Now showing items 1-20 of 113

    • About the intuitionistic fuzzy set generators 

      Bustince Sola, Humberto Upna Orcid; Mohedano Salillas, Victoria Upna (Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 1997)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper form the definition of intuitionistic fuzzy sets we analyze the intuitionistic fuzzy generators and the complementation in these sets. We start by defining the intuitionistic fuzzy generators in order to then ...
    • Affine construction methodology of aggregation functions 

      Roldán López de Hierro, Antonio F.; Roldán, Concepción; Bustince Sola, Humberto Upna Orcid; Fernández Fernández, Francisco Javier Upna Orcid; Rodríguez Martínez, Iosu Upna; Fardoun, Habib; Lafuente López, Julio Upna Orcid (Elsevier, 2020)   Artículo / Artikulua
      Aggregation functions have attracted much attention in recent times because of its potential use in many areas such us data fusion and decision making. In practice, most of the aggregation functions that scientists use in ...
    • Aggregation and pre-aggregation functions in fuzzy rule-based classification systems 

      Lucca, Giancarlo (2018)   Tesis doctoral / Doktoretza tesia  OpenAccess
      Una manera eficiente de tratar problemas de clasificación, entre otras, es el uso de Sistemas de Clasificación Basados en Reglas Difusas (SCBRDs). Estos sistemas están compuestos por dos componentes principales, la Base ...
    • Aggregation functions based on the Choquet integral applied to image resizing 

      Bueno, Jéssica C. S.; Dias, Camila A.; Pereira Dimuro, Graçaliz Upna Orcid; Santos, Helida; Bustince Sola, Humberto Upna Orcid (Atlantis Press, 2019)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The rising volume of data and its high complexity has brought the need of developing increasingly efficient knowledge extraction techniques, which demands efficiency both in computational cost and in accuracy. Most of ...
    • Aggregation functions to combine RGB color channels in stereo matching 

      Galar Idoate, Mikel Upna Orcid; Jurío Munárriz, Aránzazu Upna Orcid; López Molina, Carlos Upna Orcid; Sanz Delgado, José Antonio Upna Orcid; Paternain Dallo, Daniel Upna Orcid; Bustince Sola, Humberto Upna Orcid (Optical Society of America, 2013)   Artículo / Artikulua  OpenAccess
      In this paper we present a comparison study between different aggregation functions for the combination of RGB color channels in stereo matching problem. We introduce color information from images to the stereo matching ...
    • Aggregation of individual rankings through fusion functions: criticism and optimality analysis 

      Bustince Sola, Humberto Upna Orcid; Bedregal, B.; Campión Arrastia, María Jesús Upna Orcid; Silva, Ivanoska da; Fernández Fernández, Francisco Javier Upna Orcid; Induráin Eraso, Esteban Upna Orcid; Raventós Pujol, Armajac Upna Orcid; Santiago, R.H.N. (IEEE, 2020)   Artículo / Artikulua
      Throughout this paper, our main idea is to analyze from a theoretical and normative point of view different methods to aggregate individual rankings. To do so, first we introduce the concept of a general mean on an abstract ...
    • An algorithm for group decision making using n -dimensional fuzzy sets, admissible orders and OWA operators 

      Miguel Turullols, Laura de Upna Orcid; Sesma Sara, Mikel Upna Orcid; Elkano Ilintxeta, Mikel Upna Orcid; Asiain Ollo, María José Upna; Bustince Sola, Humberto Upna Orcid (Elsevier, 2017)   Artículo / Artikulua  OpenAccess
      In this paper we propose an algorithm to solve group decision making problems using n -dimensional fuzzy sets, namely, sets in which the membership degree of each element to the set is given by an in- creasing tuple of n ...
    • Application of two different methods for extending lattice-valued restricted equivalence functions used for constructing similarity measures on L-fuzzy sets 

      Palmeira, Eduardo S.; Bedregal, Benjamin Upna; Bustince Sola, Humberto Upna Orcid; Paternain Dallo, Daniel Upna Orcid; Miguel Turullols, Laura de Upna Orcid (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
      Based on previous investigations, we have proposed two different methods to extend lattice-valued fuzzy connectives (t-norms, t-conorms, negations and implications) and other related operators, considering a generalized ...
    • Applications of finite interval-valued hesitant fuzzy preference relations in group decision making 

