Browsing Italian Chapter Conference 2006 by Title

Now showing items 6-25 of 40

    • Color Palette Images Re-indexing by Self Organizing Motor Maps 

      Battiato, S.; Rundo, F.; Stanco, F. (The Eurographics Association, 2006)
      Palette re-ordering is a well known and very effective approach for improving the compression of color-indexed images. If the spatial distribution of the indexes in the image is smooth, greater compression ratios may be ...

    • Compressed SVG Representation of Raster Images Vectorized by DDT Triangulation 

      Battiato, S.; Greco, F.; Nicotra, S. (The Eurographics Association, 2006)
      This paper presents a portable compression algorithm applied to raster data images properly triangulated by using DDT (Data Dependent Triangulation). In particular the input source data are encoded to be rendered by standard ...

    • Data-Driven Facial Feature Morphing for 3D Face Synthesis 

      Zhang, Yu (The Eurographics Association, 2006)
      This paper presents a data-driven method for synthesizing new realistic 3D human faces by morphing a set of facial features. The method takes as examples 3D scanned human face models in order to exploit the shape variations ...

    • DentroTrento: an Example of Application of Computer Graphics to the Evolution of the Archaeological Site of Tridentum 

      Piffer, S.; Conti, G.; Girardi, G.; Ucelli, G.; Amicis, R. De (The Eurographics Association, 2006)
      This paper illustrates the DentroTrento project, commissioned by the local authority for Cultural Heritage, which has lead to the creation of an edutainment system for the visitors of an archaeological site in the town of ...

    • Designing a Virtual Reality Game for the CAVE 

      Livatino, S.; Agerbech, V.; Johansen, A.; Johansen, B. (The Eurographics Association, 2006)
      Virtual Reality has for many years been a technology which has stagnated in application and software development for games. The applications available for VR environments have increased but they mostly remain related to ...

    • Easy Access to Huge 3D Models ofWorks of Art 

      Callieri, M.; Ponchio, F.; Cignoni, P.; Scopigno, R. (The Eurographics Association, 2006)
      Automatic shape acquisition technologies evolved rapidly in recent years, and huge mass of 3D data can be easily produced. The high accuracy of range scanning technology makes the Cultural Heritage domain one of the ideal ...

    • An Experimental Setup to Evaluate the Performance of Tone Mapping Algorithms 

      Marsi, S.; Impoco, G.; Ukovich, A.; Ramponi, G. (The Eurographics Association, 2006)
      Many algorithms have been proposed in the literature to solve the problem of mapping tones from high dynamic range sources to low dynamics displays, while preserving the information conveyed by the original scene. Methods ...

    • From Skull to Face: an Improved Framework for Ethnically Faithful 3D Face Reconstruction 

      Abate, A. F.; Nappi, M.; Ricciardi, S.; Sabatino, G. (The Eurographics Association, 2006)
      3D imagery can be a useful tool for archaeologists and anthropologists committed to the study of ancient people, helping them to better visualize the results of their theories and findings. This paper presents a methodology ...

    • GPU based direct illuminance values computation for interactive lighting CAD 

      Selmo, D.; Musante, F.; Rossi, M. (The Eurographics Association, 2006)
      In this work we focus our attention on real-time direct illuminance values computation using dedicated 3D graphics hardware compatible with OpenGL 2 standard. Our method works with real light intensity distribution measured ...

    • Hand Made 3d Modelling for the Reconstructive Study of Temple C in Selinunte : Preliminary Results 

      Gabellone, F. (The Eurographics Association, 2006)
      This paper illustrates the preliminary results of the virtual reconstruction of temple C in Selinunte. The reconstruction was undertaken as part of the Land-Lab Project launched by the University of Lecce in 2003 for the ...

    • Implementing Mesh-Based Approaches for Deformable Objects on GPU 

      Ranzuglia, G.; Cignoni, P.; Ganovelli, F.; Scopigno, R. (The Eurographics Association, 2006)
      These latest years witnessed an impressive improvement of graphics hardware both in terms of features and in terms of computational power. This improvement can be easily observed in computer games, where effects which, ...

    • Maya Sun Simulation of Bosnian Gravestone Virtual Model 

      Rizvic, S.; Sadzak, A.; Avdagic, Z.; Chalmers, A. (The Eurographics Association, 2006)
      Bosnia and Herzegovina is very rich with cultural heritage sites. Perhaps the most famous of these are the stecaks; the monumental gravestones of Bosnian Heretic Christians. The orientation of the stecaks was important to ...

    • A Message-Based Annotation System for Collaborative Design Review 

      Witzel, M.; Conti, G.; Amicis, R. De (The Eurographics Association, 2006)
      The paper illustrates a shared annotation mechanism developed within a collaborative virtual environment for design review. This represents one of the first prototypes being developed within the European Project IMPROVE ...

    • Multi-Modal Presentation of Work of Arts in Virtual Reality with Simulation of Multi-Mirror Reflection 

      Livatino, S.; Cuciti, D.; Wojciechowki, A. (The Eurographics Association, 2006)
      The use of different media such as photography and virtual reality combined with different presentation modalities may provide a user with an extraordinary tool for exploration and appreciation of real work of art. This ...

    • Multi-resolution Morphological Representation of Terrains 

      Danovaro, E.; Floriani, L. De; Vitali, M.; Papaleo, L. (The Eurographics Association, 2006)
      Mesh-based terrain representations provide accurate descriptions of a terrain, but fail in capturing its morphological structure. The morphology of a terrain is defined by its critical points and by the critical lines ...

    • A Natural and Effective Calibration of the CyberGlove 

      Partipilo, S.; Felice, F. De; Renna, F.; Attolico, G.; Distante, A. (The Eurographics Association, 2006)
      This work addresses the calibration of the CyberGlove, a device which provides information about the position and attitude in space of all the components of the user hand in a haptic system for the fruition of digital 3D ...

    • A New Descreening Technique in the Frequency Domain 

      Battiato, S.; Stanco, F. (The Eurographics Association, 2006)
      In this paper a new algorithm to obtain a continuous tone image starting from a halftoned one is proposed. This descreening technique is based on Butterworth filtering in the frequency domain. It removes the pattern of the ...

    • Preparation of Finite Element Models: The Use of an a Posteriori Mechanical Criterion 

      Ferrandes, R.; Marin, P. M.; Léon, J-C.; Giannini, F. (The Eurographics Association, 2006)
      A geometrical model needs to be simplified to perform a FE (Finite Element) analysis. Several tasks of shape processing are required during the FE model preparation phase. An appropriate geometric model and a suitable set ...

    • Real-time Cataract Surgery Simulation for Training 

      Agus, M.; Gobbetti, E.; Pintore, G.; Zanetti, G.; Zorcolo, A. (The Eurographics Association, 2006)
      Cataract is a clouding of the eye's natural lens, normally due to natural aging changes, and involving at least half of the population over 65 years. Cataract extraction is the only solution for restoring a clear vision, ...

    • Recovering 3D architectural information from dense digital models of buildings 

      Spinelli, A.; Ganovelli, F.; Montani, C.; Scopigno, R. (The Eurographics Association, 2006)
      In recent years the progress of 3D scanning technologies and the consequent growing commercialization of scanners opened a large spectrum of opportunities for many professionals. In particular, architects and engineers may ...