Now showing items 1-2 of 2

    • Learning imprecise semantic concepts from image databases 

      Sánchez Fernández, Daniel; Chamorro Martínez, Jesús (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2002)
      Article
      Open Access
      In this paper we introduce a model to represent high-level semantic concepts that can be perceived in images. The concepts are learned and represented by means of a set of association rules that relate the presence of ...
    • Segmenting colour images on the basis of a fuzzy hierarchical approach 

      Chamorro Martínez, Jesús; Sánchez Fernández, Daniel; Prados Suárez, Belen; Galán Perales, Elena; Vila Miranda, María Amparo (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica., 2003)
      Article
      Open Access
      In this paper we deal with two problems related to imprecision in colour image segmentation processes: to decide whether a set of pixels verify the property "to be homogeneously coloured", and to represent the set of ...