Browsing by Author "Llorà Fàbrega, Xavier"

Now showing items 1-6 of 6

    • Analisi de l'avaluació incremental i de l'aplicació eficient de l'Algorisme Genètic en un Sistema Classificador 

      Bernadó Mansilla, Ester; Garrell i Guiu, Josep Maria; Llorà Fàbrega, Xavier (2001-10)
      Aquest article parteix de l'ana!isi del sistema MOLeeS, un sistema classificador (eS) que evolu­ciona un conjunt de regles de classificació a partir d'algorismes genetics (GA). El sistema es descom­posa ...

    • Classifying Microcalcifications in Digital Mammograms using Machine Learning techniques 

      Golobardes, Elisabet; Martí, Joan; Español, Josep; Salamó Llorente, Maria; Freixenet, Jordi; Llorà Fàbrega, Xavier; Maroto, Albert; Bernadó Mansilla, Ester (2001-10)
      This paper presents a Computer Aided Diag­nosis (CAD) of breast cancer from mammograms. The first part involves severa! image processing techniques, which extract a set of features from the microcalcifications ...

    • Evolution of Decision Trees 

      Llorà Fàbrega, Xavier; Garrell i Guiu, Josep Maria (2001-10)
      This paper addresses the issue of the induction of orthogonal, oblique and mul­tivariate decision trees. Algorithms pro­posed by other researchers use heuristic, usually based on the information gain ...

    • Evolutionary weight tuning based on diphone pairsfor unit selection speech synthesis 

      Alías Pujol, Francesc; Llorà Fàbrega, Xavier (2003-09-01)
      Unit selection text-to-speech (TTS) conversion is an ongoingresearch for the speech synthesis community. This paper isfocused on tuning the weights involved in the target and con-catenation cost metrics. ...

    • Genetic Classifier System as a heuristic weighting method for a Case-Based Classifier System 

      Golobardes, Elisabet; Llorà Fàbrega, Xavier; Garrell i Guiu, Josep Maria; Vernet Bellet, David; Bacardit Peñarroya, Jaume (2000-10)
      This paper proposes how to use a Genetic Classi­fier System as a heuristic weighting method for a Case-Based Classifier System. The preliminary re­sults are performed into a specific domain: the pre­diction ...

    • Iniciativas para motivar a los alumnos de Programación 

      Salamó Llorente, Maria; Camps Dausà, Joan; Vallespí, Carles; Vernet Bellet, David; Llorà Fàbrega, Xavier; Bernadó Mansilla, Ester; Garrell i Guiu, Josep Maria; González, Xavier (2000-09)
      La asignatura de Programación constituye una base fundamental para las diversas carreras de ingeniería. Los posibles enfoques que se pueden utilizar, tanto de contenidos como de método docente, son muy ...