EG UK Theory and Practice of Computer Graphics: Recent submissions

Now showing items 281-300 of 388

    • A Flexible Approach to High Performance Visualization Enabled Augmented Reality 

      Hughes, Chris J.; John, Nigel W. (The Eurographics Association, 2007)
      Commonly registration and tracking within Augmented Reality (AR) applications have been built around computer vision techniques that use limited bold markers, which allow for their orientation to be estimated in real-time. ...

    • Towards Individualized Ageing Functions for Human Face Images 

      Hunter, David W.; Tiddeman, Bernard P. (The Eurographics Association, 2007)
      We present an overview of work in progress to create ageing functions for the transformation of human face images. Our aims are twofold; Firstly, by extension to three dimensions, the problems of pose and lighting associated ...

    • Seamless Mesh Stitching Using Curve Approximation 

      Gobeawan, Like; Xu, Shuhong; Turner, Stephen John (The Eurographics Association, 2007)
      Stitching two mesh partitions at their boundaries poses some challenges, especially when a visually seamless result is desired. In general, direct stitching of mismatching mesh boundaries does not readily produce a seamless ...

    • A Novel Control Mechanism for Distributed Stream Rendering 

      O'Brien, J. T.; Kalawsky, R. S. (The Eurographics Association, 2007)
      This paper describes a new control mechanism for distributed rendering. Control mechanisms have previously been widely used in many fields from autonomous robots to video streaming. Their use in video streaming has allowed ...

    • Adaptive Infrastructure for Visual Computing 

      Brodlie, K. W.; Brooke, J.; Chen, M.; Chisnall, D.; Hughes, C. J.; John, Nigel W.; Jones, M. W.; Riding, M.; Roard, N.; Turner, M.; Wood, J. D. (The Eurographics Association, 2007)
      Recent hardware and software advances have demonstrated that it is now practicable to run large visual computing tasks over heterogeneous hardware with output on multiple types of display devices. As the complexity of the ...

    • Viewing 0.3Tb Heart Simulation Data At Your Desk 

      Grimstead, I. J.; Kharche, S.; Zhang, H.; Avis, N. J.; Walker, D. W. (The Eurographics Association, 2007)
      Atrial fibrillation (AF) affects a large section of the aged population, accounting for nearly 1% of total National Health Service (NHS) expenditure. Modelling of this condition to promote further understanding is hence ...

    • Bifocal Radial Visualization of Intranet Search Results using Image Caching 

      Zschimmer, Andreas J.; Roberts, Jonathan C. (The Eurographics Association, 2007)
      This paper presents a novel image caching strategy implemented for our bifocal radial visualization for Intranet search visualization. This visualization displays search results by combining hierarchical information with ...

    • Delivering Effective and Usable Interactive 3D Visualization on Lightweight Mobile Devices 

      Holmes, I. R.; Kalawsky, R. S. (The Eurographics Association, 2007)
      3D visualization has significantly enhanced scientists ability to discover important new insights into their data. In this paper we focus specifically on associated HCI and human factors of remote 3D visualization. We ...

    • A Statistically-Assisted Sketch-Based Interface for Creating Arbitrary 3-dimensional Faces 

      Gunnarsson, Orn; Maddock, Steve (The Eurographics Association, 2007)
      Creating faces is important in a number of application areas. Faces can be constructed using commercial modelling tools, existing faces can be transferred to a digital form using equipment such as laser scanners, and law ...

    • An Immersive Granular Material Visualization System with Haptic Feedback 

      Dorjgotov, Enkhtuvshin; Benes, Bedrich; Madhavan, Krishna (The Eurographics Association, 2007)
      Recent advances in distributed virtual reality systems and haptic technologies provide new opportunities to augment human sense of touch into highly complex and immersive visual simulations. Haptic feedback further enhances ...

    • Simulating Film Grain using the Noise-Power Spectrum 

      Stephenson, Ian; Saunders, Arthur (The Eurographics Association, 2007)
      Film grain is an essential part of real images. The artifacts it introduces add character to images, which can otherwise appear too perfect. This paper considers the synthesis of film grain based upon its noise-power ...

    • Scanline Edge-flag Algorithm for Antialiasing 

      Kallio, Kiia (The Eurographics Association, 2007)
      In this paper, a novel algorithm for rendering antialiased 2D polygons is presented. Although such algorithms do exist, they are inefficient when comparing to non-antialiased alternatives. This has lead to a situation where ...

    • Speeding Up Isosurfacing: The Matryoshka Algorithm 

      Lopes, Sergio; Lopes, Adriano; Santos, M. Prospero dos (The Eurographics Association, 2007)
      We propose a hybrid algorithm for isosurface visualization that embraces both polygon rendering and direct surface rendering concepts. It uses raytracing to achieve high image quality but avoids the associated empty ray ...

    • Advantages of allowing Hexagonal Pixels to be used as a Boundary Description Format 

      Turner, Martin J. (The Eurographics Association, 2007)
      This paper considers some algorithmic extensions and some specific advantages when using a hexagonal pixel array as compared with the usual practice of using a rectangular or square pixel raster array. Discussed are some ...

    • A Distance Hierarchy to Detect Collisions Between Deformable Objects 

      Madera, Francisco A.; Day, Andy M.; Laycock, Stephen D. (The Eurographics Association, 2007)
      To detect collisions between deformable objects we introduce an algorithm that computes the closest distances between certain feature points defined in their meshes. The strategy is to divide the objects into regions and ...

    • Stability Analysis of Filtered Mass-Spring Systems 

      Ahmad, Alexandre; Adly, Samir; Terraz, Olivier; Ghazanfarpour, Djamchid (The Eurographics Association, 2007)
      Mass-spring systems simulations rely on the numerical integration method used for solving the resulting ordinary differential equations. Implicit schemes, which solve such equations, are unconditionally stable and are thus ...

    • Perception-Based Lighting-by-Example 

      Ha, Hai Nam; Olivier, Patrick (The Eurographics Association, 2007)
      In computer graphics, easy-to-use tools for configuring lighting for 3D scenes are required by users. Following a perception-based lighting design framework, which models image quality using cognitively inspired objective ...

    • GPU-Based Wind Animation of Trees 

      Skjermo, Jo (The Eurographics Association, 2007)
      This paper present a simplified approach to wind animation of natural looking tree stems and branches. The presented approach is composed from several earlier works by a number of authors, each adapted to increase its ...

    • MTCut: GPU-based Marching Tetra Cuts 

      Monclus, Eva; Navazo, Isabel; Vazquez, Pere-Pau (The Eurographics Association, 2007)
      Isosurface construction and rendering based on tetrahedral grids has been adequately implemented on programmable graphics hardware. In this paper we present MTCut: a volume cutting algorithm that is able to cut isosurfaces ...

    • The Dynamic Animation of Ambulatory Arthropods 

      Cenydd, Llyr ap; Teahan, William (The Eurographics Association, 2007)
      Whilst advances in real-time computer graphics continue to permit the development of increasingly vivid virtual worlds, the degree of interaction between the environment and the animated characters within remains relatively ...