Now showing items 21-40 of 85

  • Designing CDIO capstone projects: a systems thinking approach 

    Alarcón Cot, Eduardo José; Bou Balust, Elisenda; Camps Carmona, Adriano José; Bragós Bardia, Ramon; Oliveras Vergés, Albert; Pegueroles Vallés, Josep R.; Sayrol Clols, Elisa; Marqués Acosta, Fernando (2013)
    Conference report
    Open Access
    Given the all-pervasiveness of Systems thinking -which consists of thinking about things as systemsas a way of reasoning, in this work we will describe its application to make an interpretation of how to conceive and ...
  • Detección automática de contornos en imágenes ecocardiográficas 

    Gasull Llampallas, Antoni; Marqués Acosta, Fernando; Sallent Ribes, Sebastián; Torres Urgell, Lluís; Vidal Sans, Josep (Asociación Española de Reconocimiento de Formas y Análisis de Imágenes, 1988)
    Conference report
    Open Access
  • Diversity ranking for video retrieval from a broadcaster archive 

    Giró Nieto, Xavier; Alfaro Vendrell, Mónica; Marqués Acosta, Fernando (2011)
    Conference lecture
    Open Access
    Video retrieval through text queries is a very common practice in broadcaster archives. The query keywords are compared to the metadata labels that documentalists have previously associated to the video assets. This ...
  • Elaboració de materials transversals per a l'aprenentatge actiu de les matèries de processat d'imatge i vídeo pels graus de sistemes audiovisuals i de telecomunicacions 

    Vilaplana Besler, Verónica; Casas Pla, Josep Ramon; Gasull Llampallas, Antoni; Marqués Acosta, Fernando; Morros Rubió, Josep Ramon; Pardàs Feliu, Montse; Ruiz Hidalgo, Javier; Salembier Clairon, Philippe Jean (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2013-02-08)
    Conference report / Conference lecture
    Open Access
    La finalitat del projecte ha estat promoure la col·laboració i coordinació entre les diverses assignatures de processat d'imatge i vídeo impartides per professors del Departament de TSC, als graus de telecomunicacions ...
  • El "Espacio Innovador" y la red 

    Jofre Roca, Lluís; Solé Parellada, Francesc; Sabaté i Garriga, Ferran; Berenguer Sau, Jordi; Marqués Acosta, Fernando; Romeu Robert, Jordi; Torres Viñals, Jordi (Cátedra Telefónica-UPC, 2005-11)
    Book
    Open Access
  • El 'Profesional Innovador' y la red 

    Jofre Roca, Lluís; Solé Parellada, Francesc; Sabaté i Garriga, Ferran; Marqués Acosta, Fernando; Romeu Robert, Jordi; Torres Viñals, Jordi (Cátedra Telefónica-UPC, 2004-12)
    Book
    Open Access
  • GAT, a Graphical Annotation Tool for semantic regions 

    Giró Nieto, Xavier; Camps Hernando, Neus; Marqués Acosta, Fernando (2009-10-26)
    Article
    Open Access
    This article presents GAT, a Graphical Annotation Tool based on a region-based hierarchical representation of images. The proposed solution uses Partition Trees to navigate through the image segments which are automatically ...
  • General requirements for coding oriented segmentation of video-sequences 

    Marqués Acosta, Fernando; Pardàs Feliu, Montse; Salembier Clairon, Philippe Jean; Meyer, F (1997-08)
    Article
    Restricted access - publisher's policy
    This paper deals with the basic requirements that should be fulfilledby a technique for segmenting video sequences in coding applications. The specific problems of coding-oriented video segmentation are analyzed. This way ...
  • 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 ...
  • Hierarchical fusion of color and depth information at partition level by cooperative region merging 

    Calderero Patino, Felipe; Marqués Acosta, Fernando (2009)
    Conference report
    Open Access
    A high level scheme for information fusion to create hierarchical region-based image representations based on a region merging process is presented. The strategy is based on an iterative evolution where the different ...
  • 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, 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 ...
  • Hierarchical object detection with deep reinforcement learning 

