Browsing Italian Chapter Conference 2006 by Title

Now showing items 21-40 of 40

    • 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 ...

    • Shape Comparison and Deformation Analysis in Biomedical Applications 

      Colantonio, S.; Moroni, D.; Salvetti, O. (The Eurographics Association, 2006)
      In this paper, we present a method for comparing shapes and analyzing deformations of 3D image objects. This method is based on the definition of an object model based on multi-source 3D images. Elective application cases ...

    • Shape Reconstruction with Uncertainty 

      Papaleo, L.; Puppo, E. (The Eurographics Association, 2006)
      This paper presents a general Surface Reconstruction framework which encapsulates the uncertainty of the sampled data, making no assumption on the shape of the surface to be reconstructed. Starting from the input points ...

    • Smart Ideas for Photomosaic Rendering 

      Blasi, G. Di; Gallo, G.; Petralia, M.P. (The Eurographics Association, 2006)
      Photomosaic is a technique which transforms an input image into a rectangular grid of thumbnail images preserving the overall appearance. The typical photomosaic algorithm searches from a large database of images one picture ...

    • Solutions to 3D Building Reconstruction from Photographs 

      Farinella, G. M.; Mattiolo, G. (The Eurographics Association, 2006)
      The 3D model reconstruction of buildings from uncalibrated photographs allows new useful Computer Graphics and Computer Vision applications. In this paper we survey some solutions proposed in literature and in commerce. ...

    • A study on textures and their perceptual visual dimensions as application for flexible and effective scientific visualization 

      Taponecco, F. (The Eurographics Association, 2006)
      The use of textures is fundamental in several areas of Computer Graphics, Computer Vision and Image Processing. In this work, we focus on their main relevant attributes, in order to define and design textures as effective ...

    • Sub-part correspondence using structure and geometry 

      Biasotti, S.; Marini, S. (The Eurographics Association, 2006)
      The paper describes a method for recognizing similar sub-parts of objects described by 3D polygonal meshes. The innovation of our method is the coupling of structure and geometry in the matching process. First of all, the ...

    • A Survey of Digital Mosaic Techniques 

      Battiato, S.; Blasi, G. Di; Farinella, G.M.; Gallo, G. (The Eurographics Association, 2006)
      Art often provides valuable hints for technological innovations especially in the field of Image Processing and Computer Graphics. In this paper we survey in an unified framework several methods to transform a raster input ...

    • SVG Vectorization by Statistical Region Merging 

      Battiato, S.; Farinella, G. M.; Puglisi, G. (The Eurographics Association, 2006)
      In this paper a novel algorithm for raster to vector conversion is presented. The technique is mainly devoted to vectorize digital picture maintaining an high degree of photorealistic appearance specifically addressed to ...

    • Topological Descriptor for CAD Models with Inner Cavities 

      Symonova, O.; Dao, M.-S.; Amicis, R. De; Ucelli, G. (The Eurographics Association, 2006)
      The current work introduces an algorithm for constructing Reeb graph for CAD models and their inner cavities. The nodes of the graph represent areas of the manifold of the model where topological changes occur. Edges of ...

    • Topological, Geometric and Structural Approaches to Enhance Shape Information 

      Attene, M.; Biasotti, S.; Mortara, M.; Patané, G.; Spagnuolo, M.; Falcidieno, B. (The Eurographics Association, 2006)
      Nowadays, the increasing power of hardware components has made available a huge amount of digital models, more and more complex and detailed, as needed in many innovative research fields such as medical imaging, entertainment, ...

    • Tradition and Virtuality: The Caltagirone Staircase 

      Campisi, V.; Blasi, G. Di; Gallo, G. (The Eurographics Association, 2006)
      Computer Graphics (CG) and Virtual Reality (VR) are two of the most interesting research fields in Computer Science. In this paper we present an application of CG and VR in arts, tourist promotion and cultural heritage. ...

    • Unambiguous Analysis of Woman Breast Shape for Plastic Surgery Outcome Evaluation 

      Farinella, G. M.; Impoco, G.; Gallo, G.; Spoto, S.; Catanuto, G. (The Eurographics Association, 2006)
      This paper reports a multidisciplinary research between computer science and plastic and reconstructive surgery. In particular, a new method is proposed to unambiguously define a geometric partitioning of a large thoracic ...

    • Use of Shader Technology for Realistic Presentation of Train Prototypes in Virtual Reality 

      Gironimo, G. Di; Papa, S. (The Eurographics Association, 2006)
      The aim of the paper is to make up a virtual showroom and work-through of a train model in order to allow railway companies showing new trains prototypes, in phase of concept, and present their new design in more exhaustive ...

    • Using Layout Profiles in MPE G-4 Hypervideo Presentation 

      Bue, A. Lo (The Eurographics Association, 2006)
      The definition of presentation layout, based on device and user features, can be useful to provide multidevices content adaptation capabilities for hypervideos presentations. We provide a possible approach of content ...

    • VTK4AR: An Object Oriented Framework for Scientific Visualization of CAE Data in Augmented Reality 

      Bruno, F.; Caruso, F.; Ferrise, F.; Muzzupappa, M. (The Eurographics Association, 2006)
      In the last ten years many Augmented Reality (AR) applications for Scientific Visualization have been developed, attesting the effectiveness of this technique for data visualization and interaction. In all these applications, ...