Ara es mostren els items 5-24 de 36

    • Deep neural networks for earthquake detection and source region estimation in north-central Venezuela 

      Tous Liesa, Rubén; Alvarado Bermúdez, Leonardo; Otero Calviño, Beatriz; Cruz de la Cruz, Stalin Leonel; Rojas Ulacio, Otilio (2020-10-01)
      Article
      Accés obert
      Reliable earthquake detection algorithms are necessary to properly analyze and catalog the continuously growing seismic records. We report the results of applying a deep convolutional neural network, called UPC‐UCV ...
    • Distributed training of deep neural networks with spark: The MareNostrum experience 

      Cruz, Leonel; Tous Liesa, Rubén; Otero Calviño, Beatriz (Elsevier, 2019-07-01)
      Article
      Accés obert
      Deployment of a distributed deep learning technology stack on a large parallel system is a very complex process, involving the integration and configuration of several layers of both, general-purpose and custom software. ...
    • Dynamic configuration of partitioning in spark applications 

      Gounaris, Anastasios; Kougka, Georgia; Tous Liesa, Rubén; Tripiana, Carlos; Torres Viñals, Jordi (2017-07-01)
      Article
      Accés obert
      Spark has become one of the main options for large-scale analytics running on top of shared-nothing clusters. This work aims to make a deep dive into the parallelism configuration and shed light on the behavior of parallel ...
    • Epicentral region estimation using convolutional neural networks 

      Cruz de la Cruz, Stalin Leonel; Tous Liesa, Rubén; Otero Calviño, Beatriz; Alvarado Bermúdez, Leonardo; Mus León, Sergi; Rojas Ulacio, Otilio Jose (Springer Nature, 2022)
      Text en actes de congrés
      Accés obert
      Recent works have assessed the capability of deep neural networks of estimating the epicentral source region of a seismic event from a single-station three-channel signal. In all the cases, the geographical partitioning ...
    • Examen Final 

      Gil, Marisa; Guerrero Zapata, Manel; Jiménez Castells, Marta; Jordán Fernández, Francisco; Macias López, Miquel; Monreal Arnal, Teresa; Otero Calviño, Beatriz; Rodríguez Luna, Eva; Tous Liesa, Rubén; Valverde Amador, Antonio Javier (Universitat Politècnica de Catalunya, 2018-01-12)
      Examen
      Accés restringit a la comunitat UPC
    • Examen Final 

      Gil Martín, Marçal; Guerrero Zapata, Josep Maria; Jiménez Castells, Marta; Jordán Fernández, Francisco; Macias López, Miquel; Monreal Arnal, Teresa; Otero Calviño, Beatriz; Tous Liesa, Rubén; Valverde Amador, Antonio Javier (Universitat Politècnica de Catalunya, 2019-01-17)
      Examen
      Accés restringit a la comunitat UPC
    • Examen Final 

      Gil, Marisa; Guerrero Zapata, Manel; Jordán Fernández, Francisco; Macia, Sandra; Monreal Arnal, Teresa; Otero Calviño, Beatriz; Tous Liesa, Rubén; Valverde Amador, Antonio Javier; Jiménez Castells, Marta (Universitat Politècnica de Catalunya, 2020-01-17)
      Examen
      Accés restringit a la comunitat UPC
    • Examen Final 

      Gil Martín, Marçal; Guerrero Zapata, Josep Maria; Jiménez Castells, Marta; Jordán Fernández, Francisco; Macias López, Miquel; Otero Calviño, Beatriz; Tous Liesa, Rubén; Valverde Amador, Antonio Javier (Universitat Politècnica de Catalunya, 2021-01-18)
      Examen
      Accés restringit a la comunitat UPC
    • Exploring image transformations with diffusion models: A survey of applications and implementation code 

      Arellano García, Silvia; Otero Calviño, Beatriz; Tous Liesa, Rubén (Springer, 2023)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Diffusion Models have become increasingly popular in recent years and their applications span a wide range of fields. This survey focuses on the use of diffusion models in computer vision, specially in the branch of image ...
    • How MPEG Query Format enables advanced multimedia functionalities 

      Carreras Coch, Anna; Tous Liesa, Rubén; Delgado Mercè, Jaime (2009)
      Text en actes de congrés
      Accés obert
      In December 2008, ISO/IEC SC29WG11 (more commonly known as MPEG) published the ISO/IEC 15938-12 standard, i.e. the MPEG Query Format (MPQF), providing a uniform search&retrieval interface for multimedia repositories. While ...
    • Human pose completion in partial body camera shots 

