Browsing EG1990 Proceedings (Technical Papers) by Title

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Browsing EG1990 Proceedings (Technical Papers) by Title

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  • Neveu, Marc; Faudot, Dominique (Eurographics Association, 1990)
    Our work purpose is to elaborate a geometric and motional model for deformable solids, known only by a very small number of general crosssections images. We start from a generic 3D model of the studied solid we distort ...
  • Velho, Luiz (Eurographics Association, 1990)
    This paper presents a method to generate a polygonal approximation of implicit surfaces. Space partitioning by simplicial decomposition is used to sample the surface, which provides an unambiguous framework for polygon ...
  • Li, Xinyou; Sun, Jiaguang; Tang, Zesheng (Eurographics Association, 1990)
    It is essential and pressing to improve reliability of Boolean operations in geometric modelling systems. The Boolean operations in commercial systems now available are not reliable enough because of numerical calculation ...
  • Faconti, Giorgio P.; Paterno, Fabio (Eurographics Association, 1990)
    In this paper we present the preliminary results from a work aiming to the formal specification af a model suitable for the description of interactive graphics program within the framework defined by the Reference Model ...
  • Ding, Chen; Mateti, Prabhaker (Eurographics Association, 1990)
    Automatic drawing of aesthetically pleasing data structure diagrams is a challenging problem which has attracted much research attention. In building such a system, we are confronted with four basic problems: (1) proper ...
  • Koch, Reinhard (Eurographics Association, 1990)
    A model based analysis by synthesis algorithm is presented. It combines image analysis and synthesis techniques to obtain a three dimensional scene description and to generate synthetic movies out of that scene description. ...
  • Falcidieno, Bianca; Spagnuolo, Michela (Eurographics Association, 1990)
    This paper presents a method for extracting and representang features of a topographic surface approximated by triangular tales An algorithm as given which computes characteristic regions (a. e. regions having concave, ...
  • Metaxas, Dimitris; Milios, Evangelos (Eurographics Association, 1990)
    In this paper we solve the problem of reconstructing a color image from sparse, noisy, and nonuniformly distributed color measurements. We apply a method for reconstructing a surface from sparse depth measurements to each ...
  • Bourdin, J.J.; Braquelaire, J.P. (Eurographics Association, 1990)
    In interactive 2D synthesis applications, features for filling regions are generally elementary (uniform colouring, filling with a regular pattern.. .). Interactive design of 2D colour shadings raises two major problems: ...
  • - (Eurographics Association, 1990)
  • Kalra, Devendra; Barr, Alan H. (Eurographics Association, 1990)
    In this paper, we describe a new kind of constraint-based figure-maker for parametrically defined curves. Figures are made by defining objects and imposing constraints on their geometric behavior. We present a formulation ...
  • Tanaka, Toshimitsu; Talcahashi, Tokiichiro (Eurographics Association, 1990)
    This paper proposes a new hidden surface removal algorithm which is based on the scanline algorithm but scans in two directions, horizontally and vertically. Named the cross scanline algorithm, it can efficiently detect ...
  • Samara, Veronika; Schaub, Jutta; Noll, Stefan (Eurographics Association, 1990)
    In the world of electronic publishing page description languages describe a very powerful interface between document creation software and raster output devices. 3D graphics systems offer the possibility to give a more or ...
  • Fellner, Dieter W.; Kappe, F. (Eurographics Association, 1990)
    Systems allowing the creation and manipulation of graphical information (so-called Graphic Editors) have become essential in various fields of applications. At the same time the typical user of such a system has changed. ...
  • Girard, P.; Pierra, G.; Guittet, L. (Eurographics Association, 1990)
    In recent years, the number of computer end-users who do not know programming has increased rapidly. This new phenomenon has spurred a great deal of research about program design using very different approaches from the ...
  • Abi-Ezzi, Salim S.; Wozny, Michael J. (Eurographics Association, 1990)
    We identify an intermediate coordinate system situated between world coordinates and display coordinates, which exhibits unique features for lighting calculations and for clipping in homogeneous coordinates. Our key ...
  • Sakas, Georgios (Eurographics Association, 1990)
    In recent years a number of techniques have been developed for rendering volume effects (haze, fog, smoke, clouds, etc.). These techniques are either time consuming (ray-tracing, radiosity) or do not account for arbitrary ...
  • Meyer, Urs (Eurographics Association, 1990)
    This paper presents a new ray-tracing technique for generating soft shadows. The technique treats scenes consisting of light sources and opaque objects which are polygons or polyhedra of arbitrary shape and size. To determine ...
  • Bieri, Hanspeter (Eurographics Association, 1990)
    Hyperimages represent a variation of the conventional digital images which implies pixels of different dimensions within the same image. The extent of a hyperimage is the disjoint union of all pixel extents it contains, ...
  • Howard, T.L.J.; Hewitt, W.T.; Larkin, S. (Eurographics Association, 1990)
    The Programmer’s Hierarchical Interactive Graphics System (PHIGS) is an International Standard for integrating application modelling and interactive computer graphics. With PHIGS, application models are constructed from ...

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