      Pérez Fernández, Raúl; Alonso, Pedro; Bustince Sola, Humberto Upna Orcid; Díaz, Irene; Montes, S. (Elsevier, 2016)   Artículo / Artikulua  OpenAccess
      The main purpose of this paper is to present the twofold group decision making problem, which is a new point of view of the group decision making problem where several experts and criteria can be considered at the same ...
    • 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
      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 ...
    • Comments on "Interval type-2 fuzzy sets are generalization of interval-valued fuzzy sets: towards a wider view on their relationship" [2] 

      Mendel, Jerry M.; Hagras, Hani; Bustince Sola, Humberto Upna Orcid; Herrera, Francisco (IEEE, 2016)   Otros / Bestelakoak  OpenAccess
      This letter makes some observations about “Interval type-2 fuzzy sets are generalization of interval-valued fuzzy sets: Towards a wide view on their relationship,” IEEE Trans. Fuzzy Systems that further support the ...
    • Community detection and social network analysis based on the Italian wars of the 15th century 

      Fumanal Idocin, Javier Upna Orcid; Alonso Betanzos, A.; Cordón, O.; Bustince Sola, Humberto Upna Orcid; Minárová, M. (Elsevier, 2020)   Artículo / Artikulua
      In this contribution we study social network modelling by using human interaction as a basis. To do so, we propose a new set of functions, affinities, designed to capture the nature of the local interactions among each ...
    • A compact evolutionary interval-valued fuzzy rule-based classification system for the modeling and prediction of real-world financial applications with imbalanced data 

      Sanz Delgado, José Antonio Upna Orcid; Bernardo, Darío; Herrera, Francisco; Bustince Sola, Humberto Upna Orcid; Hagras, Hani (IEEE, 2014)   Artículo / Artikulua  OpenAccess
      The current financial crisis has stressed the need of obtaining more accurate prediction models in order to decrease the risk when investing money on economic opportunities. In addition, the transparency of the process ...
    • Computing with uncertainty truth degrees: a convolution-based degrees 

      Miguel Turullols, Laura de Upna Orcid (2017)   Tesis doctoral / Doktoretza tesia  OpenAccess
      La teoría de los conjuntos difusos puede contemplarse como un conjunto de herramientas matemáticas excepcionalmente adaptadas para trabajar con información incompleta, falta de nitidez e incertidumbre no aleatoria. De ...
    • Consensus image method for unknown noise removal 

      González Jaime, Luis; Kerre, Etienne E.; Nachtegael, Mike; Bustince Sola, Humberto Upna Orcid (Elsevier, 2014)   Artículo / Artikulua  OpenAccess
      Noise removal has been, and it is nowadays, an important task in computer vision. Usually, it is a previous task preceding other tasks, as segmentation or reconstruction. However, for most existing denoising algorithms the ...
    • Construction of admissible linear orders for interval-valued Atanassov intuitionistic fuzzy sets with an application to decision making 

      Miguel Turullols, Laura de Upna Orcid; Bustince Sola, Humberto Upna Orcid; Fernández Fernández, Francisco Javier Upna Orcid; Induráin Eraso, Esteban Upna Orcid; Kolesárová, Anna; Mesiar, Radko (Elsevier, 2015)   Artículo / Artikulua  OpenAccess
      In this work we introduce a method for constructing linear orders between pairs of intervals by using aggregation functions. We adapt this method to the case of interval-valued Atanassov intuitionistic fuzzy sets and we ...
    • Construction of capacities from overlap indexes 

      Sanz Delgado, José Antonio Upna Orcid; Galar Idoate, Mikel Upna Orcid; Mesiar, Radko; Bustince Sola, Humberto Upna Orcid; Fernández Fernández, Francisco Javier Upna Orcid (Springer, 2017)   Capítulo de libro / Liburuen kapitulua  OpenAccess
      In this chapter, we show how the concepts of overlap function and overlap index can be used to define fuzzy measures which depend on the specific data of each considered problem.
    • Convolution lattices 

      Miguel Turullols, Laura de Upna Orcid; Bustince Sola, Humberto Upna Orcid; Baets, Bernard de (Elsevier, 2018)   Artículo / Artikulua  OpenAccess
      We propose two convolution operations on the set of functions between two bounded lattices and investigate the algebraic structure they constitute, in particular the lattice laws they satisfy. Each of these laws requires ...
    • 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; García Funes, Juan Carlos Upna Orcid; Yániz Berrio, Edurne Upna; Pérez Ibarrola, Nerea Upna; Barrenechea Tartas, Edurne Upna Orcid; Rodríguez Martínez, Iosu Upna; Sesma Redín, Rubén; Bustince Sola, Humberto Upna Orcid (2019)   Documento de trabajo / Lan gaia  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 ...