2009)
    Conference lecture
    Open Access
  • Event video retrieval using global and local descriptors in visual domain 

    Roldan-Carlos, Jennifer; Lux, Mathias; Giró Nieto, Xavier; Muñoz Trallero, Pia; Anagnostopoulos, Nektarios (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference lecture
    Open Access
    With the advent of affordable multimedia smart phones, it has become common that people take videos when they are at events. The larger the event, the larger is the amount of videos taken there and also, the more videos ...
  • Expert system for automated selection of local trajectories in diffusion MRI images 

    Frau Pascual, Aina (Universitat Politècnica de Catalunya, 2012-06-26)
    Master thesis (pre-Bologna period)
    Restricted access - confidentiality agreement
  • Extracción automática de caras en imágenes captadas con móviles Android 

    Delgado Rodríguez, Miguel (Universitat Politècnica de Catalunya, 2012-06-25)
    Master thesis (pre-Bologna period)
    Open Access
    Estudi i implementació de la detecció de cares en imatges primerament en un entorn de PC i finalment aplicar aquest coneixement en la implementació d'una aplicació en el sistema operatiu Android.
  • Federated Search Scalability 

    Txurruka Alberdi, Beñat (Universitat Politècnica de Catalunya, 2015-04-29)
    Master thesis
    Open Access
    The search of images on the internet has become a natural process for the internet surfer. Most of the search engines use complex algorithms to look up for images but their metadata is mostly ignored, in part because ...
  • Fotografia d'alt rang dinàmic (HDR) 

    Turull Mallofré, Aina (Universitat Politècnica de Catalunya, 2015-06-25)
    Bachelor thesis
    Open Access
    La tècnica de la fotografia d’alt rang dinàmic (HDR) s’utilitza per recuperar informació d’imatges molt contrastades. Aquesta tècnica consisteix en la superposició d’imatges d’una mateixa escena amb diferents exposicions ...
  • FPGA implementation of a contrast enhancement algorithm with discriminative filtering 

    Olivé Muñiz, Roger (Universitat Politècnica de Catalunya / Concordia University, 2013-07-18)
    Bachelor thesis
    Open Access
    Covenantee:  Concordia University. Faculty of Engineering and Computer Science
    [ANGLÈS] This project is the continuation of a research work focused on improving the current popular techniques for contrast enhancement in images. There are stills produced under very poor acquisition conditions, such ...
  • From pixels to sentiment: fine-tuning CNNs for visual sentiment prediction 

    Campos Camunez, Victor; Jou, Brendan; Giró Nieto, Xavier (2017-02-05)
    Article
    Restricted access - publisher's policy
    Visual multimedia have become an inseparable part of our digital social lives, and they often capture moments tied with deep affections. Automated visual sentiment analysis tools can provide a means of extracting the rich ...
  • GOS: búsqueda visual de imágenes 

    Cortés Yuste, Silvia; Giró Nieto, Xavier; Marqués Acosta, Fernando (2010-04-21)
    Article
    Open Access
    No es fácil encontrar aquello que buscamos. Los sistemas de búsqueda automatizados son máquinas que deben interpretar la información introducida por el usuario para ejecutar una petición y recuperar la información ...
  • GPU-based low-level image processing for object recognition using HDR images 

    Dominguez Tejera, Jonatan (Universitat Politècnica de Catalunya / Karlsruher Institut für Technology, 2012-06-15)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Karlsruher Institut für Technologie
    [ANGLÈS] The algorithm developed for object recognition using HDR images is divided in 3 modules. The first one obtain images without noise from the scene using a fusion method, which one is based on the pdf of each pixel ...
  • Graph indexing and retrieval based on graph prototypes 

    Cortés Llosa, Xavier (Universitat Politècnica de Catalunya, 2012-06-22)
    Master thesis
    Open Access
    [ANGLÈS] Taking a query from a high number of data stored into a database, as fast as possible, is a recurrent problem in the field of computer sciences practically since its origins. At the existence of this problem, it’s ...
  • Hierarchical navigation and visual search for video keyframe retrieval 

    Ventura Royo, Carles; Martos Asensio, Manuel; Giró Nieto, Xavier; Vilaplana Besler, Verónica; Marqués Acosta, Fernando (Springer Verlag, 2012)
    Conference lecture
    Open Access
    This work presents a browser that supports two strategies for video browsing: the navigation through visual hierarchies and the retrieval of similar images. The input videos are firstly processed by a keyframe extractor ...
  • Hierarchical object detection with deep reinforcement learning 

    Bellver Bueno, Míriam; Giró Nieto, Xavier; Marqués Acosta, Fernando; Torres, Jordi (2016)
    Conference lecture
    Open Access
    We present a method for performing hierarchical object detection in images guided by a deep reinforcement learning agent. The key idea is to focus on those parts of the image that contain richer information and zoom on ...
  • Identificació de la wolframita a partir de pixels mitjançant Machine Learning 

    Abril Soler, Toni (Universitat Politècnica de Catalunya, 2017-07)
    Bachelor thesis
    Restricted access - author's decision
    Cada vegada més, es persegueix aconseguir millores d’eficiència i l’abaratiment de qualsevol tasca a realitzar dins d’una empresa, amb l’objectiu de ser més competitiu al mercat i sobretot, anar per davant a la teva ...
  • Image-Based Floor Segmentation in Visual Inertial Navigation 

    Casas Barceló, Guillem (Universitat Politècnica de Catalunya / Kungl. Tekniska högskolan, 2012-11)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Kungliga Tekniska högskolan
    [ANGLÈS] Floor segmentation is a challenging problem in image processing. It has a wide range of applications in the engineering field. In mobile robot navigation systems, detecting which pixels belong to the floor is ...
  • Image Processing Software developed with MATLAB® (Graphic Design Software - GDS) 

    Guerrero Pueyo, Llorenç (Universitat Politècnica de Catalunya, 2015-07)
    Master thesis
    Open Access
    The present master’s thesis describes the definition and development of the Graphic Design Software or GDS, conceived as an application for image processing and implemented with MATLAB®. The GDS is intended to provide ...
  • Image reconstruction and restoration for optical flow-based super resolution 

    Rivero Alfonso, Daniel (Universitat Politècnica de Catalunya, 2012-04-18)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Technicolor
    [ANGLÈS] Use of the inpainting technique to reconstruct an image after applying registration in the multi-frames input. Use of restoration methods to increment the resolution of the reconstructed image.