Now showing items 1-11 of 11

    • A Real-Time Multiple Description Coding System 

      Bermejo Plana, Manuel (Universitat Politècnica de Catalunya, 2010-01-22)
      Master thesis
      Open Access
    • An automatic audio classification system for radio newscast 

      Dimattia, Giuseppe (Universitat Politècnica de Catalunya, 2008-03)
      Master thesis (pre-Bologna period)
      Open Access
      Current web search engines generally do not enable searches into audio files. Informative metadata would allow searches into audio files, but producing such metadata is a tedious manual task. Tools for automatic production ...
    • Anàlisi i proves de DASH (Dynamic Adaptive Streaming over HTTP) 

      Padilla Carrasco, Daniel (Universitat Politècnica de Catalunya, 2012-06-22)
      Bachelor thesis
      Open Access
      En els últims anys hem viscut un creixement exponencial d’Internet i la generalització de l’accés a la xarxa a través de terminals mòbils, que permeten a l’usuari rebre fluxos audiovisuals en streaming. En paral•lel, la ...
    • Color based image classification and description 

      Laencina Verdaguer, Sergi (Universitat Politècnica de Catalunya, 2009-10-20)
      Master thesis
      Open Access
    • Comparison of MPEG-7 descriptors for long term selection of reference frames 

      Ruiz Hidalgo, Javier; Salembier Clairon, Philippe Jean (2009)
      Conference lecture
      Open Access
      During the last years, the amount of multimedia content has greatly increased. This has multiplied the need of efficient compression of the content but also the ability to search, retrieve, browse, or filter it. Generally, ...
    • Compressió de vídeo multivista utilitzant indexació d'imatges amb el descriptor Color Layout Descriptor d'MPEG-7 

      Guerrero Llobera, Gerard (Universitat Politècnica de Catalunya, 2010-04-28)
      Master thesis (pre-Bologna period)
      Open Access
    • 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 ...
    • Interoperable digital rights management based on the MPEG Extensible Middleware 

      Rodríguez Doncel, Víctor; Delgado Mercè, Jaime; Chiariglione, Filippo; Preda, Marius; Timmerer, Christian (2011)
      Article
      Restricted access - publisher's policy
      This paper describes an interoperable Digital Rights Management architecture promoted by the MPEG standardization group in its new standard known as MPEG-M or MPEG Extensible Middleware (MXM). The goal of this standard ...
    • Region-based annotation tool using partition trees 

      Giró Nieto, Xavier; Camps Hernando, Neus; Marqués Acosta, Fernando (CEUR Workshop Proceedings, 2007)
      Conference lecture
      Open Access
      This paper presents an annotation tool for the manual and region-based annotation of still images. The selection of regions is achieved by navigating through a Partition Tree, a data structure that offers a multiscale ...
    • Rich internet application for semi-automatic annotation of semantic shots on keyframes 

      Carcel, Elisabet; Martos, Manuel; Giró Nieto, Xavier; Marqués Acosta, Fernando (Springer Verlag, 2012-09)
      Part of book or chapter of book
      Restricted access - publisher's policy
      This paper describes a system developed for the semiautomatic annotation of keyframes in a broadcasting company. The tool aims at assisting archivists who traditionally label every keyframe manually by suggesting them an ...
    • Use of MPEG-21 for license protection and key management in DRM systems 

      Rodríguez Luna, Eva; Gallego Fernández, María Isabel; Delgado Mercè, Jaime (IEEE Computer Society Publications, 2008-11-28)
      Conference report
      Open Access
      This work proposes a solution to the problem of the secure management and distribution of licenses and keys associated to protected resources. We have identified different use cases to illustrate the requirements of a DRM ...