• Generalizing max pooling via (a, b)-grouping functions for convolutional neural networks 

      Rodríguez Martínez, Iosu Upna Orcid; Asmus, Tiago Upna Orcid; Pereira Dimuro, Graçaliz Upna Orcid; Herrera, Francisco; Takáč, Zdenko; Bustince Sola, Humberto Upna Orcid (Elsevier, 2023)   Artículo / Artikulua  OpenAccess
      Due to their high adaptability to varied settings and effective optimization algorithm, Convolutional Neural Networks (CNNs) have set the state-of-the-art on image processing jobs for the previous decade. CNNs work in a ...
    • Generating airborne ultrasonic amplitude patterns using an open hardware phased array 

      Morales González, Rafael; Ezcurdia Aguirre, Íñigo Fermín Upna Orcid; Irisarri Erviti, Josu; Andrade, Marco A.B.; Marzo Pérez, Asier Upna Orcid (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      Holographic methods from optics can be adapted to acoustics for enabling novel applications in particle manipulation or patterning by generating dynamic custom-tailored acoustic fields. Here, we present three contributions ...
    • Geology-based and ecological processes of divergence between and within species of wingless darkling beetles 

      Mas-Peinado, Paloma; García-París, Mario; Jiménez-Ruiz, Yolanda; Valdeón Vélez, Aitor Upna Orcid; Recuero, Ernesto; Martínez-Solano, Ínigo; Buckley, David; Condamine, Fabien L. (Wiley, 2022)   Artículo / Artikulua  OpenAccess
      Aim: Discerning the relative role of geographical and ecological factors in promoting diversification is central to our understanding of the origin and maintenance of biodiversity. We explore the roles of geology and ...
    • Geometric multigrid methods for Darcy–Forchheimer flow in fractured porous media 

      Arrarás Ventura, Andrés Upna Orcid; Gaspar, F. J.; Portero Egea, Laura Upna Orcid; Rodrigo, C. (Elsevier, 2019)   Artículo / Artikulua  OpenAccess
      In this paper, we present a monolithic multigrid method for the efficient solution of flow problems in fractured porous media. Specifically, we consider a mixed-dimensional model which couples Darcy flow in the porous ...
    • Geometrical aggregation of finite fuzzy sets 

      Campión Arrastia, María Jesús Upna Orcid; García Catalán, Olga Raquel Upna; Induráin Eraso, Esteban Upna Orcid; Lizasoain Iriso, María Inmaculada Upna Orcid; Raventós Pujol, Armajac Upna Orcid; Valero, Óscar (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
      A fuzzy set on a finite universe can be interpreted as a vector in a unit cube. This gives rise to a huge variety of approaches in order to aggregate finite fuzzy sets or to modify a given one. We analyze several geometrical ...
    • Gongora-ko (Nafarroa) Jauregizaharra jauregiaren datazio dendrokronologikoa 

      Lizeaga Rica, Joseba Sabin Upna Orcid (Sociedad de Ciencias Aranzadi, 2018)   Artículo / Artikulua  OpenAccess
      En este trabajo se presenta la datación dendrocronológica del palacio Jauregizaharra de Gongora (Navarra). Desde el aspecto dendrocronológico se han construido 3 cronologías de referencia, y, desde el punto de vista de la ...
    • Greedy approximation for biorthogonal systems in quasi-Banach spaces 

      Albiac Alesanco, Fernando José Upna Orcid; Ansorena, José L.; Berná, Pablo M.; Wojtaszczyk, Przemyslaw (Instytut Matematyczny, 2021)   Artículo / Artikulua  OpenAccess
      The general problem addressed in this work is the development of a systematic study of the thresholding greedy algorithm for general biorthogonal systems in quasi-Banach spaces from a functional-analytic point of view. If ...
    • Hand-as-a-prop: using the hand as a haptic proxy for manipulation in virtual reality 

      Marichal Baráibar, Sebastián Roberto; Ezcurdia Aguirre, Íñigo Fermín Upna Orcid; Morales González, Rafael; Ortiz Nicolás, Amalia; Marzo Pérez, Asier Upna Orcid; Ardaiz Villanueva, Óscar Upna Orcid (Springer, 2023)   Artículo / Artikulua  OpenAccess
      Haptic feedback can be almost as important as visual information in virtual reality environments. On the one hand, in Active Haptic Feedback, specialized devices such as vibrotactile gloves are employed; however, these ...
    • Helping people with language learning disabilities using native mobile voice recognition: exploring its limits and advantages 

      Alonso Vega, Carlos Upna Orcid; Read, T.; Astrain Escola, José Javier Upna Orcid (International Journal of Information and Education Technology, 2020)   Artículo / Artikulua  OpenAccess
      This article presents an intelligent system for people with language learning disabilities called MarLuc. MarLuc aims to improve people’s skills in their native language rather than a second language. The system was born ...
    • The hidden value of intangibles: do CEO characteristics matter? 

