Ara es mostren els items 1-19 de 19

    • 3D Television - State of the art 

      Jaramillo Goñi, Mikel (Universitat Politècnica de Catalunya / AGH University of Science and Technology, 2012-03-24)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   Akademia Górniczo-Hutnicza im. S. Staszica w Krakowie
      [ANGLÈS] Multiview videos are large and require a high bitrate for playback. The need to compress this type of information has made the development of a new compression method called multiview coding. This format uses the ...
    • Accurate multi-modal image registration using compression 

      Vázquez Alcocer, Pere Pau; Marco Gómez, Jordi (IADIS Press, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Image registration is an important task in medicine, especially when images have been acquired by different scanner/sensor types, since they provide information on different body structures (bones, muscles, vessels...). ...
    • An efficient implementation of the FAPEC compression algorithm in the CCSDS image standard 

      Artigues Aguiló, Gabriel (Universitat Politècnica de Catalunya, 2012-06-26)
      Projecte/Treball Final de Carrera
      Accés obert
      [ANGLÈS] The implementation of an efficient image compressor using the FAPEC coder in the CCSDS image data compression standard (122.0).
    • Calidad de Imagen de los Archivos JPEG 

      Serra Picañol, Joan (Universitat Politècnica de Catalunya, 2012)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat
    • Caracterización e implementación de algoritmos de compresión en la GPU ATILA 

      Pérez Llamas, Christian (Universitat Politècnica de Catalunya, 2008-01-31)
      Projecte/Treball Final de Carrera
      Accés obert
      Estudio sobre la organización y el funcionamiento global de los sistemas de software y hardware de generación de gráficos 3D y la arquitectura hardware de la GPU ATILA, relatando los problemas relacionados con la calidad ...
    • Compressed sensing and approximate message passing for the single-pixel camera 

      Biosca Caro, Jordi (Universitat Politècnica de Catalunya, 2018-06)
      Treball Final de Grau
      Accés obert
      This thesis is based on the technology of Compressed Sensing and the study of the algorithms of Approximate Message Passing for the single-pixel camera. This thesis has been developed in the institute of telecommunication ...
    • Création d'une prototype pour gérer images satellitaires sur le cloud 

      Cortes Manyanich, Pere (Universitat Politècnica de Catalunya, 2013-05-14)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   École nationale supérieure des télécommunications
      [ANGLÈS] Developing a prototype to store large images with the purpose of demonstrate that is possible display larges images from limited-resources devices for example: smartphones or tablets. Besides of the storage, the ...
    • Deep Colorization networks for image compression 

      Borràs Sans, Guillem (Universitat Politècnica de Catalunya, 2021-06-30)
      Treball Final de Grau
      Accés obert
      Considering the billions of pictures stored world wide and the rising of streaming services, image compression is, nowadays, a very important field. In this TFG we propose a lossless framework to compress images that takes ...
    • Design of a new 3D multi-view representation 

      Farrero Roger, Pere (Universitat Politècnica de Catalunya, 2013-07-18)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   École polytechnique fédérale de Lausanne
      [ANGLÈS] 3D video is increasing in the current State-of-the-Art of audio-visual tech- nologies. This make researchers invest lot of resources to this field. Thus, new options in this scenario are appearing day by day. This ...
    • Embedding images in partially encrypted JPEG images 

      Sole Cubilo, Guillem (Universitat Politècnica de Catalunya, 2016-05-26)
      Treball Final de Grau
      Accés obert
      This thesis presents an algorithm and implementation to embed images into partially encrypted JPEG images by combining the information of both images. These partially encrypted JPEG images have been encrypted using the ...
    • Image and radio-frequency data compression for OPS-SAT using FAPEC 

      Portell de Mora, Jordi; Martí Espelt, Aniol; Iudica, Riccardo; Evans, David; Zelenevskiy, Vladimir (2022)
      Text en actes de congrés
      Accés obert
      OPS-SAT is an ESA technology demonstration cubesat which includes a colour camera, a Software Defined Radio (SDR) receiver and a powerful ARM processor. One of the experiments executed there is FAPEC, a high-performance ...
    • Image data compression with FAPEC 

      Ahmadloo, Hamed (Universitat Politècnica de Catalunya, 2014-07-04)
      Projecte Final de Màster Oficial
      Accés obert
      Satellite data compression is very important for scientific missions, which often send large amounts of data during operations. Modern examples are Euclid, Solar Orbiter and the several Earth observation missions. However, ...
    • Locally-adaptive texture compression 

      Andújar Gran, Carlos Antonio; Martínez Bayona, Jonás (2009)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Current schemes for texture compression fail to exploit spatial coherence in an adaptive manner due to the strict efficiency constraints imposed by GPU-based, fragment-level decompression. In this paper we present a texture ...
    • Modeling of contours in wavelet domain for generalized lifting image compression 

      Rolon Garrido, Julio Cesar; Ortega, Antonio; Salembier Clairon, Philippe Jean (2009)
      Text en actes de congrés
      Accés obert
      This paper introduces the design of context-based models of contours in the wavelet domain, which are used to construct generalized lifting (GL) mappings for image compression. The GL context-based mapping may significantly ...
    • New Architecture for an Image Compression Algorithm for Embedded Systems 

      Catalán Navarro, Oriol (Universitat Politècnica de Catalunya, 2023-10-18)
      Projecte Final de Màster Oficial
      Accés restringit per acord de confidencialitat
      New, cheaper, and more efficient SoC architectures appear year over year in the market. With this SoCs, HP Inc. develops new products trying to achieve cheaper costs and improve performance compared to previous products ...
    • Privacy preserving photo sharing analysis and derived compression technique for images 

      Bencomo Dixon, Eric (Universitat Politècnica de Catalunya / University of Southern California, 2013-12-19)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   University of Southern California
      [ANGLÈS] The initial idea for my thesis was to analyse the algorithm to: find possible ways to attack the privacy component, figure out ways to apply filtering to the privacy enabled images or reduce the overall size of ...
    • Semantic Segmentation in the Latent Representation 

      Díaz Juan, Artur (Universitat Politècnica de Catalunya, 2022-10-05)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   École polytechnique fédérale de Lausanne
      This project proposes a method to merge image compression and semantic segmentation, in a single stage, for the foreground/background segmentation approach. This binary segmentation is based on the case of person segmentation, ...
    • Stochastic vector quantization of images 

      Torres Urgell, Lluís; Casas Pla, Josep Ramon; Arias, E (1997-11)
      Article
      Accés restringit per política de l'editorial
      One of the most important steps in the vector quantization of images is the design of the codebook. The codebook is generally designed using the LBG algorithm, that is in essence a clustering algorithm which uses a large ...
    • Study of machine learning techniques for image compression 

      Antich Navarro, Francesc (Universitat Politècnica de Catalunya, 2022-07-14)
      Treball Final de Grau
      Accés obert
      In the age of the Internet and cloud-based applications, image compression has become increasingly important. Moreover, image processing has recently sparked the interest of technology companies as autonomous machines ...