• closedAccess   On the use of data filtering techniques for credit risk prediction with instance-based models 

      García, Vicente; Sánchez Garreta, Josep Salvador; Marqués Marzal, Ana Isabel Elsevier (2012)
      Many techniques have been proposed for credit risk prediction, from statistical models to artificial intelligence methods. However, very few research efforts have been devoted to deal with the presence of noise and outliers ...
    • closedAccess   Smooth shadow boundaries with exponentially-warped gaussian filtering 

      Gumbau Portalés, Jesús; Sbert Casasayas, Mateu; Szirmay-Kalos, László; Chover, Miguel; González Ballester, Carlos Elsevier (2013-05)
      Shadow mapping is widely used in computer graphics for efficiently rendering shadows in real-time applications. Shadow maps cannot be filtered as regular textures, thus their limited resolution can cause severe shadow map ...