Now showing items 18-29 of 29

    • On Floating-Point Normal Vectors 

      Meyer, Quirin; Suessmuth, Jochen; Sussner, Gerd; Stamminger, Marc; Greiner, Guenther (The Eurographics Association and Blackwell Publishing Ltd, 2010)
      In this paper we analyze normal vector representations. We derive the error of the most widely used representation, namely 3D floating-point normal vectors. Based on this analysis, we show that, in theory, the discretization ...
    • On the Effective Dimension of Light Transport 

      Lessig, Christian; Fiume, Eugene (The Eurographics Association and Blackwell Publishing Ltd, 2010)
      Light transport is often characterized within a high-dimensional space although practitioners have long known that it commonly behaves as a much lower-dimensional phenomenon. We study the effective dimension of light ...
    • An Optimizing Compiler for Automatic Shader Bounding 

      Clarberg, Petrik; Toth, Robert; Hasselgren, Jon; Akenine-Moeller, Tomas (The Eurographics Association and Blackwell Publishing Ltd, 2010)
    • Patch-based Texture Interpolation 

      Ruiters, Roland; Schnabel, Ruwen; Klein, Reinhard (The Eurographics Association and Blackwell Publishing Ltd, 2010)
      In this paper, we present a novel exemplar-based technique for the interpolation between two textures that combines patch-based and statistical approaches. Motivated by the notion of texture as a largely local phenomenon, ...
    • A PCA Decomposition for Real-time BRDF Editing and Relighting with Global Illumination 

      Nguyen, Chuong H.; Kyung, Min-Ho; Lee, Joo-Haeng; Nam, Seung-Woo (The Eurographics Association and Blackwell Publishing Ltd, 2010)
      We propose a novel rendering method which supports interactive BRDF editing as well as relighting on a 3D scene. For interactive BRDF editing, we linearize an analytic BRDF model with basis BRDFs obtained from a principal ...
    • Real-Time Concurrent Linked List Construction on the GPU 

      Yang, Jason C.; Hensley, Justin; Gruen, Holger; Thibieroz, Nicolas (The Eurographics Association and Blackwell Publishing Ltd, 2010)
      We introduce a method to dynamically construct highly concurrent linked lists on modern graphics processors. Once constructed, these data structures can be used to implement a host of algorithms useful in creating complex ...
    • SafeGI: Type Checking to Improve Correctness in Rendering System Implementation 

      Ou, Jiawei; Pellacini, Fabio (The Eurographics Association and Blackwell Publishing Ltd, 2010)
      Historically, rendering system development has been mainly focused on improving the numerical accuracy of the rendering algorithms and their runtime efficiency. In this paper, we propose a method to improve the correctness ...
    • Semi-Stochastic Tilings for Example-Based Texture Synthesis 

      Schloemer, Thomas; Deussen, Oliver (The Eurographics Association and Blackwell Publishing Ltd, 2010)
      We investigate semi-stochastic tilings based on Wang or corner tiles for the real-time synthesis of example-based textures. In particular, we propose two new tiling approaches: (1) to replace stochastic tilings with ...
    • Sparsely Precomputing The Light Transport Matrix for Real-Time Rendering 

      Huang, Fu-Chung; Ramamoorthi, Ravi (The Eurographics Association and Blackwell Publishing Ltd, 2010)
      Precomputation-based methods have enabled real-time rendering with natural illumination, all-frequency shadows, and global illumination. However, a major bottleneck is the precomputation time, that can take hours to days. ...
    • Spectralization: Reconstructing spectra from sparse data 

      Rump, Martin; Klein, Reinhard (The Eurographics Association and Blackwell Publishing Ltd, 2010)
      Traditional RGB reflectance and light data suffers from the problem of metamerism and is not suitable for rendering purposes where exact color reproduction under many different lighting conditions is needed. Nowadays many ...
    • Two Methods for Fast Ray-Cast Ambient Occlusion 

      Laine, Samuli; Karras, Tero (The Eurographics Association and Blackwell Publishing Ltd, 2010)
      Ambient occlusion has proven to be a useful tool for producing realistic images, both in offline rendering and interactive applications. In production rendering, ambient occlusion is typically computed by casting a large ...
    • Visibility Editing For All-Frequency Shadow Design 

      Obert, Juraj; Pellacini, Fabio; Pattanaik, Sumanta (The Eurographics Association and Blackwell Publishing Ltd, 2010)
      We present an approach for editing shadows in all-frequency lighting environments. To support artistic control, we propose to decouple shadowing from lighting and focus on providing intuitive controls to edit the former. ...