Now showing items 1-20 of 23

    • CFM-BD: a distributed rule induction algorithm for building compact fuzzy models in Big Data classification problems 

      Elkano Ilintxeta, Mikel Upna Orcid; Sanz Delgado, José Antonio Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid; Bustince Sola, Humberto Upna Orcid; Galar Idoate, Mikel Upna Orcid (IEEE, 2020)   Artículo / Artikulua  OpenAccess
      Interpretability has always been a major concern for fuzzy rule-based classifiers. The usage of human-readable models allows them to explain the reasoning behind their predictions and decisions. However, when it comes to ...
    • Co-occurrence of deep convolutional features for image search 

      Forcén Carvalho, Juan Ignacio; Pagola Barrio, Miguel Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid; Bustince Sola, Humberto Upna Orcid (Elsevier, 2020)   Artículo / Artikulua  OpenAccess
      Image search can be tackled using deep features from pre-trained Convolutional Neural Networks (CNN). The feature map from the last convolutional layer of a CNN encodes descriptive information from which a discriminative ...
    • Cuantificar los hechos represivos: explicación y retos de la base de datos del fondo documental de la memoria histórica en Navarra 

      Majuelo Gil, Emilio Upna Orcid; Mendiola Gonzalo, Fernando Upna Orcid; Garmendia Amutxastegi, Gotzon; Piérola Narvarte, Gemma Upna Orcid; García Funes, Juan Carlos Upna Orcid; Yániz Berrio, Edurne Upna; Pérez Ibarrola, Nerea Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid; Rodríguez Martínez, Iosu Upna Orcid; Sesma Redín, Rubén Upna; Bustince Sola, Humberto Upna Orcid (2019)   Documento de trabajo / Lan gaiak  OpenAccess
      En este documento se presentan los fundamentos historiográficos y metodológicos de la base de datos del Fondo Documental de la Memoria Histórica en Navarra, desarrollada en la Universidad Pública de Navarra como consecuencia ...
    • Enhancing multi-class classification in FARC-HD fuzzy classifier: on the synergy between n-dimensional overlap functions and decomposition strategies 

      Elkano Ilintxeta, Mikel Upna Orcid; Galar Idoate, Mikel Upna Orcid; Sanz Delgado, José Antonio Upna Orcid; Fernández, Alberto; Barrenechea Tartas, Edurne Upna Orcid; Herrera, Francisco; Bustince Sola, Humberto Upna Orcid (IEEE, 2014)   Artículo / Artikulua  OpenAccess
      There are many real-world classification problems involving multiple classes, e.g., in bioinformatics, computer vision or medicine. These problems are generally more difficult than their binary counterparts. In this scenario, ...
    • Extensions of fuzzy sets in image processing: an overview 

      Pagola Barrio, Miguel Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid; Bustince Sola, Humberto Upna Orcid; Fernández Fernández, Francisco Javier Upna Orcid; Galar Idoate, Mikel Upna Orcid; Jurío Munárriz, Aránzazu Upna Orcid; López Molina, Carlos Upna Orcid; Paternain Dallo, Daniel Upna Orcid; Sanz Delgado, José Antonio Upna Orcid; Couto, P.; Melo Pinto, P. (EUSFLAT, 2011)   Artículo / Artikulua  OpenAccess
      This work presents a valuable review for the interested reader of the recent Works using extensions of fuzzy sets in image processing. The chapter is divided as follows: first we recall the basics of the extensions of fuzzy ...
    • Gertakari errepresiboak kuantifikatzea: Nafarroako Memoria Historikoaren Dokumentu Funtsaren azalpena eta erronkak 

      Majuelo Gil, Emilio Upna Orcid; Mendiola Gonzalo, Fernando Upna Orcid; Garmendia Amutxastegi, Gotzon; Piérola Narvarte, Gemma Upna Orcid; García Funes, Juan Carlos Upna Orcid; Yániz Berrio, Edurne Upna; Pérez Ibarrola, Nerea Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid; Rodríguez Martínez, Iosu Upna Orcid; Sesma Redín, Rubén Upna; Bustince Sola, Humberto Upna Orcid (2019)   Documento de trabajo / Lan gaiak  OpenAccess
      En este documento se presentan los fundamentos historiográficos y metodológicos de la base de datos del Fondo Documental de la Memoria Histórica en Navarra, desarrollada en la Universidad Pública ...
    • A historical account of types of fuzzy sets and their relationships 

