Now showing items 221-240 of 388

    • Near-correct Ocular Accommodation Responses to a 3d Display, Using Multiple Image Planes and Depth Filtering 

      MacKenzie, Kevin J.; Watt, Simon J. (The Eurographics Association, 2009)
      Conventional stereo displays provide incorrect focus cues because the image is presented on a single surface. This is known to cause a number of aversive symptoms in users, including fatigue and discomfort. Multiple-focal-plane ...
    • Influencing User Attention Using Real-Time Stylised Rendering 

      Redmond, Niall; Dingliana, John (The Eurographics Association, 2009)
      In this paper, we present a series of experiments that were conducted to further understand how using adaptive levels of artistic abstraction within an interactive 3D scene can influence user gaze behaviour. We found that ...
    • 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.
    • Higher Dimensional Vector Field Visualization: A Survey 

      Peng, Zhenmin; Laramee, Robert S. (The Eurographics Association, 2009)
      Vector field visualization research has evolved very rapidly over the last two decades. There is growing consensus amongst the research community that the challenge of two-dimensional vector field visualization is virtually ...
    • 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 ...
    • Markerless Visual Human Movement Tracking for HCI: What Frequency? 

      Kahlesz, Ferenc; Klein, Reinhard (The Eurographics Association, 2009)
      This paper tries to establish a minimal tracking frequency limit for visual human movement tracking algorithms that intend to be useful for the realization of some kind Human-Computer-Interaction (HCI) metaphor. More ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • An Edge-based Approach to Adaptively Refining a Mesh for Cloth Deformation 

      Simnett, Timothy J. R.; Laycock, Stephen D.; Day, Andy M. (The Eurographics Association, 2009)
      Simulating cloth in real-time is a challenging endeavour due to the number of triangles necessary to depict the potentially frequent changes in curvature, in combination with the physics calculations which model 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 ...
    • 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 ...
    • 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 ...
    • An Adaptive Sampling Approach to Incompressible Particle-Based Fluid 

      Hong, Woosuck; House, Donald H.; Keyser, John (The Eurographics Association, 2009)
      We describe an adaptive particle-based technique for simulating incompressible fluid that uses an octree structure to compute inter-particle interactions and to compute the pressure field. Our method extends the hybrid ...
    • 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 ...