Browsing Issue 3 by Title

Now showing items 34-41 of 41

    • Quality Control of an Interpolation Method for Discontinuous Parametric Surfaces 

      Seron, F.J.; Torrens, J.J; Magallon, J.A. (Blackwell Science Ltd and the Eurographics Association, 1993)
      In this paper we study a finite element interpolation method for fitting discontinuous parametric surfaces when the data points are the nodes of a curvilinear grid. Quality control of the interpolating surfaces is also ...

    • A Rendering Algorithm for Discrete Volume Density Objects 

      Blasi, Philippe; Le Saec, Bertrand; Schlick, Christophe (Blackwell Science Ltd and the Eurographics Association, 1993)
      We present a new algorithm for simulating the effect of light travelling through volume objects. Such objects (haze, fog, clouds.) are usually modelized by voxel grids which define their density distribution in a discrete ...

    • Scale-Invariant Minimum-Cost Curves: Fair and Robust Design Implements 

      Moreton, Henry P.; Sequin, Carlo H. (Blackwell Science Ltd and the Eurographics Association, 1993)
      Four functionals for the computation of minimum cost curves are compared. Minimization of these functionals result in the widely studied Minimum Energy Curve (MEC), the recently introduced Minimum Variation Curve (MVC), ...

    • Storage Support for Multidimensional Discrete Data in Multimedia Databases 

      Furtado, Paula; Teixeira, Jose Carlos (Blackwell Science Ltd and the Eurographics Association, 1993)
      Multidimensional discrete data (MDD) is enormously important for multimedia applications since diverse types of such data are used simultaneously by any multimedia application. However, multidimensional discrete data is ...

    • Updating Polygonizations* 

      Abellanas, M.; Garcia, J.; Hernbandez, G.; Hurtado, F.; Serra, O.; Urrutia, J. (Blackwell Science Ltd and the Eurographics Association, 1993)
      In this paper we consider polygonizations that are robust when faced with changes in the vertices that are present or in their position. We analyze the dynamic maintenance of different types of polygonizations (monotone, ...

    • Using Multimedia to Support Cooperative Editing 

      Santos, A.; Tritsch, B. (Blackwell Science Ltd and the Eurographics Association, 1993)
      By Cooperative Editing we mean the coordinated manipulation of information by a group of authors. During the editing process the (co-)authors need to communicate their ideas, drafts and constraints (remotely or face-to-face) ...

    • Variational Surface Design and Surface Interrogation 

      Hagen, H.; Hahmann, St.; Bonneau, G.-P. (Blackwell Science Ltd and the Eurographics Association, 1993)
      The generation of technical smooth surfaces from a mesh of three-dimensional data points is an important problem in geometric modelling. In this publication we give a survey of some new techniques based on a calculus of ...

    • Verve 

      Knittel, Gunter (Blackwell Science Ltd and the Eurographics Association, 1993)
      The design principles of a hardware acceleratorfor volume rendering are described. The architecture represents a voxel subsystem which interfaces easily to any existing workstation. Host requirements are low since it ...