    Bellver, Míriam; Giró Nieto, Xavier; Marqués Acosta, Fernando; Torres Viñals, Jordi (IOS Press, 2017-11-23)
    Part of book or chapter of book
    Restricted access - publisher's policy
    Deep learning and image processing are two areas of great interest to academics and industry professionals alike. The areas of application of these two disciplines range widely, encompassing fields such as medicine, robotics, ...
  • Hierarchical segmentation of vegetation areas in high spatial resolution images by fusion of multispectral information 

    Calderero Patino, Felipe; Marqués Acosta, Fernando; Marcello, Javier; Eugenio, Francisco Javier (2009)
    Conference report
    Open Access
    A new region-based methodology for the automated extraction and hierarchical segmentation of vegetation areas into high spatial resolution images is proposed. This approach is based on the iterative and cooperative ...
  • Human face segmentation and tracking using connected components and partition projection 

    Marqués Acosta, Fernando; Vilaplana Besler, Verónica; Buxes, A (Institute of Electrical and Electronics Engineers (IEEE), 1999)
    Conference report
    Open Access
    A new technique for segmenting and tracking human faces in video sequences is presented. The algorithm uses a connected operator to extract the connected component that more likely belongs to a face. Such a connected ...
  • Improving retrieval accuracy of Hierarchical Cellular Trees for generic metric spaces 

    Ventura Royo, Carles; Vilaplana Besler, Verónica; Giró Nieto, Xavier; Marqués Acosta, Fernando (2013-09)
    Article
    Restricted access - publisher's policy
    Abstract Metric Access Methods (MAMs) are indexing techniques which al- low working in generic metric spaces. Therefore, MAMs are specially useful for Content-Based Image Retrieval systems based on features which use ...
  • Interpolation and extrapolation of image partitions using Fourier descriptors: application to segmentation-based coding schemes 

    Marqués Acosta, Fernando; Llorens, Bernat; Gasull Llampallas, Antoni (. S.N., 1995)
    Conference report
    Open Access
    This paper presents an interpolation/extrapolation technique for sequence partitions. It consists of four steps: region parametrization, region interpolation, region ordering and partition creation. The evolution of each ...
  • Matehematic morphology approach for renal biopsy analysis 

    Marqués Acosta, Fernando; Cuberas, Gemma; Gasull Llampallas, Antoni; Seron, Daniel; Moreso, Francesc; Joshi, Nayana (Institute of Electrical and Electronics Engineers (IEEE), 2004)
    Conference report
    Restricted access - publisher's policy
    This paper proposes a new technique for the analysis of renal biopsies stained with Sirius red and digitized under non-polarized light. The renal interstitial space, the cortex area and the tubules should be segmented to ...
  • Materials transversals per a l'aprenentatge actiu de les matèries de processat d'imatge i vídeo 

    Morros Rubió, Josep Ramon; Vilaplana Besler, Verónica; Ruiz Hidalgo, Javier; Casas Pla, Josep Ramon; Gasull Llampallas, Antoni; Marqués Acosta, Fernando; Pardàs Feliu, Montse; Salembier Clairon, Philippe Jean (2014)
    Conference report
    Open Access
    Aquest treball vol promoure la col·laboració i coordinació entre assignatures de processat d'imatge/vídeo amb l’objectiu de potenciar els resultats en l'aprenentatge. Les principals contribucions son a) la creació d’un ...
  • Measures and meta-measures for the supervised evaluation of image segmentation 

    Pont Tuset, Jordi; Marqués Acosta, Fernando (IEEE Computer Society Publications, 2013)
    Conference report
    Open Access
    This paper tackles the supervised evaluation of image segmentation algorithms. First, it surveys and structures the measures used to compare the segmentation results with a ground truth database, and proposes a new measure: ...