Now showing items 1-20 of 22

    • Monitor-Based tracking system for Wide Augmented Reality Environments 

      Re, Guido Maria; Caruso, Giandomenico; Belluco, Paolo; Bordegoni, Monica (The Eurographics Association, 2010)
      In Augmented Reality (AR) applications, the technological solutions used for tracking objects in the real environment are generally related to the conditions of the environment and to the application purposes. The selection ...
    • Tools and Applications for Teaching and Research in Computer Graphics 

      Guggeri, Fabio; Livesu, Marco; Scateni, Riccardo (The Eurographics Association, 2010)
      In this paper we present the work in progress along with some preliminary research results in the field of Computational Geometry and Mesh Processing obtained by the Computer Graphics Group of the University of Cagliari, ...
    • Modeling Liquidus Hypersurfaces through Simplicial Complexes 

      Natali, Mattia; Attene, Marco; Ottonello, Giulio (The Eurographics Association, 2010)
      This paper describes an operational pipeline that exploits computational geometry to derive useful knowledge about the crystallization behaviour of materials composed of varying amounts of pure components. Starting from ...
    • Natural Interaction and Computer Graphics Applications 

      Iacolina, Samuel A.; Lai, Alessandro; Soro, Alessandro; Scateni, Riccardo (The Eurographics Association, 2010)
      Natural Interaction with computers has been a challenging topic of research since the very beginning of the digital era and refers to the possibility, on the user s part, of exploiting natural abilities to control the ...
    • Developing a Web 3.0 E-learning Portal with X3D Technologies 

      Cerbo, Francesco Di; Dodero, Gabriella; Papaleo, Laura (The Eurographics Association, 2010)
      The paper describes our experience in the development of the DIEL learning management system, and especially its 3D interface, which has been developed using X3D. DIEL allows to structure learning activities along a virtual ...
    • Composition of Texture Atlases for 3D Mesh Multi-texturing 

      Pagés, Rafael; Arnaldo, Sergio; Morán, Francisco; Berjón, Daniel (The Eurographics Association, 2010)
      We introduce an automatic technique for mapping onto a 3D triangle mesh, approximating the shape of a real 3D object, a high resolution texture synthesized from several pictures taken simultaneously by real cameras surrounding ...
    • Building Morphological Representations for 2D and 3D Scalar Fields 

      Comic, Lidija; Floriani, Leila De; Iuricich, Federico (The Eurographics Association, 2010)
      Ascending and descending Morse complexes, defined by the critical points and integral lines of a scalar field f defined on a manifold domain D, induce a subdivision of D into regions of uniform gradient flow, and thus ...
    • A Dimension-Independent and Extensible Framework for Huge Geometric Models 

      Canino, David (The Eurographics Association, 2010)
      Nowadays, gigantic models can be easily produced in many applications and their dimension often exceeds the RAM size in a common workstation. Thus, using an external memory technique is mandatory in this case. In this ...
    • Toward Wide-Area Camera Localization for Mixed Reality 

      Garro, Valeria; Fusiello, Andrea (The Eurographics Association, 2010)
      This paper describes a work in progress towards the implementation of a complete system that provides tourists with relevant visual information related to cultural heritage sites. Thanks to the diffusion of high-end mobile ...
    • Adaptive Quad Mesh Simplification 

      Bozzo, Agostino; Panozzo, Daniele; Puppo, Enrico; Pietroni, Nico; Rocca, Luigi (The Eurographics Association, 2010)
      We present an improved algorithm for the progressive simplification of quad meshes, which adapts the resolution of the mesh to details of the modeled shape. We extend previous work [TPC*10], by simplifying the approach and ...
    • Mutual Correspondences: An Hybrid Method for Image-to-geometry Registration 

      Sottile, Michele; Dellepiane, Matteo; Cignoni, Paolo; Scopigno, Roberto (The Eurographics Association, 2010)
      Image registration is an important task in several applications of Computer Graphics and Computer Vision. Among the large number of proposed approaches, currently there is no solution which is automatic and robust enough ...
    • Improving 2D-3D Registration by Mutual Information using Gradient Maps 

      Palma, Gianpaolo; Corsini, Massimiliano; Dellepiane, Matteo; Scopigno, Roberto (The Eurographics Association, 2010)
      In this paper we propose an extension for the algorithms of image-to-geometry registration by Mutual Information( MI) to improve the performance and the quality of the alignment. Proposed for the registration of multi modal ...
    • Facile: a System for Artificial Face Dataset Generation 

      Brambilla, Andrea; Colombo, Alessandro (The Eurographics Association, 2010)
      We present Facile, a system for the generation of artificial face datasets aimed to assist the training and evaluation phases of face related algorithms. Facile is able to generate, starting from a set of textured 3D faces ...
    • Towards a Voting Scheme for Calculating Light Source Positions from a given Target Illumination 

      Zmugg, René; Havemann, Sven; Fellner, Dieter W. (The Eurographics Association, 2010)
      Lighting conditions can make the difference between success or failure of an architectural space. The vision of space-light co-design is that architects can control the impression of an illuminated space already at an early ...
    • 3D Body Model Construction and Matching for Real Time People Re-Identification 

      Baltieri, Davide; Vezzani, Roberto; Cucchiara, Rita (The Eurographics Association, 2010)
      Wide area video surveillance always requires to extract and integrate information coming from different cameras and views. Re-identification of people captured from different cameras or different views is one of most ...
    • Two Examples of GPGPU Acceleration of Memory-intensive Algorithms 

      Marras, Stefano; Mura, Claudio; Gobbetti, Enrico; Scateni, Riccardo; Scopigno, Roberto (The Eurographics Association, 2010)
      The advent of GPGPU technologies has allowed for sensible speed-ups in many high-dimension, memory-intensive computational problems. In this paper we demonstrate the e ectiveness of such techniques by describing two ...
    • An Adaptive Video Surveillance Architecture for Behavior Analysis 

      Zini, Luca; Noceti, Nicoletta; Odone, Francesca (The Eurographics Association, 2010)
      Adaptivity to scene changes is a main requirement for video analysis. The interpretation of video streams can be dealt by triggering different techniques depending on the scene properties. We present a work-on-progress for ...
    • Manual Segmentation and Semantic-based Hierarchical Tagging of 3D models 

      Papaleo, Laura; Floriani, Leila De (The Eurographics Association, 2010)
      Today 3D objects have become widely available in different application domains, thus it is becoming fundamental to use, integrate and develop techniques for extracting and maintaining their implicit knowledge. These ...
    • Mixed Reality and Gesture Based Interaction for Medical Imaging Applications 

      Abate, Andrea F.; Nappi, Michele; Ricciardi, Stefano; Tortora, Genoveffa (The Eurographics Association, 2010)
      This paper presents a framework providing a collection of techniques to enhance reliability, accuracy and overall effectiveness of gesture-based interaction applied to the manipulation of virtual objects within a Mixed ...
    • Edge Adaptive and Energy Preserving Volume Upscaling for High Quality Volume Rendering 

      Giachetti, Andrea; Guitián, J. A. Iglesias; Gobbetti, Enrico (The Eurographics Association, 2010)
      We describe an edge-directed optimization-based method for volumetric data supersampling. The method is based on voxel splitting and iterative refinement performed with a greedy optimization driven by the smoothing of ...