Ara es mostren els items 1-18 de 18

  • CBIR - Content based information retrieval in Optical Biopsies 

    Tous Liesa, Rubén; Ferrer-Roca, Olga; Delgado Mercè, Jaime (2010)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The present paper describes the design and usage of an Internet medical image search engine based on the queryby-example paradigm and the multimedia standard ISO-15938-12:2008. The system, which allows combining Content ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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. ...
  • Reliable scholarly objects search and interchange framework 

    Torres Padrosa, Víctor; Tous Liesa, Rubén; Delgado Mercè, Jaime (2010)
    Text en actes de congrés
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    Authors of scholarly objects might fear that there is a potential risk that the original material they publish in online sites or that they submit for evaluation to scientific journals or conferences is used by others as ...
  • Spark deployment and performance evaluation on the MareNostrum supercomputer 

    Tous Liesa, Rubén; Gounaris, Anastasios; Tripiana, Carlos; Torres Viñals, Jordi; Girona Turell, Sergi; Ayguadé Parra, Eduard; Labarta Mancho, Jesús José; Becerra Fontal, Yolanda; Carrera Pérez, David; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Text en actes de congrés
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    In this paper we present a framework to enable data-intensive Spark workloads on MareNostrum, a petascale supercomputer designed mainly for compute-intensive applications. As far as we know, this is the first attempt to ...
  • Standardized interoperable image retrieval 

    Döller, Mario; Stegmaier, Florian; Kosch, Harald; Tous Liesa, Rubén; Delgado Mercè, Jaime (2010)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Digital still images are generated, distributed and stored worldwide at an ever increasing rate. Yet, the large number of available metadata description formats prevents consistent and efficient access to image repositories. ...
  • Standards for query formalization in mobile visual search 

    Tous Liesa, Rubén; Delgado Mercè, Jaime (2011)
    Text en actes de congrés
    Accés obert
    The research around visual search is gaining relevance due to the evolution in the generation and usage of digital images. A signifi cant push comes from the mobile visual search topic, due to the widespread proliferation ...
  • Standards for query formalization in mobile visual search 

    Tous Liesa, Rubén; Delgado Mercè, Jaime (Springer, 2012-05-04)
    Capítol de llibre
    Accés restringit per política de l'editorial
    The research around visual search is gaining relevance due to the evolution in the generation and usage of digital images. A significant push comes from the mobile visual search topic, due to the widespread proliferation ...
  • Towards standardized integration of images in the cloud of linked data 

    Tous Liesa, Rubén; Delgado Mercè, Jaime; Temmermans, Frederik; Jansen, Bart; Schelkens, Peter (Springer, 2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Currently, there are several ways of describing and referring to images in RDF. This ambiguity results in a proliferation of vocabularies for image descriptions, complicating the cross-community data integration of information ...
  • Towards the cloudification of the social networks analytics 

    Cea, Daniel; Nin Guerrero, Jordi; Tous Liesa, Rubén; Torres Viñals, Jordi; Ayguadé Parra, Eduard (Springer, 2014)
    Text en actes de congrés
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    In the last years, with the increase of the available data from social networks and the rise of big data technologies, social data has emerged as one of the most profitable market for companies to increase their benefits. ...
  • Una herramienta automática de feedback para ensamblador 

    Álvarez Martínez, Carlos; Jiménez González, Daniel; López Álvarez, David; Alonso López, Javier; Tous Liesa, Rubén; Parcerisa Bundó, Joan Manuel; Barlet Ros, Pere; Fernández Barta, Montserrat; Tubella Murgadas, Jordi; Pérez, Christian (2008-10)
    Report de recerca
    Accés obert
    Un estudiante de primer curso de Ingeniería en Informática debe adquirir la capacidad de analizar y depurar códigos, tanto a alto nivel como en ensamblador. Este proceso requiere una participación activa por parte de los ...
  • User-generated content curation with deep convolutional neural networks 

    Tous Liesa, Rubén; Wust, Otto; Gómez, Mauro; Poveda, Jonatan; Elena, Marc; Torres Viñals, Jordi; Makni, Mouna; Ayguadé Parra, Eduard (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Text en actes de congrés
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    In this paper, we report a work consisting in using deep convolutional neural networks (CNNs) for curating and filtering photos posted by social media users (Instagram and Twitter). The final goal is to facilitate searching ...