Enviaments recents

  • Chapter 1.6: Early warning signals of Earth system tipping points 

    Boulton, Chris A.; Buxton, Joshua E.; Arellano Nava, Beatriz; Bathiany, Sebastian; Blaschke, Lana; Boers, Niklas; Dakos, Vasilis; Dylewsky, Daniel; Kéfi, Sonia; López Martínez, Carlos; Parry, Isobel; Ritchie, Paul; van der Bolt, Bregje; van der Laan, Larissa; Weinans, Els (University of Exeter, 2023)
    Capítol de llibre
    Accés obert
    This chapter focuses on the methods used to predict the movement of parts of the Earth system towards tipping points. It begins by introducing the theory of critical slowing down (CSD), a general phenomenon of slowing ...
  • Ionospheric scintillation models: An inter-comparison study using GNSS data 

    Camps Carmona, Adriano José; Molina Ordóñez, Carlos; González Casado, Guillermo; Juan Zornoza, José Miguel; Lemorton, Joël; Fabbro, Vincent; Mainvis, Aymeric; Barbosa, José; Orús Pérez, Raul (IntechOpen, 2023-06-21)
    Capítol de llibre
    Accés obert
    Existing climatological ionosphere models, for example, GISM, SCIONAV, WBMOD, and STIPEE, have known limitations that prevent their wide use. In the framework of ESA study “Radio Climatology Models of the Ionosphere: Status ...
  • Contrastive and attention-based multiple instance learning for the prediction of sentinel lymph node status from histopathologies of primary melanoma tumours 

    Hernández Pérez, Carlos; Combalia Escudero, Marc; Puig Sardá, Susana; Malvehy Guilera, Josep; Vilaplana Besler, Verónica (Springer, 2022-09-30)
    Capítol de llibre
    Accés obert
    Sentinel lymph node status is a crucial prognosis factor for melanomas; nonetheless, the invasive surgery required to obtain it always puts the patient at risk. In this study, we develop a Deep Learning-based approach to ...
  • Design of minimum nonlinear distortion reconfigurable antennas for next-generation communication systems 

    Ramírez Arroyave, Germán Augusto; Barlabe Dalmau, Antoni; Pradell i Cara, Lluís; Araque Araque, Javier Leonardo; Cetiner, Bedri Artug; Jofre Roca, Lluís (Multidisciplinary Digital Publishing Institute (MDPI), 2022-03-01)
    Capítol de llibre
    Accés obert
    Nonlinear effects in the radio front-end can degrade communication quality and system performance. In this paper we present a new design technique for reconfigurable antennas that minimizes the nonlinear distortion and ...
  • Telecomunicacions 

    Berenguer Sau, Jordi (2020-02)
    Capítol de llibre
    Accés restringit per política de l'editorial
    L’any 2019 es va caracteritzar per la planificació de l’execució del segon dividend digital, que, a més d’una replanificació de les freqüències dels canals de televisió digital terrestre, preveu, en un termini d’uns tres ...
  • MRI brain tumor segmentation and uncertainty estimation using 3D-UNet architectures 

    Mora Ballestar, Laura; Vilaplana Besler, Verónica (Springer Nature, 2021)
    Capítol de llibre
    Accés obert
    Automation of brain tumor segmentation in 3D magnetic resonance images (MRIs) is key to assess the diagnostic and treatment of the disease. In recent years, convolutional neural networks (CNNs) have shown improved results ...
  • Security in transnational interoperable PPDR communications: threats, requirements and architecture solution 

    Ferrús Ferré, Ramón Antonio; Sallent Roig, Oriol; Verkoelen, Cor; Fransen, Frank; Andersen, Keld; Bjerrum-Niese, Christian; Saijonmaa, Jaakko; Olivieri, Claudia; Duits, Michel; Galin, Anita; Pangallo, Franco; Proietti Modi, Debora (IGI Publishing, 2019-02)
    Capítol de llibre
    Accés restringit per política de l'editorial
    The relevance of cross border security operations has been identified as a priority at European level for a long time. A European network where Public Protection and Disaster Relief (PPDR) forces share communications ...
  • RocExs 2017 field trip: rockfall risk management in the Montserrat massif 

    Janeras Casanova, Marc; Corominas Dulcet, Jordi; Jara Salvador, José Antonio; Guinau, Marta; Aguasca Solé, Alberto; Blanch, Xabier; Paret, David; Ferré, Anna; Buxó, Pere (International Centre for Numerical Methods in Engineering (CIMNE), 2017)
    Capítol de llibre
    Accés obert
    This field trip has been devised as the closure of this sixth edition of the RocExs workshop, on the Wednesday May 24th. According to the purposes of this interdisciplinary meeting, most of the suggested topics for the ...
  • Urban applications 

    Colin-Koeniguer, Elise; Trouve, Nicolas; Yamaguchi, Yoshio; Huang, Yue; Ferro Famil, Laurent; Navarro Sánchez, Víctor Diego; López Sánchez, Juan Manuel; Monells Miralles, Daniel; Iglesias González, Rubén; Fabregas Canovas, Francisco Javier; Mallorquí Franquet, Jordi Joan; Aguasca Solé, Alberto; López Martínez, Carlos (Springer, 2021)
    Capítol de llibre
    Accés obert
    The experimental result reported in this chapter review the application of (high resolution) Synthetic Aperture Radar (SAR) data to extract valuable information for monitoring urban environments in space and time. Full ...
  • Basic principles of SAR polarimetry 

    López Martínez, Carlos; Pottier, Eric (Springer, 2021)
    Capítol de llibre
    Accés obert
    This chapter critically summarizes the main theoretical aspects necessary for a correct processing and interpretation of the polarimetric information towards the development of applications of synthetic aperture radar (SAR) ...
  • Enhancing online knowledge graph population with semantic knowledge 

    Fernández Cañellas, Dèlia; Rimmek, Joan Marco; Espadaler Rodés, Joan; Garolera Huguet, Blai; Barja Romero, Adrià; Codina, Marc; Sastre Rienitz, Marc; Giró Nieto, Xavier; Riveiro, Juan Carlos; Bou Balust, Elisenda (Springer, 2020-11-01)
    Capítol de llibre
    Accés obert
    Knowledge Graphs (KG) are becoming essential to organize, represent and store the world’s knowledge, but they still rely heavily on humanly-curated structured data. Information Extraction (IE) tasks, like disambiguating ...
  • Technologies for emergency rollout of broadband public protection and disaster relief (BB-PPDR) communications in humanitarian crisis zones 

    López Bueno, David; Bartzoudis, Nikolaos; Font Bach, Oriol; Caus, Marius; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel (The Institution of Engineering and Technology, 2020-08-15)
    Capítol de llibre
    Accés restringit per política de l'editorial
    The ongoing migration flows of refugees and immigrants who escape from war and conflict zones to seek asylum and stable living conditions in European countries, have created a multitude of humanitarian crisis sites. The ...

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