Recent Submissions

  • Bayesian modeling approach in Big Data contexts: an application in spatial epidemiology 

    Orozco Acosta, Erick; Adin Urtasun, Aritz Upna Orcid; Ugarte Martínez, María Dolores Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    In this work we propose a novel scalable Bayesian modeling approach to smooth mortality risks borrowing information from neighbouring regions in high-dimensional spatial disease mapping contexts. The method is based on the ...
  • Towards fine-grained road maps extraction using sentinel-2 imagery 

    Ayala Lauroba, Christian; Aranda, Carlos; Galar Idoate, Mikel Upna Orcid (Copernicus, 2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    Nowadays, it is highly important to keep road maps up-to-date since a great deal of services rely on them. However, to date, these labours have demanded a great deal of human attention due to their complexity. In the last ...
  • Multi-criteria optimization for fleet size with environmental aspects 

    Sawika, Bartosz; Faulín Fajardo, Javier Upna Orcid; Pérez-Bernabeu, Elena (Elsevier, 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    This research concerns multi-criteria vehicle routing problems. Mathematical models are formulated with mixed-integer programming. We consider maximization of capacity of truck vs. minimization of ...
  • Supervised descent method (SDM) applied to accurate pupil detection in off-the-shelf eye tracking systems 

    Larumbe Bergera, Andoni Upna Orcid; Cabeza Laguna, Rafael Upna Orcid; Villanueva Larre, Arantxa Upna Orcid (ACM, 2018)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    The precise detection of pupil/iris center is key to estimate gaze accurately. This fact becomes specially challenging in low cost frameworks in which the algorithms employed for high performance systems fail. In the last ...
  • Pricing and internalizing noise externalities in road freight transportation 

    Serrano Hernández, Adrián Upna Orcid; Álvarez, Pablo Upna Orcid; Lerga Valencia, Iosu; Reyes-Rubiano, Lorena Silvana Upna Orcid; Faulín Fajardo, Javier Upna Orcid (Elsevier, 2017)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    People living close to main roads may suffer from the nuisance of traffic and noise pollution. This paper assesses the effect of full routing cost in vehicle routing decisions by internalizing the external cost ...
  • Improved strategies for HPE employing learning-by-synthesis approaches 

    Larumbe Bergera, Andoni Upna Orcid; Ariz Galilea, Mikel Upna; Bengoechea, José J.; Segura, Rubén; Cabeza Laguna, Rafael Upna Orcid; Villanueva Larre, Arantxa Upna Orcid (IEEE, 2018)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    The first contribution of this paper is the presentation of a synthetic video database where the groundtruth of 2D facial landmarks and 3D head poses is available to be used for training and evaluating Head Pose Estimation ...
  • SeTA: semiautomatic tool for annotation of eye tracking images 

    Larumbe Bergera, Andoni Upna Orcid; Porta Cuéllar, Sonia Upna Orcid; Cabeza Laguna, Rafael Upna Orcid; Villanueva Larre, Arantxa Upna Orcid (ACM, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    Availability of large scale tagged datasets is a must in the field of deep learning applied to the eye tracking challenge. In this paper, the potential of Supervised-Descent-Method (SDM) as a semiautomatic labelling tool ...
  • Integration of second-life battery packs for self-consumption applications: analysis of a real experience 

    Soto Cabria, Adrián Upna Orcid; Berrueta Irigoyen, Alberto Upna Orcid; Zorrilla, Pablo; Iribarren Zabalegui, Álvaro; Castillo, Diego H.; Wenceslao E., Rodríguez; Rodríguez, Adolfo J.; Vargas, David T.; Matías Maestro, Ignacio Upna Orcid; Sanchis Gúrpide, Pablo Upna Orcid; Ursúa Rubio, Alfredo Upna Orcid (IEEE, 2021)   Contribución a congreso / Biltzarrerako ekarpena
    This contribution presents a methodology for the integration of Li-ion batteries discarded from electric vehicle into a collective self-consumption installation, showing the technical feasibility of such battery second ...
  • La Europa de las universidades: una visión desde la Edad Media 

    Carrasco Pérez, Juan Upna (Centro de Estudios Históricos de Granada y su Reino (CEHGR), 2015)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    Este texto procede de la conferencia que inauguró las actividades del Centro de Estudios Históricos de Granada y su Reino y fue pronunciada, el día 6 de noviembre de 2014, en el auditorio ‘Antonio Domínguez Ortiz’ de la ...
  • Overcoming the diffraction limit with high-index dielectric particles 

    Pacheco-Peña, Víctor Upna Orcid; Beruete Díaz, Miguel Upna Orcid (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    In this communication, we propose and demonstrate the ability to produce photonic nanojets using high refractive index dielectric particles immersed in air. An extremely narrow focus is produced just at the output surface ...
  • Controlling the direction of propagation of surface plasmons via graded index effective dielectric media 

