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Browsing Departament de Tecnologies de la Informació i les Comunicacions by Title

Browsing Departament de Tecnologies de la Informació i les Comunicacions by Title

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  • Attarifar, Masoud; Abbasfar, Aliazam; Lozano Solsona, Angel (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    This paper addresses the performance improvement that structured pilot assignment policies can bring about, relative to a random pilot assignment, in cell-free massive MIMO wireless networks. It is shown that structured ...
  • Purohit, Hemant; Castillo, Carlos; Imran, Muhammad; Pandey, Rahul (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    xtensive research on social media usage during emergencies has shown its value to provide life-saving information, if a mechanism is in place to filter and prioritize messages. Existing ranking systems can provide a ...
  • Koduri, Gopala Krishna; Gulati, Sankalp; Rao, Preeti; Serra, Xavier; Serra, Xavier (Taylor & Francis (Routledge), 2012)
    Rāga forms the melodic framework for most of the music of the Indian subcontinent. Thus automatic rāga recognition is a fundamental step in the computational modeling of the Indian art-music traditions. In this work, ...
  • Guger, Christoph; Gener, Thomas; Pennartz, Cyriel; Brotons-Mas, Jorge; Edlinger, Günter; Bermúdez i Badia, S.; Verschure, Paul F. M. J.; Schaffelhofer, Stefan; Sanchez-Vives, Maria V (Frontiers Media, 2011)
    Brain–computer interfaces (BCI) are using the electroencephalogram, the electrocorticogram and trains of action potentials as inputs to analyze brain activity for communication purposes and/or the control of external ...
  • Pasarella Sánchez, Ana Edelmira; Lobo, Jorge (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    In this paper we show that the logical framework proposed by Becker et al. [1] to reason about security policy behavior in a trust management context can be captured by an operational framework that is based on the language ...
  • Sadat Schaffai, Jasmin, 1982-; Martin, Clara D.; Costa, Albert, 1970-; Alario, F.-Xavier (François -Xavier) (Elsevier, 2014)
    A crucial step for understanding how lexical knowledge is represented is to describe the relative similarity of lexical items, and how it influences language processing. Previous studies of the effects of form similarity ...
  • Amiri, A.; Borda Fortuny, Cristina; Tong, Kin-Fai (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Two different reconfigurable techniques for spectrum-monitoring antenna are presented. The first method inserts high-performance RF-MEMS switches along the microstrip feed line and back slot of a Vivaldi antenna ...
  • Dyer, Chris; Kuncoro, Adhiguna; Ballesteros, Miguel; Smith, Noah A. (ACL (Association for Computational Linguistics), 2016)
    We introduce recurrent neural network grammars,/nprobabilistic models of sentences with/nexplicit phrase structure. We explain efficient/ninference procedures that allow application to/nboth parsing and language modeling. ...
  • Pragst, Louisa; Ultes, Stefan; Minker, Wolfgang (Springer, 2016)
    Getting a good estimation of the Interaction Quality (IQ) of a spoken dialogue helps to increase the user satisfaction as the dialogue strategy may be adapted accordingly. Therefore, some research has already been ...
  • Ledberg, Anders; Montagnini, Anna; Coppola, Richard; Bressler, Sreven L. (Public Library of Science, 2012)
    Sensory responses of the brain are known to be highly variable, but the origin and functional relevance of this variability/nhave long remained enigmatic. Using the variable foreperiod of a visual discrimination task to ...
  • González-Suárez, Ana; Herranz, David; Berjano, Enrique J.; Rubio-Guivernau, Jose L.; Margallo-Balbás, Eduardo (Wiley, 2018)
    Background/Objective: Radiofrequency (RF) catheter ablation is a minimally invasive medical procedure used to thermally destroy the focus of cardiac arrhythmias. Novel optical techniques are now being integrated into RF ...
  • Paun, Bruno; Bijnens, Bart; Butakoff, Constantine (Wiley, 2018)
    Contemporary imaging modalities offer non-invasive quantification of myocardial deformation; however, they make gross assumptions about internal structure of the cardiac walls. Our aim is to study the possible impact of ...
  • Mazzi, Chiara; Savazzi, Silvia; Abrahamyan, Arman; Ruzzoli, Manuela (Elsevier, 2017)
    Background: Phosphenes induced by transcranial magnetic stimulation (TMS) are a subjectively described visual phenomenon employed in basic and clinical research as index of the excitability of retinotopically organized ...
  • Chicharro Raventós, Daniel; Andrzejak, Ralph Gregor (American Physical Society, 2009)
    To detect directional couplings from time series various measures based on distances in reconstructed state spaces were introduced. These measures can, however, be biased by asymmetries in the dynamics' structure, noise ...
  • Pons, Jordi; Janer Mestres, Jordi; Rode, Thilo; Nogueira, Waldo (Acoustical Society of America, 2016)
    Music perception remains rather poor for many Cochlear Implant (CI) users due to the users' deficient pitch perception. However, comprehensible vocals and simple music structures are well perceived by many CI users. In ...
  • Kulkami, Aparna; Garcia Canadilla, Patricia; Khan, Abdullah; Lorenzo, Jose Miguel; Beckerman, Karen; Valenzuela Alcaraz, Brenda; Cruz-Lemini, Mónica; Gomez, Olga; Gratacós Solsona, Eduard; Crispi Brillas, Fàtima; Bijnens, Bart (Elsevier, 2018)
    Myocardial structural and functional abnormalities are known to occur in fetuses of mothers with diabetes mellitus (FMDM). The main aim of this investigation was to explore the cardiovascular circulatory patterns in FMDM ...
  • Arroyo, Ernesto; Righi, Valeria; Tarrago, Roger; Santos Rodríguez, Patrícia; Hernández Leo, Davinia; Blat, Josep (Springer, 2011)
    This paper presents a customizable system used to develop a collaborative multi-user problem solving game. It addresses the increasing demand for appealing informal learning experiences in museum-like settings. The system ...
  • Ivorra Cano, Antoni, 1974- (Public Library of Science, 2011)
    Miniaturization of active implantable medical devices is currently compromised by the available means for electrically/npowering them. Most common energy supply techniques for implants – batteries and inductive couplers – ...
  • Neumann, S.; Klebl, M.; Griffiths Jenkins, David; Hernández Leo, Davinia; de la Fuente Valentín, L.; Hummel, H.; Brouns, F.; Derntl, Michael; Oberhuemer, P. (International Association of Online Engineering, 2010)
    Europe has seen a number of learning design initiatives in the past years. Among them are the Open University UK Learning Design Initiative, JISC’s Design for Learning Programme, as well as the Open University of the ...
  • Mayor, Oscar; Llimona Torras, Quim; Marchini, Marco, 1984-; Papiotis, Panagiotis, 1985-; Maestre Gómez, Esteban (ACM Association for Computer Machinery, 2013)
    In this technical demo we present repoVizz (http://repovizz.upf.edu), an integrated online system capable of structural formatting and remote storage, browsing, exchange, annotation, and visualization of synchronous ...

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