Now showing items 1-20 of 122

  • Accelerating boosting-based face detection on GPUs 

    Oro, David; Fernández, Carles; Segura, Carlos; Martorell Bofill, Xavier; Hernando Pericás, Francisco Javier (2012)
    Conference report
    Restricted access - publisher's policy
    The goal of face detection is to determine the presence of faces in arbitrary images, along with their locations and dimensions. As it happens with any graphics workloads, these algorithms benefit from data-level ...
  • A deep analysis on age estimation 

    Huerta Casado, Iván; Fernandez Tena, Carles; Segura, Carlos; Hernando Pericás, Francisco Javier; Prati, Andrea (2015-12-15)
    Article
    Open Access
    The automatic estimation of age from face images is increasingly gaining attention, as it facilitates applications including advanced video surveillance, demographic statistics collection, customer profiling, or search ...
  • A feature-based subband coding scheme 

    Casas Pla, Josep Ramon; Torres Urgell, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 1996)
    Conference report
    Restricted access - publisher's policy
    A feature-based subband coding scheme is presented. It is intended for the coding of the texture component of a two-component image model. The primary component contains the strong edges, individually described by their ...
  • Algoritmos de clasificacion de contenido visual 

    Raventós, Arnau; Mur, Olga; Martin Cirera, Albert; Quijada Ferrero, Raúl; Tarrés Ruiz, Francisco; Torres Urgell, Lluís (2012-06-26)
    External research report
    Restricted access - confidentiality agreement
    Entregable E.3.2.1.
  • Anàlisi audiovisual mitjançant descriptors MPEG-7 

    Bosch Anglarill, Enric (Universitat Politècnica de Catalunya, 2006-02-24)
    Master thesis (pre-Bologna period)
    Open Access
  • Anàlisi de tècniques de processament d'imatge en un sistema de detecció d'incendis forestals 

    Delgado Treviño, Sergi (Universitat Politècnica de Catalunya, 2013-05-27)
    Master thesis (pre-Bologna period)
    Open Access
    [ANGLÈS] In this work, two different image processing techniques are compares to detect foreground objects in a scene. In addition, these techniques are compared in a wildfire detection system
  • Analysis of Invariant Motion Components in Dynamic Video Content 

    Molina Leiva, Jose Antonio (Universitat Politècnica de Catalunya, 2011-07-12)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  École polytechnique fédérale de Lausanne
    English: The fast expansion of Internet and DVB channels has brought a fast increase of video footage which needs to be indexed for efficient and easy retrieval. A novel video structural dissimilarity metric based on ...
  • An application oriented short course in image recognition 

    Tarrés Ruiz, Francisco; Bertran Albertí, Eduardo; Montoro López, Gabriel; Barbosa de Souza, Alisson (1998)
    Conference report
    Open Access
    An experimental course on Digital Image Processing and Recognition, together with its associated implementation, are described. The program is a user-friendly interface running under Matlab 4.0, which allows easy-control ...
  • An EEG-based neural decoding approach for investigating statistical learning between modalities 

    Duato Catalán, Daniel (Universitat Politècnica de Catalunya, 2018-10)
    Master thesis
    Open Access
    We researched cross-modal statistical learning conducting to experiments: a behavioural one and a neuroimaging one. In the analysis of the later we used neural decoding with temporal generalization.
  • A new algorithm for number of holes attribute filtering of grey-level images 

    Climent Vilaró, Joan; Oliveira, Luiz S (2015-02-01)
    Article
    Open Access
    In this paper we present a new algorithm for filtering a grey-level image using as attribute the number of holes of its connected components. Our approach is based on the max-tree data structure, that makes it possible to ...
  • Antiextensive connected operators for image and sequence processing 