      Bustince Sola, Humberto Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid; Pagola Barrio, Miguel Upna Orcid; Fernández Fernández, Francisco Javier Upna Orcid; Xu, Zeshui; Bedregal, Benjamin Upna Orcid; Montero, Javier; Hagras, Hani; Herrera, Francisco; Baets, Bernard de (IEEE, 2016)   Artículo / Artikulua  OpenAccess
      In this work we review the definition and basic properties of the different types of fuzzy sets that have appeared up to now in the literature. We also analyze the relationships between them and enumerate some of the ...
    • Initiative to increment the number of women in STEM degrees: women, science and technology chair of the Public University of Navarre 

      Aranguren Garacochea, Patricia Upna Orcid; San Martín Biurrun, Idoia Upna Orcid; Catalán Ros, Leyre Upna Orcid; Martínez Ramírez, Alicia Upna Orcid; Jurío Munárriz, Aránzazu Upna Orcid; Díaz Lucas, Silvia Upna Orcid; Pérez Artieda, Miren Gurutze Upna Orcid; Gómez Fernández, Marisol Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The Public University of Navarre joined with Navarre Government has created the Women, Science and Technology Chair. This chair arises due to the plummeting tendency of the percentage of women in STEM degrees with the aim ...
    • Interval type-2 fuzzy sets are generalization of interval-valued fuzzy sets: towards a wider view on their relationship 

      Bustince Sola, Humberto Upna Orcid; Fernández Fernández, Francisco Javier Upna Orcid; Hagras, Hani; Herrera, Francisco; Pagola Barrio, Miguel Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid (IEEE, 2015)   Artículo / Artikulua  OpenAccess
      In this paper, we will present a wider view on the relationship between interval-valued fuzzy sets and interval type- 2 fuzzy sets where we will show that interval-valued fuzzy sets are a particular case of the interval ...
    • Learning ordered pooling weights in image classification 

      Forcén Carvalho, Juan Ignacio; Pagola Barrio, Miguel Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid; Bustince Sola, Humberto Upna Orcid (Elsevier, 2020)   Artículo / Artikulua  OpenAccess
      Spatial pooling is an important step in computer vision systems like Convolutional Neural Networks or the Bag-of-Words method. The spatial pooling purpose is to combine neighbouring descriptors to obtain a single descriptor ...
    • Moderate deviation and restricted equivalence functions for measuring similarity between data 

      Altalhi, A. H.; Forcén Carvalho, Juan Ignacio; Pagola Barrio, Miguel Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid; Bustince Sola, Humberto Upna Orcid; Takáč, Zdenko (Elsevier, 2019)   Artículo / Artikulua  OpenAccess
      In this work we study the relation between moderate deviation functions, restricted dissimilarity functions and restricted equivalence functions. We use moderate deviation functions in order to measure the similarity or ...
    • Novel methodologies for improving fuzzy classifiers: dealing with multi-class and Big Data classification problems 

      Elkano Ilintxeta, Mikel Upna Orcid (2018)   Tesis doctoral / Doktoretza tesia  OpenAccess
      Los Sistemas de Clasificación Basados en Reglas Difusas (SCBRDs) son métodos de aprendizaje automático que permiten construir modelos predictivos capaces de predecir la clase a la que pertenecen los datos de entrada. La ...
    • Nuevos métodos para la combinación de características en procesamiento de imágenes 

      Forcén Carvalho, Juan Ignacio (2021)   Tesis doctoral / Doktoretza tesia  OpenAccess
      En esta memoria estudiamos diferentes problemas abiertos entorno a la agregación de información y presentamos el estudio de nuevas técnicas de agregación de características de imágenes para mejorar el rendimiento en los ...
    • Optical images-based edge detection in Synthetic Aperture Radar images 

