Now showing items 1-20 of 24

    • Consistent Shape Maps via Semidefinite Programming 

      Huang, Qi-Xing; Guibas, Leonidas (The Eurographics Association and Blackwell Publishing Ltd., 2013)
      Recent advances in shape matching have shown that jointly optimizing the maps among the shapes in a collection can lead to significant improvements when compared to estimating maps between pairs of shapes in isolation. ...
    • An Algorithm for Triangulating Multiple 3D Polygons 

      Zou, Ming; Ju, Tao; Carr, Nathan (The Eurographics Association and Blackwell Publishing Ltd., 2013)
      We present an algorithm for obtaining a triangulation of multiple, non-planar 3D polygons. The output minimizes additive weights, such as the total triangle areas or the total dihedral angles between adjacent triangles. ...
    • Preface and Table of Contents 

      Yaron Lipman and Hao Zhang (The Eurographics Association and Blackwell Publishing Ltd., 2013)
    • Locally Injective Mappings 

      Schüller, Christian; Kavan, Ladislav; Panozzo, Daniele; Sorkine-Hornung, Olga (The Eurographics Association and Blackwell Publishing Ltd., 2013)
      Mappings and deformations are ubiquitous in geometry processing, shape modeling, and animation. Numerous deformation energies have been proposed to tackle problems like mesh parameterization and volumetric deformations. ...
    • PHOG: Photometric and Geometric Functions for Textured Shape Retrieval 

      Biasotti, Silvia; Cerri, Andrea; Giorgi, Daniela; Spagnuolo, Michaela (The Eurographics Association and Blackwell Publishing Ltd., 2013)
      In this paper we target the problem of textured 3D object retrieval. As a first contribution, we show how to include photometric information in the persistence homology setting, also proposing a novel theoretical result ...
    • Practical Anisotropic Geodesy 

      Campen, Marcel; Heistermann, Martin; Kobbelt, Leif (The Eurographics Association and Blackwell Publishing Ltd., 2013)
      The computation of intrinsic, geodesic distances and geodesic paths on surfaces is a fundamental low-level building block in countless Computer Graphics and Geometry Processing applications. This demand led to the development ...
    • Consistent Volumetric Discretizations Inside Self-Intersecting Surfaces 

      Sacht, Leonardo; Jacobson, Alec; Panozzo, Daniele; Schüller, Christian; Sorkine-Hornung, Olga (The Eurographics Association and Blackwell Publishing Ltd., 2013)
      Decades of research have culminated in a robust geometry processing pipeline for surfaces. Most steps in this pipeline, like deformation, smoothing, subdivision and decimation, may create self-intersections. Volumetric ...
    • Noise-Adaptive Shape Reconstruction from Raw Point Sets 

      Giraudot, Simon; Cohen-Steiner, David; Alliez, Pierre (The Eurographics Association and Blackwell Publishing Ltd., 2013)
      We propose a noise-adaptive shape reconstruction method specialized to smooth, closed shapes. Our algorithm takes as input a defect-laden point set with variable noise and outliers, and comprises three main steps. First, ...
    • Dynamic Maps for Exploring and Browsing Shapes 

      Kleiman, Yanir; Fish, Noa; Lanir, Joel; Cohen-Or, Daniel (The Eurographics Association and Blackwell Publishing Ltd., 2013)
      Large datasets of 3D objects require an intuitive way to browse and quickly explore shapes from the collection. We present a dynamic map of shapes where similar shapes are placed next to each other. Similarity between 3D ...
    • Discrete Line Congruences for Shading and Lighting 

      Wang, Jun; Jiang, Caigui; Bompas, Philippe; Wallner, Johannes; Pottmann, Hellmut (The Eurographics Association and Blackwell Publishing Ltd., 2013)
      Two-parameter families of straight lines (line congruences) are implicitly present in graphics and geometry processing in several important ways including lighting and shape analysis. In this paper we make them accessible ...
    • Sparse Iterative Closest Point 