    Salembier Clairon, Philippe Jean; Oliveras Vergés, Albert; Garrido Ostermann, Luis (1998-04)
    Article
    Open Access
    This paper deals with a class of morphological operators called connected operators. These operators filter the signal by merging its flat zones. As a result, they do not create any new contours and are very attractive for ...
  • Antipodally invariant metrics for fast regression-based super-resolution 

    Pérez-Pellitero, Eduardo; Salvador, Jordi; Ruiz Hidalgo, Javier; Rosenhahn, Bodo (2016-03-31)
    Article
    Open Access
    Dictionary-based super-resolution (SR) algorithms usually select dictionary atoms based on the distance or similarity metrics. Although the optimal selection of the nearest neighbors is of central importance for such ...
  • Aportacions de processament d'imatge per a sistemes de codificació 3D multivista i per a la detecció de text en contingut televisiu 

    Farré Guiu, Miquel Angel (Universitat Politècnica de Catalunya, 2011-07-04)
    Master thesis (pre-Bologna period)
    Open Access
    English: Firstly, in this report we will introduce a new method for 3D multiview video coding.This is based on the synthesis of views. This method allows the transmission of a number of views from the scene which is less ...
  • Application of radio environment maps for dynamic broadband access in TV bands in urban areas 

    Kliks, Adrian; Kryszkiewicz, Pawel; Umbert Juliana, Anna; Pérez Romero, Jordi; Casadevall Palacio, Fernando José; Kulacz, Lukasz (Institute of Electrical and Electronics Engineers (IEEE), 2017-09-09)
    Article
    Open Access
    Spectrum sharing based on the dedicated databases, particularly in the context of TV band, is widely considered as a promising tool for better spectrum utilization in the future wireless networks. Practical realization of ...
  • AR Natural Feature. Sistema de tracking sin etiquetas 

    Navarro Muncunill, Javier (Universitat Politècnica de Catalunya, 2009-09-16)
    Master thesis
    Restricted access - confidentiality agreement
  • Barcelona interactiva: caso de estudio, para la creación de una plataforma interactiva de proyectos destacados de Barcelona. 

    Corso Sarmiento, Juan Manuel (2011-11-14)
    External research report
    Open Access
    Material docent, cas d'estudi: Pabelló Alemany, disenyat per Ludwig Mies van der Rohe (1886-1969) per a l'Exposició Internacional de Barcelona de 1929.
  • Basis Decomposition Discriminant ICA 

    Tabas Díaz, Alejandro (Universitat Politècnica de Catalunya, 2013-09-09)
    Master thesis
    Open Access
    In this Master's Thesis, we introduce the methodology Basis-Decomposition Discriminant ICA (BD-DICA), capable of finding the most discriminant Independent Components to characterise a high-dimensional dataset. The ...
  • Búsqueda visual con retroacción de relevancia basada en actualización de pesos 

    Rubiano Márquez, Aida (Universitat Politècnica de Catalunya, 2011-03-09)
    Master thesis (pre-Bologna period)
    Open Access
    Català: Aquest projecte presenta el disseny i implementació de diferents tècniques amb Retroacció de Rellevància per cerques amb imatges. Aquestes tècniques utilitzen la interacció de l'usuari amb els resultats d'una cerca ...
  • Calculation of 3D-stereo features for audiovisual speech recognition 

    Garcia-Vaquero Millan, Ignacio (Universitat Politècnica de Catalunya, 2009-02-17)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    Covenantee:  Technische Universität Berlin
    La intención final es la de conseguir un sistema a tiempo real capaz de extraer características visuales 3D, procesarlas y utilizarlas de modo que el sistema de reconocimiento de audio que actualmente desarrolla el ...
  • Calibration of Images with 3D range scanner data 

    Adalid López, Víctor Javier (Universitat Politècnica de Catalunya, 2009-06)
    Master thesis (pre-Bologna period)
    Open Access
    3D laser range scanners are used in extraction of the 3D data in a scene. Main application areas are architecture, archeology and city planning. Thought the raw scanner data has a gray scale values, the 3D data can be ...