      Tous Liesa, Rubén; Nin Guerrero, Jordi; Igual Muñoz, Laura (2023-07-28)
      Article
      Accés restringit per política de l'editorial
      Many actual images contain partial body camera shots, in which a significant part of the body is not visible. This issue is especially prevalent in film images, where less than 10% are full-body shots. Most 2D human pose ...
    • La Influencia del orden de las preguntas en los exámenes de primer curso 

      López Álvarez, David; Cortés Martínez, Jordi; Fernández Barta, Montserrat; Parcerisa Bundó, Joan Manuel; Tous Liesa, Rubén; Tubella Murgadas, Jordi (Universitat Jaume I. Escola Superior de Tecnologia i Ciències Experimentals, 2013-07-10)
      Text en actes de congrés
      Accés obert
      El orden de las preguntas en un examen no debería tener influencia en sus resultados. Sin embargo, los autores tenemos la sensación de que los estudiantes de primero suelen ser secuenciales a la hora de resolver los ...
    • JPSearch: new international standard providing interoperable framework for image search and sharing 

      Yoon, Kyoungro; Kim, Youngseop; Park, Je-Ho; Delgado Mercè, Jaime; Yamada, Akio; Dufaux, Frederic; Tous Liesa, Rubén (2012-08)
      Article
      Accés restringit per política de l'editorial
      For the last 15 years, there have been various research and great advances in the field of content-based search and retrieval of images. In this paper, we present an overview of the JPSearch Standard, which is a recently ...
    • Long short-term memory networks for earthquake detection in Venezuelan regions 

      Mus León, Sergi; Gutiérrez Escobar, Norma; Tous Liesa, Rubén; Otero Calviño, Beatriz; Cruz de la Cruz, Stalin Leonel; Llácer Giner, David; Alvarado Bermúdez, Leonardo; Rojas, Otilio (Springer, 2019)
      Comunicació de congrés
      Accés obert
      Reliable earthquake detection and location algorithms are necessary to properly catalog and analyze the continuously growing seismic records. This paper reports the results of applying Long Short-Term Memory (LSTM) networks ...
    • Modelo en red de los contenidos mediáticos en la era de los dispositivos inteligentes 

      Morales Morante, Luís Fernando; Mas Manchón, Lluís; Tous Liesa, Rubén (2016-01-01)
      Article
      Accés obert
      The changes in the information technologies of the last two decades, represented by the democratization of the Internet and the availability of portable and intelligent handhelds, is associated with new business, communication ...
    • Multimedia big data computing for in-depth event analysis 

      Tous Liesa, Rubén; Torres Viñals, Jordi; Ayguadé Parra, Eduard (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés obert
      While the most part of ”big data” systems target text-based analytics, multimedia data, which makes up about 2/3 of internet traffic, provide unprecedented opportunities for understanding and responding to real world ...
    • Open project-based learning for dynamic adaptability of IT education 

      Tous Liesa, Rubén; Freitag, Fèlix (2023-10)
      Article
      Accés obert
      The pace of technological change is accelerating, the duration of the trends is becoming shorter and the number of technological alternatives to solve IT problems grows quickly. Keeping IT higher education course curricula ...
    • Pictonaut: movie cartoonization using 3D human pose estimation and GANs 

      Tous Liesa, Rubén (Springer, 2023-02-18)
      Article
      Accés obert
      This article describes Pictonaut, a novel method to automatically synthetise animated shots from motion picture footage. Its results are editable (backgrounds, characters, lighting, etc.) with conventional 3D software, and ...
    • Query by image medical training: optical biopsy with confocal endoscopy (OB-CEM) 

      Ferrer-Roca, Olga; Duval, Vinicius; Delgado Mercè, Jaime; Rolim, Claudio; Tous Liesa, Rubén (2010)
      Text en actes de congrés
      Accés obert
      The use of Optical Biopsies-OB (in the present case Confocal endomicroscopy-CEM) is limited due to difficulties to interpret images. The OB-CEM are taken by endoscopists, not trained in microscopic morphology which is ...
    • Query formats for multimedia applications ISO/IEC 15938-12 (MPEG Query Format) & ISO/IEC 24800 (JPSearch) 

      Tous Liesa, Rubén (2009)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Digital images are being generated, distributed and stored worldwide at an ever increasing rate. This is increasing the urgency of solving and standardizing solutions for challenging questions surrounding image repositories. ...