Now showing items 1-12 of 12

    • Application of the L-fuzzy concept analysis in the morphological image and signal processing 

      Alcalde, Cristina; Burusco Juandeaburre, Ana Upna; Fuentes González, Ramón Upna (Springer International Publishing, 2014)   Artículo / Artikulua  OpenAccess
      In this work we are going to set up a new relationship between the L-fuzzy Concept Analysis and the Fuzzy Mathematical Morphology. Specifically we prove that the problem of finding fuzzy images or signals that remain ...
    • Concept lattices associated with interval-valued L-fuzzy contexts 

      Burusco Juandeaburre, Ana Upna; Fuentes González, Ramón Upna (Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 1995)   Artículo / Artikulua  OpenAccess
      In 1882 Wille published the paper titled Restructuring lattice theory: an approach based on hierarchies of concepts, where he developed a new theory called formal concept theory. In that paper he analyzes 0/1 relations ...
    • Descubrimiento de conocimiento en bases de datos utilizando técnicas de morfología matemática borrosa 

      Frago Paños, Noé Natalio Upna; Fuentes González, Ramón Upna (Centro de Información Tecnológica, 2007)   Artículo / Artikulua  OpenAccess
      En este artículo se analiza el efecto, la utilidad y la interpretación de los filtros asociados a la Morfología Matemática Borrosa en procesos de Descubrimiento de Conocimiento en Bases de Datos. En particular se estudian ...
    • Fuzzy morphological operators in image processing 

      Burillo López, Pedro Upna; Frago Paños, Noé Natalio Upna; Fuentes González, Ramón Upna (Universitat Politècnica de Catalunya, 2003)   Artículo / Artikulua  OpenAccess
      First of all, in this paper we propose a family of fuzzy implication operators, which the generalised Luckasiewicz´s one, and to analyse the impacts of Smets and Magrez properties on these operators. The result of this ...
    • Generation of fuzzy mathematical morphologies 

      Burillo López, Pedro Upna; Frago Paños, Noé Natalio Upna; Fuentes González, Ramón Upna (Universitat Politècnica de Catalunya, 2001)   Artículo / Artikulua  OpenAccess
      Fuzzy Mathematical Morphology aims to extend the binary morphological operators to grey-level images. In order to define the basic morphological operations fuzzy erosion, dilation, opening and closing, we introduce ...
    • Linking mathematical morphology and L-fuzzy concepts 

      Alcalde, Cristina; Burusco Juandeaburre, Ana Upna; Bustince Sola, Humberto Upna; Fuentes González, Ramón Upna; Sesma Sara, Mikel Upna (World Scientific, 2017)   Artículo / Artikulua  OpenAccess
      In this paper we study the relation between L-fuzzy morphology and L-fuzzy concepts over complete lattices. In particular, we show how the erosion and dilation operators of the former can be understood in terms of the ...
    • On completeness and direction in fuzzy relational systems 

      Burillo López, Pedro Upna; Fuentes González, Ramón Upna; González, L. (Universitat Politècnica de Catalunya, 1998)   Artículo / Artikulua  OpenAccess
      The concepts of bounded subset, complete subset and directed subset, which are well known in the context of partially ordered sets (X, ≤), are extended in order to become applicable, with coherence, in fuzzy relational ...
    • On contrast intensification operators and fuzzy equality relations 

      Burillo López, Pedro Upna; Fuentes González, Ramón Upna; González, L.; Marín Martínez, Ángel Upna (Universitat Politècnica de Catalunya, 2000)   Artículo / Artikulua  OpenAccess
      The class of contrast intensification operators is formally defined and its lattice structure studied. The effect of these operators in the referential classification derived from special kinds of fuzzy relations is also ...
    • On fuzzy orderings of crisp and fuzzy intervals 

      Fuentes González, Ramón Upna; Burillo López, Pedro Upna; Mayor, Gaspar (EUSFLAT, 2001)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      First, fuzzy membership functions for the assertion '[x,y] is a positive interval' are proposed and characterized via non-decreasing real maps. Last, using those functions together with the intervaldifference and the ...
    • Overtaker binary relations on complete completely distributive lattices related to the level sets of the L-fuzzy sets 

      Núñez, A.; Burillo López, Pedro Upna; Fuentes González, Ramón Upna; González, L. (Universitat Politècnica de Catalunya, 1994)   Artículo / Artikulua  OpenAccess
      The class of overtaker binary relations associated with the order in a lattice is defined and used to generalize the representations of L-fuzzy sets by means of level sets or fuzzy points.
    • The study of fuzzy context sequences 

      Alcalde, Cristina; Burusco Juandeaburre, Ana Upna; Fuentes González, Ramón Upna (Atlantis Press and Taylor & Francis, 2013)   Artículo / Artikulua  OpenAccess
      In some cases, the relationship between an object set X and an attribute set Y is set up by means of a fuzzy context sequence. A particular case of this situation appears when we want to study the evolution of an L-fuzzy ...
    • The use of two relations in L-fuzzy contexts 

      Alcalde, Cristina; Burusco Juandeaburre, Ana Upna; Fuentes González, Ramón Upna (Elsevier, 2015)   Artículo / Artikulua  OpenAccess
      In the analysis of relations among the elements of two sets it is usual to obtain different values depending on the point of view from which these relations are measured. The main goal of the paper is the modelization of ...