Browsing by Title

Now showing items 4167-4186 of 17315

    • Efficient Acquisition and Clustering of Local Histograms for Representing Voxel Neighborhoods 

      Meß, Christian; Ropinski, Timo (The Eurographics Association, 2010)
      In the past years many interactive volume rendering techniques have been proposed, which exploit the neighboring environment of a voxel during rendering. In general on-the-fly acquisition of this environment is infeasible ...

    • Efficient Acquisition, Representation, and Rendering of Light Fields 

      Schirmacher, Hartmut (Schirmacher, Hartmut, 2003-12-16)
      In this thesis we discuss the representation of three-dimensional scenes using image data (image-based rendering), and more precisely the so-called light field approach. We start with an up-to-date survey on previous ...

    • An Efficient Adaptive Algorithm for Constructing the Convex Differences Tree of a Simple Polygon 

      Rappoport, Ari (Blackwell Science Ltd and the Eurographics Association, 1992)
      The convex differences tree (CDT) representation of a simple polygon is useful in computer graphics, computer vision, computer aided design and robotics. The root of the tree contains the convex hull of the polygon and ...

    • Efficient Adaptive Deferred Shading with Hardware Scatter Tiles 

      Mallett, Ian; Yuksel, Cem; Seiler, Larry (ACM, 2020)
      Adaptive shading is an effective mechanism for reducing the number of shaded pixels to a subset of the image resolution with minimal impact on final rendering quality. We present a new scheduling method based on on-chip ...

    • Efficient Adaptive Subdivision of Bezier Surfaces 

      Clay, Reed D.; Moreton, Henry P. (Eurographics Association, 1988)
      The support of free-form surfaces by modem solid modeling systems has necessitated the development of hardware and algorithms for the interactive display of surface patches. This paper describes an algorithm for the display ...

    • An Efficient Algorithm for Adaptive Segmentation and Tessellation with Pixel Precision 

      Martinelli, Alessandro (The Eurographics Association, 2007)
      We propose a new algorithm to get a representation of a curved surface with the precision of the image pixel. This technique uses some results from Scan-line algorithms, but it considers also the new functionalities from ...

    • An Efficient Algorithm for Determining an Aesthetic Shape Connecting Unorganized 2D Points 

      Ohrhallinger, S.; Mudur, S. (The Eurographics Association and Blackwell Publishing Ltd., 2013)
      We present anefficient algorithm for determining an aesthetically pleasing shape boundary connecting all the points in a given unorganized set of 2D points, with no other information than point coordinates. By posing shape ...

    • An Efficient Algorithm for Line Clipping by Convex and Non-convex Polyhedra in E3 

      Skala, Vaclav (Blackwell Science Ltd and the Eurographics Association, 1996)
      A new algorithm for clipping lines against convex polyhedron with O(N) complexity is given with modification for non-convex polyhedron. The suggested algorithm is faster for higher number of facets of the given polyhedron ...

    • Efficient Algorithms for Computing Conservative Portal Visibility Information 

      Jimenez, W. F. H.; Esperanca, C.; Oliveira, A. A. F. (Blackwell Publishers Ltd and the Eurographics Association, 2000)
      The number of polygons in realistic architectural models is many more than can be rendered at interactive frame rates. Typically, however, due to occlusion by opaque surfaces (e.g., walls), only small fractions of such ...

    • Efficient Ambient and Emissive Tissue Illumination using Local Occlusion in Multiresolution Volume Rendering 

      Hernell, Frida; Ljung, Patric; Ynnerman, Anders (The Eurographics Association, 2007)
      This paper introduces a novel technique to compute illumination for Direct Volume Rendering. By adding shadow effects to volume rendered images, the perception of shapes and tissue properties can be significantly improved ...

    • Efficient and Accurate Multi-Instance Point Cloud Registration with Iterative Main Cluster Detection 

      Yu, Zhiyuan; Zheng, Qin; Zhu, Chenyang; Xu, Kai (The Eurographics Association, 2024)
      Multi-instance point cloud registration is the problem of recovering the poses of all instances of a model point cloud in a scene point cloud. A traditional solution first extracts correspondences and then clusters the ...

    • Efficient and Accurate Rendering of Complex Light Sources 

      Kniep, S.; Haering, S.; Magnor, M. (The Eurographics Association and Blackwell Publishing Ltd, 2009)
      We present a new method for estimating the radiance function of complex area light sources. The method is based on Jensen s photon mapping algorithm. In order to capture high angular frequencies in the radiance function, ...

    • Efficient and Adaptive Rendering of 2-D Continuous Scatterplots 

      Bachthaler, Sven; Weiskopf, Daniel (The Eurographics Association and Blackwell Publishing Ltd., 2009)
      We extend the rendering technique for continuous scatterplots to allow for a broad class of interpolation methods within the spatial grid instead of only linear interpolation. To do this, we propose an approach that projects ...

    • Efficient and Consistent Algorithms for Determining the Containment of Points in Polygons and Polyhedra 

      Chen, Min; Townsend, Teeter (Eurographics Association, 1987)
      Algorithms are presented for the determination of whether a given point E<sup>2</sup> in is interior to, exterior to or on an arbitrary polygonal boundary and for the determination of whether a point in E <sup>3</sup> is ...

    • Efficient and Dynamic Simplification of Line Drawings 

      Shesh, Amit; Chen, Baoquan (The Eurographics Association and Blackwell Publishing Ltd, 2008)
      In this paper we present a pipeline for rendering dynamic 2D/3D line drawings efficiently. Our main goal is to create efficient static renditions and coherent animations of line drawings in a setting where lines can be ...

    • Efficient and Expressive Microfacet Models 

      Atanasov, Asen (Charles University, 2023)
      In realistic appearance modeling, rough surfaces that have microscopic details are described using so-called microfacet models. These include analytical models that statistically define a physically-based microsurface. ...

    • An Efficient and Flexible Perception Pipeline for Autonomous Agents 

      Bordeux, Christophe; Boulic, Ronan; Thalmann, Daniel (Blackwell Publishers Ltd and the Eurographics Association, 1999)
      Agents in virtual environments require a combination of perception and action to behave in an autonomous way. We extend a software architecture for the management of actions blending, called AGENTlib, with a perception ...

    • Efficient and Handy Texture Mapping on 3D Surfaces 

      Matsushita, Kenji; Kaneko, Toyohisa (Blackwell Publishers Ltd and the Eurographics Association, 1999)
      There has been a rapid technical progress in three-dimensional (3D) computer graphics. But gathering surface and texture data is yet a laborious task. This paper addresses the problem of mapping photographic images on the ...

    • Efficient and High Performing Biometrics: Towards Enabling Recognition in Embedded Domains 

      Boutros, Fadi (2022-06-14)
      The growing need for reliable and accurate recognition solutions along with the recent innovations in deep learning methodologies has reshaped the research landscape of biometric recognition. Developing efficient biometric ...

    • Efficient and Prioritized Point Subsampling for CSRBF Compression 

      Kitago, Masaki; Gopi, M. (The Eurographics Association, 2006)
      We present a novel cost function to prioritize points and subsample a point set based on the dominant geometric features and local sampling density of the model. This cost function is easy to compute and at the same time ...