      Silva Junior, Gilberto P.; Frery, Alejandro C.; Bustince Sola, Humberto Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid; Marco Detchart, Cedric Upna Orcid (Elsevier, 2015)   Artículo / Artikulua  OpenAccess
      We address the issue of adapting optical images-based edge detection techniques for use in Polarimetric Synthetic Aperture Radar (PolSAR) imagery. We modify the gravitational edge detection technique (inspired by the Law ...
    • Ordered directional monotonicity in the construction of edge detectors 

      Marco Detchart, Cedric Upna Orcid; Bustince Sola, Humberto Upna Orcid; Fernández Fernández, Francisco Javier Upna Orcid; Mesiar, Radko; Lafuente López, Julio Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid; Pintor Borobia, Jesús María Upna Orcid (Elsevier, 2021)   Artículo / Artikulua  OpenAccess
      In this paper we provide a specific construction method of ordered directionally monotone functions. We show that the functions obtained with this construction method can be used to build edge detectors for grayscale images. ...
    • Paired structures in knowledge representation 

      Montero, Javier; Bustince Sola, Humberto Upna Orcid; Pagola Barrio, Miguel Upna Orcid; Fernández Fernández, Francisco Javier Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid (Elsevier, 2016)   Artículo / Artikulua  OpenAccess
      In this position paper we propose a consistent and unifying view to all those basic knowledge representation models that are based on the existence of two somehow opposite fuzzy concepts. A number of these basic models can ...
    • Quantifying repressive acts: explanation and challenges of the documentary archive of historical memory in Navarre 

      Majuelo Gil, Emilio Upna Orcid; Mendiola Gonzalo, Fernando Upna Orcid; Garmendia Amutxastegi, Gotzon; Piérola Narvarte, Gemma Upna Orcid; García Funes, Juan Carlos Upna Orcid; Yániz Berrio, Edurne Upna; Pérez Ibarrola, Nerea Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid; Rodríguez Martínez, Iosu Upna Orcid; Sesma Redín, Rubén Upna; Bustince Sola, Humberto Upna Orcid (2019)   Documento de trabajo / Lan gaiak  OpenAccess
      This document presents the historiographical and methodological foundations of the database of the Documentary Archive of Historical Memory in Navarre, which was developed in the Public University of Navarre following a ...
    • Strengthened ordered directional and other generalizations of monotonicity for aggregation functions 

      Sesma Sara, Mikel Upna Orcid; Miguel Turullols, Laura de Upna Orcid; Lafuente López, Julio Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid; Mesiar, Radko; Bustince Sola, Humberto Upna Orcid (Springer, 2018)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      A tendency in the theory of aggregation functions is the generalization of the monotonicity condition. In this work, we examine the latest developments in terms of different generalizations. In particular, we discuss ...
    • A survey of fingerprint classification Part I: taxonomies on feature extraction methods and learning models 

      Galar Idoate, Mikel Upna Orcid; Derrac, Joaquín; Peralta, Daniel; Triguero, Isaac; Paternain Dallo, Daniel Upna Orcid; López Molina, Carlos Upna Orcid; García, Salvador; Benítez, José Manuel; Pagola Barrio, Miguel Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid; Bustince Sola, Humberto Upna Orcid; Herrera, Francisco (Elsevier, 2015)   Artículo / Artikulua  OpenAccess
      This paper reviews the fingerprint classification literature looking at the problem from a double perspective. We first deal with feature extraction methods, including the different models considered for singular point ...
    • A survey of fingerprint classification Part II: experimental analysis and ensemble proposal 

      Galar Idoate, Mikel Upna Orcid; Derrac, Joaquín; Peralta, Daniel; Triguero, Isaac; Paternain Dallo, Daniel Upna Orcid; López Molina, Carlos Upna Orcid; García, Salvador; Benítez, José Manuel; Pagola Barrio, Miguel Upna Orcid; Barrenechea Tartas, Edurne Upna Orcid; Bustince Sola, Humberto Upna Orcid; Herrera, Francisco (Elsevier, 2015)   Artículo / Artikulua  OpenAccess
      In the first part of this paper we reviewed the fingerprint classification literature from two different perspectives: the feature extraction and the classifier learning. Aiming at answering the question of which among the ...