Italian Chapter Conference 2006: Recent submissions

Now showing items 21-40 of 40

    • 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 ...

    • 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. ...

    • 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 ...

    • 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 ...

    • 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 ...

    • 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 ...

    • 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 ...

    • 3D data segmentation using a non-parametric density estimation approach 

      Castellani, U.; Cristani, M.; Murino, V. (The Eurographics Association, 2006)
      In this paper, a new segmentation approach for sets of 3D unorganized points is proposed. The method is based on a clustering procedure that separates the modes of a non-parametric multimodal density, following the mean-shift ...

    • 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 ...

    • 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, ...

    • 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 ...

    • 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 ...

    • 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 ...

    • 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 ...

    • 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 ...

    • 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 ...

    • 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 ...

    • 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 ...

    • 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 ...

    • 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, ...