    Pacheco-Peña, Víctor Upna Orcid; Beruete Díaz, Miguel Upna Orcid (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    In this work, we propose a mechanism to steer and tailor surface plasmon propagation by using graded index concepts. In this approach, a block of dielectric with fixed thickness is placed on top of a semi-infinite metal. ...
  • A fast SSVEP-based brain-computer interface 

    Jorajuría, Tania; Gómez Fernández, Marisol Upna Orcid; Vidaurre, Carmen Upna Orcid (Springer, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    Literature of brain-computer interfacing (BCI) for steady-state visual evoked potentials (SSVEP) shows that canonical correlation analysis (CCA) is the most used method to extract features. However, it is known that CCA ...
  • Active control for medium-frequency transformers flux-balancing in a novel three-phase topology for cascaded conversion structures 

    Lumbreras Magallón, David Upna Orcid; Barrios Rípodas, Ernesto Upna Orcid; Navarrete, Manuel; Balda Belzunegui, Julián; González Senosiain, Roberto; Sanchis Gúrpide, Pablo Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    Efficiency and power density are important parameters in the design of power electronics converters. In many applications, low-frequency transformers are being substituted for medium-frequency and high-frequency transformers ...
  • Volumetric reach-through displays for direct manipulation of 3D content 

    Ezcurdia Aguirre, Íñigo Fermín (ACM, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    In my PhD, I aim at developing a reach-through volumetric display where points of light are emitted from each 3d position of the display volume, and yet it allows people to introduce theirs hands inside to directly interact ...
  • Compact harmonic rejection filter for C-band high-power satellite applications 

    Teberio Berdún, Fernando Upna Orcid; Martín Iglesias, Petronilo; Arregui Padilla, Iván Upna Orcid; Arnedo Gil, Israel; Lopetegui Beregaña, José María; Gómez Laso, Miguel Ángel Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    A compact high-power low-pass filter for C-band broadband satellite applications is presented in this paper. The filter is composed of three different sections. A 9th-order compact high-power multi-ridge structure achieves ...
  • Interactions with digital mountains: tangible, immersive and touch interactive virtual reality 

    Ardaiz Villanueva, Óscar Upna Orcid; Marzo Pérez, Asier Upna Orcid; Baztán Larrea, Rubén; Ezcurdia Aguirre, Íñigo Fermín (Association for Computing Machinery (ACM), 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    Digitization of Earth mountains and terrains has facilitated to plan journeys, manage natural resources, and learn about the Earth from the comfort of our homes. We aim to develop new interactions on digital mountains with ...
  • Generative adversarial networks for bitcoin data augmentation 

    Zola, Francesco; Bruse, Jan Lukas; Etxeberria Barrio, Xabier; Galar Idoate, Mikel Upna Orcid; Orduna Urrutia, Raúl (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    In Bitcoin entity classification, results are strongly conditioned by the ground-truth dataset, especially when applying supervised machine learning approaches. However, these ground-truth datasets are frequently affected ...
  • High-performance 50μm silicon-based on-chip antenna with high port-to-port isolation implemented by metamaterial and SIW concepts for THz integrated systems 

    Alibakhshikenari, Mohammad; Virdee, Bal S.; See, Chan H.; Abd-Alhameed, Raed; Falcone Lanas, Francisco Javier Upna; Limiti, Ernesto (IEEE, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    A novel 50μm Silicon-based on-chip antenna is presented that combines metamaterial (MTM) and substrate integrated waveguide (SIW) technologies for integration in THz circuits operating from 0.28 to 0.30 THz. The antenna ...
  • Copper oxide coated D-shaped optical fibers for the development of LMR refractometers 

    Ozcariz Celaya, Aritz Upna Orcid; Vitoria Pascual, Ignacio Upna; Arregui San Martín, Francisco Javier Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    Lossy mode resonance (LMR) based refractometers obtained by means of copper oxide thin-films fabricated onto side-polished (D-shaped) are presented in this work. The high refractive index of copper oxide combined with the ...
  • Fuzzy-based power exchange management between grid-tied interconnected residential microgrids 

    Arcos Avilés, Diego; García Gutiérrez, Gabriel; Guinjoan Gispert, Francesc; Ayala, Paúl; Ibarra, Alexander; Motoasca, Emilia; Llanos, Jacqueline; Pascual Miqueleiz, Julio María Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
    This paper presents a fuzzy-based power exchange management between two neighboring residential grid-connected microgrids comprising both photovoltaic generation and battery energy storage system (BESS). The proposed power ...

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