Now showing items 21-40 of 249

    • 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 ...
    • Aportación a la automatización en la toma de medidas y procesado de datos sobre modelos fotoelásticos y optomecánicos 

      Marimón Carvajal, Federico (Universitat Politècnica de Catalunya, 1988-07-05)
      Doctoral thesis
      Open Access
      Se describen los principios de medida operativos para un banco fotoelástico automatizado basado en la adquisición de la imagen en una cámara CCD, digitalización en 256 niveles y 512x512 píxel, y su procesado con algoritmos ...
    • 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 ...
    • Applications for chronic liver diseases 

      Fornaguera i Castro, Nagore; Rodríguez Ruiz, Núria (Universitat Politècnica de Catalunya, 2019-07-01)
      Bachelor thesis
      Restricted access - author's decision
      Automation in healthcare is necessary to improve efficiency and productivity. Researchers deal with many time-consuming tasks which directly affect their daily work. This project arises from the need of the fat-free muscle ...
    • Applications for chronic liver diseases : design and implementation of an application for the diagnosis of patients in an advanced stage of cirrosis 

      Val Guardiola, Inés Del (Universitat Politècnica de Catalunya, 2019-07-08)
      Bachelor thesis
      Restricted access - author's decision
      Currently, cirrhosis is a disease with a high mortality rate becoming among the 14th and 4th main causes of death globally and in Central Europe respectively. In order to decrease this number of mortality, researchers from ...
    • Applications for chronic liver diseases : design and implementation of an application for the diagnosis of patients in an advanced stage of cirrosis 

      De La Torre Gutiérrez, Cristina (Universitat Politècnica de Catalunya, 2019-07-08)
      Bachelor thesis
      Restricted access - author's decision
      Currently, cirrhosis is a disease with a high mortality rate becoming among the 14th and 4th main causes of death globally and in Central Europe respectively. In order to decrease this number of mortality, researchers from ...
    • Applying fuzzy logic in video surveillance systems 

      Molina, José Manuel; García, Jesús; Pérez, Oscar; Carbó, Javier; Berlanga, Antonio; Portillo García, Javier Ignacio (2005)
      Article
      Open Access
      In this work, the application of fuzzy logic in surveillance systems based on cameras is Analyzed. Three different fuzzy systems have been tested and compared with a crisp decision system. The first one has been developed ...
    • AR Natural Feature. Sistema de tracking sin etiquetas 

      Navarro Muncunill, Javier (Universitat Politècnica de Catalunya, 2009-09-16)
      Master thesis
      Restricted access - confidentiality agreement
    • Arbre de partition binaire: Un nouvel outil pour la représentation hiérarchique et l’analyse des images hyperspectrales 

      Valero, Silvia; Salembier Clairon, Philippe Jean; Chanussot, Jocelyn (2011)
      Conference report
      Restricted access - publisher's policy
      This problem discusses here is the hierarchical representation and processing of the hyperspectral imaging. In this framework, Binary Partition Trees (BPTs) are proposed as new hierarchical region-based representation. ...
    • Automatic keyframe selection based on mutual reinforcement algorithm 

      Ventura Royo, Carles; Giró Nieto, Xavier; Vilaplana Besler, Verónica; Giribet, Daniel; Carasusan, Eusebio (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      This paper addresses the problem of video summarization through an automatic selection of a single representative keyframe. The proposed solution is based on the mutual reinforcement paradigm, where a keyframe is selected ...
    • 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 ...
    • BoVDW: Bag-of-Visual-and-Depth-Words for gesture recognition 

      Hernandez Vela, Antonio; Bautista, Miguel Angel; Perez-Sala, Xavier; Ponce, Víctor; Baró, Xavier; Pujol, Oriol; Angulo Bahón, Cecilio; Escalera, Sergio (2012)
      Conference report
      Restricted access - publisher's policy
      We present a Bag-of-Visual-and-Depth-Words (BoVDW) model for gesture recognition, an extension of the Bag-of-Visual-Words (BoVW) model, that benefits from the multimodal fusion of visual and depth features. State-of-the-art ...
    • Brain MRI super-resolution using generative adversarial networks 

      Sánchez, Irina; Vilaplana Besler, Verónica (2018)
      Conference lecture
      Open Access
      In this work we propose an adversarial learning approach to generate high resolution MRI scans from low resolution images. The architecture, based on the SRGAN model, adopts 3D convolutions to exploit volumetric information. ...
    • 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 ...
    • Calibratge de càmeres digitals per sistemes aeris 

      Pou Sánchez, Carles (Universitat Politècnica de Catalunya, 2012-06-22)
      Bachelor thesis
      Open Access
      Una de les amenaces principals pel medi ambient actualment són els incendis, aquests moltes vegades degut a la perillositat són difícils de sobrevolar i fer-ne un reconeixement. És per això que el grup ICARUS, un equip ...
    • 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 ...
    • Caracterització de textures sobre núvols de punts 

      Solà Roca, Joan (Universitat Politècnica de Catalunya, 2017-06)
      Bachelor thesis
      Open Access
      La principal finalitat del treball és poder filtrar núvols de punts de forma automàtica creats a partir del mètode fotogramètric amb el programari lliure “CloudCompare” i el seu pluguin “CANUPO” un programari que només ...