      Bouaziz, Sofien; Tagliasacchi, Andrea; Pauly, Mark (The Eurographics Association and Blackwell Publishing Ltd., 2013)
      Rigid registration of two geometric data sets is essential in many applications, including robot navigation, surface reconstruction, and shape matching. Most commonly, variants of the Iterative Closest Point (ICP) algorithm ...
    • Weak Convex Decomposition by Lines-of-sight 

      Asafi, Shmuel; Goren, Avi; Cohen-Or, Daniel (The Eurographics Association and Blackwell Publishing Ltd., 2013)
      We define the convexity rank of a set of points to be the portion of mutually visible pairs of points out of the total number of pairs. Based on this definition of weak convexity, we introduce a spectral method that ...
    • Fast and Robust Approximation of Smallest Enclosing Balls in Arbitrary Dimensions 

      Larsson, Thomas; Källberg, Linus (The Eurographics Association and Blackwell Publishing Ltd., 2013)
      In this paper, an algorithm is introduced that computes an arbitrarily fine approximation of the smallest enclosing ball of a point set in any dimension. This operation is important in, for example, classification, clustering, ...
    • Semantizing Complex 3D Scenes using Constrained Attribute Grammars 

      Boulch, Alexandre; Houllier, Simon; Marlet, Renaud; Tournaire, Olivier (The Eurographics Association and Blackwell Publishing Ltd., 2013)
      We propose a new approach to automatically semantize complex objects in a 3D scene. For this, we define an expressive formalism combining the power of both attribute grammars and constraint. It offers a practical conceptual ...
    • Dirichlet Energy for Analysis and Synthesis of Soft Maps 

      Solomon, Justin; Guibas, Leonidas; Butscher, Adrian (The Eurographics Association and Blackwell Publishing Ltd., 2013)
      Soft maps taking points on one surface to probability distributions on another are attractive for representing surface mappings in the presence of symmetry, ambiguity, and combinatorial complexity. Few techniques, however, ...
    • Approximating Functions on a Mesh with Restricted Voronoï Diagrams 

      Nivoliers, Vincent; Lévy, Bruno (The Eurographics Association and Blackwell Publishing Ltd., 2013)
      We propose a method that computes a piecewise constant approximation of a function defined on a mesh. The approximation is associated with the cells of a restricted Voronoï diagram. Our method optimizes an objective function ...
    • Connectivity Editing for Quad-Dominant Meshes 

      Peng, Chi-Han; Wonka, Peter (The Eurographics Association and Blackwell Publishing Ltd., 2013)
      We propose a connectivity editing framework for quad-dominant meshes. In our framework, the user can edit the mesh connectivity to control the location, type, and number of irregular vertices (with more or fewer than four ...
    • Consolidation of Low-quality Point Clouds from Outdoor Scenes 

      Wang, Jun; Xu, Kai; Liu, Ligang; Cao, Junjie; Liu, Shengjun; Yu, Zeyun; Gu, Xianfeng David (The Eurographics Association and Blackwell Publishing Ltd., 2013)
      The emergence of laser/LiDAR sensors, reliable multi-view stereo techniques and more recently consumer depth cameras have brought point clouds to the forefront as a data format useful for a number of applications. ...
    • Shape Matching via Quotient Spaces 

      Ovsjanikov, Maks; Mérigot, Quentin; Patraucean, Viorica; Guibas, Leonidas (The Eurographics Association and Blackwell Publishing Ltd., 2013)
      We introduce a novel method for non-rigid shape matching, designed to address the symmetric ambiguity problem present when matching shapes with intrinsic symmetries. Unlike the majority of existing methods which try to ...
    • Watertight Scenes from Urban LiDAR and Planar Surfaces 

      Kreveld, Marc van; Lankveld, Thijs van; Veltkamp, Remco C. (The Eurographics Association and Blackwell Publishing Ltd., 2013)
      The demand for large geometric models is increasing, especially of urban environments. This has resulted in production of massive point cloud data from images or LiDAR. Visualization and further processing generally require ...