Now showing items 1-20 of 33

    • A Framework for Physically Based Forest Fire Animation 

      Gundersen, Odd Erik; Skjermo, Jo (The Eurographics Association, 2009)
      Abstract In this paper, we propose a conceptual framework for animating physically based forest fires. Animating forest fire is a computationally demanding task as trees are intricate structures and fire is a highly complex ...
    • Facial Expression Transferring with a Deformable Model 

      Xiang, Guofu; Ju, Xiangyang; Holt, Patrik O'B.; Shang, Lin (The Eurographics Association, 2009)
      This paper presents an automated approach to transferring facial expressions from a generic facial model onto various individual facial models without requiring any prior correspondences and manual interventions during the ...
    • Fast and Accurate Finite Element Method for Deformation Animations 

      Tang, Wen; Wan, Tao Ruan; Niquin, Ceddric; Schildknecht, Alexandre (The Eurographics Association, 2009)
      We present a matrix clustering method for speeding up finite element computations for non-rigid object animation. The method increases the efficiency of computing deformation dynamics through a compression scheme that ...
    • Hardware Accelerated Shaders Using FPGAs 

      Goddard, Luke; Stephenson, Ian (The Eurographics Association, 2009)
      We demonstrate that Field Programable Gate Arrays (FPGAs) can be used to accelerate shading of surfaces for production quality rendering (a task standard interactive graphics hardware is generally ill-suited to) by allowing ...
    • An Aliasing Theory of Shadow Mapping 

      Zhang, Fan; Zhao, Chong; Sun, Hanqiu (The Eurographics Association, 2009)
      Shadow mapping is a popular image-based technique for real-time shadow rendering. Although numerous improvements have been made to help anti-aliasing in shadow mapping, there is a lack of mathematical tools that allow us ...
    • Design and Evaluation of a Hardware Accelerated Ray Tracing Data Structure 

      Steffen, Michael; Zambreno, Joseph (The Eurographics Association, 2009)
      The increase in graphics card performance and processor core count has allowed significant performance accel- eration for ray tracing applications. Future graphics architectures are expected to continue increasing the ...
    • Visual Representation of Multiple Associations in Data using Constrained Graph Layout 

      Xu, Weijia; Sreevalsan-Nair, Jaya (The Eurographics Association, 2009)
      This paper presents a new approach for simultaneously visualizing multiple exclusive associations, defined on the same dataset, using constrained graph layout. We work with two different associations at a time, which can ...
    • Automatically Generating Virtual Humans using Evolutionary Algorithms 

      Albin-Clark, Adrian; Howard, Toby (The Eurographics Association, 2009)
      Abstract Virtual Humans are used in many applications either as an embodiment of a real person (an "avatar"), or under the control of a computer program (an "agent" or "non-player character"). The automatic generation of ...
    • Accelerating Raycasting Utilizing Volume Segmentation of Industrial CT Data 

      Frey, Steffen; Ertl, Thomas (The Eurographics Association, 2009)
      We propose a flexible acceleration technique for raycasting targeted at industrial CT data and the context of material deficiency checking. Utilizing volume segmentation that is typically employed for object analysis, GPU ...
    • Texture Classification using Fractal Geometry for the Diagnosis of Skin Cancers 

      Blackledge, J. M.; Dubovitskiy, D. A. (The Eurographics Association, 2009)
      We present an approach to object detection and recognition in a digital image using a classification method that is based on the application of a set of features that include fractal parameters such as the Lacunarity and ...
    • Object Interaction Using Tabulated Spheres Subsets 

      Newball, Andres A. Navarro; Wyvill, Geoff; McCane, Brendan (The Eurographics Association, 2009)
      Tabulated Sphere Subsets (TSSs) provide a fast way to approximate collision tests between objects whose motion is constrained. A TSS is a subset of a set of spheres that approximate the shape of two objects that might ...
    • Simulation of X-ray Attenuation on the GPU 

      Vidal, Franck P.; Garnier, Manuel; Freud, Nicolas; Létang, Jean Michel; John, Nigel W. (The Eurographics Association, 2009)
      In this paper, we propose to take advantage of computer graphics hardware to achieve an accelerated simulation of X-ray transmission imaging, and we compare results with a fast and robust software-only implementation. The ...
    • Multimodal Visualization with Interactive Closeups 

      Ropinski, Timo; Viola, Ivan; Biermann, Martin; Hauser, Helwig; Hinrichs, Klaus (The Eurographics Association, 2009)
      Abstract Closeups are used in illustrations to provide detailed views on regions of interest. They are integrated into the rendering of the whole structure in order to reveal their spatial context. In this paper we present ...
    • A Haptic System for Drilling into Volume Data with Polygonal Tools 

      Liu, Yu; Laycock, Stephen D. (The Eurographics Association, 2009)
      With the developments of volume visualization technology for complex data sets comes new challenges in terms of user interaction and information extraction. Volume haptics has proven itself to be an effective way of ...
    • Distance Based Feature Detection on 3D Point Sets 

      Ramli, Ahmad; Ivrissimtzis, Ioannis (The Eurographics Association, 2009)
      We propose a distance based algorithm for implicit feature detection on 3D point sets. Instead of directly determining whether a point belongs to a feature of the 3D point set or not, we first compute the distance between ...
    • Interactive Relighting for Stage Use 

      Stephenson, Ian (The Eurographics Association, 2009)
      Re-lighting by combining images taken under known lighting conditions to synthesise new lighting configurations is a simple, but powerful technique capable of producing impressive results. However it has found little ...
    • Developing an Application to Provide Interactive Threedimensional Visualisation of Bone Fractures 

      Wilson, Arline F.; Musgrove, Peter B.; Buckley, Kevan A.; Pearce, Gill; Geoghegan, John (The Eurographics Association, 2009)
      The main research question for this work is: What are the factors involved in developing a three-dimensional (3D) interactive model of a bone fracture and how best may these be addressed? This paper presents work in progress ...
    • Touching The Invisible - Molecular Haptics 

      Davies, R. Andrew; Maskery, James S.; John, Nigel W. (The Eurographics Association, 2009)
      Novel, simple, cost-effective applications combining haptics and computer graphics for the study of key chemical concepts such as reactivity and periodicity at AS/A-level and undergraduate level are described.
    • Uncertain Flow Visualization using LIC 

      Osorio, Rodolfo S. Allendes; Brodlie, Ken W. (The Eurographics Association, 2009)
      In this paper we look at the Line Integral Convolution method for flow visualization and ways in which this can be applied to the visualization of two dimensional, steady flow fields in the presence of uncertainty. To ...
    • An Improved Precise Multi-contact Haptic Visualization 

      Flasar, Jan; Kovalcík, Vít; Sochor, Jirí (The Eurographics Association, 2009)
      We present an improved multi-contact haptic visualization method based on the Spatialized Normal Cone Hier- archies (SNCH). Though this approach is not entirely new, we have implemented several improvements in order to ...