Browsing EGWR99: 10th Eurographics Workshop on Rendering by Issue Date

Now showing items 21-30 of 30

    • Information Theory Tools for Scene Discretization 

      Feixas, Miquel; Acebo, Esteve del; Bekaert, Philippe; Sbert, Mateu (The Eurographics Association, 1999)
      Finding an optimal discretization of a scene is an important but difficult problem in radiosity. The efficiency of hierarchical radiosity for instance, depends entirely on the subdivision criterion and strategy that is ...

    • Shadow Penumbras for Complex Objects by Depth-Dependent Filtering of Multi-Layer Depth Images 

      Keating, Brett; Max, Nelson (The Eurographics Association, 1999)
      This paper presents an efficient algorithm for filtering multi-layer depth images (MDIs) in order to produce approximate penumbras. The filtering is performed on a MDI that represents the view from the light source. The ...

    • Rendering Inhomogeneous Surfaces with Radiosity 

      Mostefaoui, L.; Dischler, J.M.; Ghazanfarpour, D. (The Eurographics Association, 1999)
      Natural surfaces are often complex: they nearly always exhibit small scale imperfections such as dirt, dust, cracks, etc., as well as large scale structural elements, as for wickerwork, brick walls, textiles, pebbles, etc., ...

    • Gathering for Free in RandomWalk Radiosity 

      Sbert, Mateu; Brusi, Alex; Bekaert, Philippe (The Eurographics Association, 1999)
      We present a simple technique that improves the efficiency of random walk algorithms for radiosity. Each generated random walk is used to simultaneously sample two distinct radiosity estimators. The first estimator is the ...

    • Towards Interactive Photorealistic Rendering of Indoor Scenes: A Hybrid Approach 

      Udeshi, Tushar; Hansen, Charles D. (The Eurographics Association, 1999)
      Photorealistic rendering methods produce accurate solutions to the rendering equation but are computationally expensive and typically noninteractive. Some researchers have used graphics hardware to obtain photorealistic ...

    • Group Accelerated Shooting Methods for Radiosity 

      Rousselle, Francois; Renaud, Christophe (The Eurographics Association, 1999)
      The introduction of the Progressive Refinement method was the starting point of interactivity in the radiosity illumination process. Overshooting methods brought an important acceleration to the convergence particularly ...

    • Efficient Displacement Mapping by Image Warping 

      Schaufler, Gernot; Priglinger, Markus (The Eurographics Association, 1999)
      While displacement maps can provide a rich set of visual detail on otherwise simple surfaces, they have always been very expensive to render. Rendering has been done using ray-tracing and by introducing a great number of ...

    • Rendering of Wet Materials 

      Jensen, Henrik Wann; Legakis, Justin; Dorsey, Julie (The Eurographics Association, 1999)
      The appearance of many natural materials is largely influenced by the environment in which they are situated. Capturing the effects of such environmental factors is essential for producing realistic synthetic images. In ...

    • Computing Visibility for Triangulated Panoramas 

      Fu, Chi-Wing; Wong, Tien-Tsin; Heng, Pheng-Ann (The Eurographics Association, 1999)
      A visibility algorithm for triangulated panoramas is proposed. The algorithm can correctly resolve the visibility without making use of any depth information. It is especially useful when depth information is not available, ...

    • Hierarchical Image-Based Rendering using Texture Mapping Hardware 

      Max, Nelson; Deussen, Oliver; Keating, Brett (The Eurographics Association, 1999)
      Multi-layered depth images containing color and normal information for subobjects in a hierarchical scene model are precomputed with standard zbuffer hardware for six orthogonal views. These are adaptively selected according ...