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Ara es mostren els items 40-45 de 45

    • Terrain super-resolution through aerial imagery and fully convolutional networks 

      Argudo Medrano, Óscar; Chica Calaf, Antonio; Andújar Gran, Carlos Antonio (2018-05-22)
      Article
      Accés restringit per política de l'editorial
      Despite recent advances in surveying techniques, publicly available Digital Elevation Models (DEMs) of terrains are low-resolution except for selected places on Earth. In this paper we present a new method to turn ...

    • Tree variations 

      Argudo Medrano, Óscar; Andújar Gran, Carlos Antonio; Chica Calaf, Antonio (2017)
      Text en actes de congrés
      Accés obert
      The cost-effective generation of realistic vegetation is still a challenging topic in computer graphics. The simplest representation of a tree consists of a single texture-mapped billboard. Although a tree billboard does ...

    • Triangle influence supersets for fast distance computation 

      Pujol Puig, Eduard; Chica Calaf, Antonio (John Wiley & sons, 2023-09)
      Article
      Accés obert
      We present an acceleration structure to efficiently query the Signed Distance Field (SDF) of volumes represented by trianglemeshes. The method is based on a discretization of space. In each node, we store the triangles ...

    • View-dependent hierarchical rendering of massive point clouds through textured splats 

      Comino Trinidad, Marc; Chica Calaf, Antonio; Andújar Gran, Carlos Antonio (European Association for Computer Graphics (Eurographics), 2019)
      Text en actes de congrés
      Accés obert
      Nowadays, there are multiple available range scanning technologies which can capture extremely detailed models of realworld surfaces. The result of such process is usually a set of point clouds which can contain billions ...

    • Visibility-based feature extraction from discrete models 

      Chica Calaf, Antonio (ACM Press. Association for Computing Machinery, 2008)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper, we present a new visibility-based feature extraction algorithm from discrete models as dense point clouds resulting from laser scans. Based on the observation that one can characterize local properties of ...

    • Visualization of large-scale urban models through multi-level relief impostors 

      Andújar Gran, Carlos Antonio; Brunet Crosa, Pere; Chica Calaf, Antonio; Navazo Álvaro, Isabel (North Holland, 2010-12)
      Article
      Accés restringit per política de l'editorial
      In this paper, we present an efficient approach for the interactive rendering of large-scale urban models, which can be integrated seamlessly with virtual globe applications. Our scheme fills the gap between standard ...