      Garcés Galdeano, Lucía Upna Orcid; García Olaverri, Carmen Upna Orcid (Emerald, 2019)   Artículo / Artikulua  OpenAccess
      Purpose: A great deal of research has examined the relationship between a single CEO attribute and a single measure of firm performance; no attempts have been made to integrate them to create a more global vision of both. ...
    • Hierarchical spatio-temporal change-point detection 

      Moradi, Mohammad Mehdi Upna Orcid; Cronie, Ottmar; Pérez Goya, Unai Upna Orcid; Mateu, Jorge (Taylor and Francis Group, 2023)   Artículo / Artikulua  OpenAccess
      Detecting change-points in multivariate settings is usually carried out by analyzing all marginals either independently, via univariate methods, or jointly, through multivariate approaches. The former discards any inherent ...
    • High temperature and water deficit cause epigenetic changes in somatic plants of Pinus radiata D. Don 

      Marqués do Nascimento, Antonia Maiara; Montalbán, Itziar A.; Llamazares de Miguel, Diego; Goicoa Mangado, Tomás; Ugarte Martínez, María Dolores Upna Orcid; Moncaleán, Paloma (Springer, 2022)   Artículo / Artikulua  OpenAccess
      Current climate changes imply an imminent risk for forest species. In this context, somatic embryogenesis is a valuable tool to study the response of plants to different abiotic stresses. Based on this, we applied a ...
    • High-dimensional order-free multivariate spatial disease mapping 

      Vicente Fuenzalida, Gonzalo; Adin Urtasun, Aritz Upna Orcid; Goicoa Mangado, Tomás; Ugarte Martínez, María Dolores Upna Orcid (Springer, 2023)   Artículo / Artikulua  OpenAccess
      Despite the amount of research on disease mapping in recent years, the use of multivariate models for areal spatial data remains limited due to difficulties in implementation and computational burden. These problems are ...
    • HIL flight simulator for VTOL-UAV pilot training using X-plane 

      Aláez Gómez, Daniel; Olaz Moratinos, Xabier; Prieto Míguez, Manuel; Porcellinis Pascau, Pablo de; Villadangos Alonso, Jesús Upna Orcid (MDPI, 2022)   Artículo / Artikulua  OpenAccess
      With the increasing popularity of vertical take-off and landing unmanned aerial vehicles (VTOL UAVs), a new problem arises: pilot training. Most conventional pilot training simulators are designed for full-scale aircrafts, ...
    • Holistic Architecture for Music Education: A research design for carrying out empiric and interdisciplinary studies in didactics of music 

      Ángel Alvarado, Rolando Alfredo; Wilhelmi, Miguel R. Upna Orcid; Belletich Ruiz, Olga Upna Orcid (Universitat de València, 2019)   Artículo / Artikulua  OpenAccess
      Los temas estéticos de la música son relevantes en la investigación de la educación musical, pero otros elementos vinculados a las ciencias sociales también desempeñan un papel central, como las relaciones entre compañeros ...
    • How important is family involvement for small companies’ growth? 

      Garcés Galdeano, Lucía Upna Orcid; García Olaverri, Carmen Upna Orcid (Emerald, 2020)   Artículo / Artikulua  OpenAccess
      Purpose: Our paper seeks to further understand how family involvement in management influences firm growth. Design/methodology/approach: Using a sample of small high-tech firms, we classify three different types of firms: ...
    • Hybrid pine (Pinus attenuata × Pinus radiata) somatic embryogenesis: what do you prefer, mother or nurse? 

      Montalbán, Itziar A.; Castander Olarieta, Ander; Hargreaves, Cathy L.; Gough, Keiko; Reeves, Cathie B.; Ballekom, Shaf van; Goicoa Mangado, Tomás Upna Orcid; Ugarte Martínez, María Dolores Upna Orcid; Moncaleán, Paloma (MDPI, 2021)   Artículo / Artikulua  OpenAccess
      Development of hybrid pines of Pinus radiata D. Don for commercial forestry presents an opportunity to diversify the current resource of plant material. Climate change and different land uses pose challenges, making ...
    • Hyperspectral imaging to assess the presence of powdery mildew (Erysiphe necator) in cv. Carignan Noir grapevine bunches 

      Pérez Roncal, Claudia Upna Orcid; López Maestresalas, Ainara Upna Orcid; López Molina, Carlos Upna Orcid; Jarén Ceballos, Carmen Upna Orcid; Urrestarazu Vidart, Jorge Upna Orcid; Santesteban García, Gonzaga Upna Orcid; Arazuri Garín, Silvia Upna Orcid (MDPI, 2020)   Artículo / Artikulua  OpenAccess
      Powdery mildew is a worldwide major fungal disease for grapevine, which adversely affects both crop yield and produce quality. Disease identification is based on visible signs of a pathogen once the plant has already been ...
    • Hyperspectral system trade-offs for illumination, hardware and analysis methods: a case study of seed mix ingredient discrimination 

      Blanch Pérez del Notario, Carolina; López Molina, Carlos Upna Orcid; Lambrechts, Andy; Saeys, Wouter (IM Publications, 2020)   Artículo / Artikulua  OpenAccess
      The discrimination power of a hyperspectral imaging system for image segmentation or object detection is determined by the illumination, the camera spatial–spectral resolution, and both the pre-processing and analysis ...
    • The ideal of Lesieur-Croisot elements of Jordan pairs 

      Montaner, Fernando; Paniello Alastruey, Irene Upna Orcid (Taylor and Francis Group, 2023)   Artículo / Artikulua
      We study the sets of elements of Jordan pairs whose local Jordan algebras are Lesieur-Croisot algebras, that is, classical orders in nondegenerate Jordan algebras with finite capacity. It is then proved that, if the Jordan ...

      El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
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