Now showing items 1-20 of 162

    • A Lightweight ID-Based Extension for Marker Tracking Systems 

      Flohr, Daniel; Fischer, Jan (The Eurographics Association, 2007)
      The estimation of the position and orientation of the digital video camera is a central challenge in video seethrough augmented reality. Many augmented reality applications solve this problem with the help of markerbased ...
    • Interactive Social Displays 

      Pfeiffer, Thies; Latoschik, Marc Erich (The Eurographics Association, 2007)
      The mediation of social presence is one of the most interesting challenges of modern communication technology. The proposed metaphor of Interactive Social Displays describes new ways of interactions with multi-/crossmodal ...
    • An Approach to the Evaluation of Ownership Management Techniques in Collaborative Virtual Environments 

      Garcia, Arturo; Molina, José P.; Steed, Anthony; Martínez, Diego; González, Pascual (The Eurographics Association, 2007)
      Several ownership management techniques have been proposed for maintaining consistency, one of the main factors in Collaborative Virtual Environments. However, few studies address the effect that network latency has on ...
    • Rendering on Tiled Displays using Advanced Stream Caching 

      Lorenz, Mario; Brunnett, Guido; Heinz, Marcel (The Eurographics Association, 2007)
      To render complex scenes on tiled displays efficiently modifications to the Chromium framework have been proposed that lead to significant lower processor and memory load on the client and a very effective utilization of ...
    • Functional Reactive Virtual Reality 

      Blom, Kristopher J.; Beckhaus, Steffi (The Eurographics Association, 2007)
      In this paper we introduce a VR system extension that focuses on the creation of interactive, dynamic Virtual Environments. The extension uses the recently developed programming concept, Functional Reactive Programming. ...
    • A Single Chip DLP Projector for Stereoscopic Images of High Color Quality and Resolution 

      Hopp, Armin; Havemann, Sven; Fellner, Dieter W. (The Eurographics Association, 2007)
      We present a novel stereoscopic projection system. It combines all the advantages of modern single-chip DLP technology attractive price, great brightness, high contrast, superior resolution and color quality with those ...
    • Elbe Dom: 360 Degree Full Immersive Laser Projection System 

      Schoor, Wolfram; Masik, Steffen; Hofmann, Marc; Mecke, Rüdiger; Müller, Gerhard (The Eurographics Association, 2007)
      The immersive visualization of virtual interactive environments presents an immense challenge to current representation techniques, especially multi-user applications. This paper presents a new solution to meet the drastically ...
    • A Unified Multi-Surface, Multi-ResolutionWorkspace with Camera-Based Scanning and Projector-Based Illumination 

      Johnson, Tyler; Fuchs, Henry (The Eurographics Association, 2007)
      Research in the area of projector- and camera-augmented office environments has demonstrated the use of cameras as desktop scanning devices, shown the benefits of using multiple display devices for focus and context ...
    • vrLib: A Designer Oriented Interaction and 3D User Interface Library 

      Sternberger, Ludovic; Brandel, Sylvain; Bechmann, Dominique (The Eurographics Association, 2007)
      In this paper we propose vrLib, a toolkit which aims to make 3D graphical user interface and interaction very easy to design in virtual environments. This project provides well known and new interaction techniques and ready ...
    • Requirements for Industrial Augmented Reality Tracking Systems - an Evaluation 

      Pentenrieder, Katharina; Meier, Peter; Doil, Fabian; Nölle, Stefan (The Eurographics Association, 2007)
      Industrial environments often have special requirements for AR systems and features are prioritized different than in scientific applications. The Volkswagen group (VW) wants to apply an AR-guided stud welding system for ...
    • Learning from Painting: Perspective-dependent Geometry Deformation for Perceptual Realism 

      Franke, Ingmar Steffen; Zavesky, Martin; Dachselt, Raimund (The Eurographics Association, 2007)
      Virtual environments and user interfaces in general can be improved by using the concept of Perceptual Realism, e.g. by means of non-photorealistic rendering techniques. The approach presented here follows a different path ...
    • An Immersive CAD Testbed 

      Haselberger, Frank; Bues, Matthias; Schütz, Tibor (The Eurographics Association, 2007)
      Today Virtual Environments in industry are predominantly used for passive analysis of product or production data, mostly exported from CAD systems. To investigate on potentials of future immersive CAD-modeling and feasible ...
    • Gait Parameters while Walking in a Head-mounted Display Virtual Environment and the Real World 

      Mohler, Betty J.; Campos, Jennifer L.; Weyel, Michael B.; Bülthoff, Heinrich H. (The Eurographics Association, 2007)
      Full-body motion tracking data was collected for six subjects during free walking. Each participant was asked to walk to a previously seen target under four experimental conditions: eyes closed within the real world, eyes ...
    • 3-D Reconstitution and Virtual Reality of World Heritage Site in Danger: the Citadel of Bam 

      Andaroodi, Elham; Matini, Mohammad-Reza; Abe, Nobuaki; Ono, K.; Kawai, T. (The Eurographics Association, 2007)
      This paper presents research in progress on 3-D computer simulation and a virtual reality demonstration of a world heritage site that was destroyed in the earthquake (the citadel of Bam). In a comparative study with other ...
    • Immersive Augmented Reality Display System Using a Large Semi-transparent Mirror 

      Murase, Kaori; Ogi, Tetsuro; Saito, Kouta; Koyama, Takahide (The Eurographics Association, 2007)
      This paper proposes an immersive augmented reality display system, named "AR View", that generates a high presence augmented reality environment using the immersive projection technology. In this system, the stereoscopic ...
    • Experimental Study of Haptic Interface Considering Myoelectrical Activity 

      Sone, Junji; Inoue, R.; Tsuyuki, S.; Ishikawa, K.; Yamada, K.; Kaneko, I.; Tokuyama, Y.; Fujita, K.; Sato, Makoto (The Eurographics Association, 2007)
      Many types of haptic interface for virtual reality have been proposed. These haptic interfaces mostly contain earth grounding linkages. In this study, we considered wearable haptic interfaces for improved flexibility. It ...
    • Coordinate System Transformations for Imitation of Goal-Directed Trajectories in Virtual Humans 

      Amor, Heni Ben; Weber, Matthias; Heumer, Guido; Jung, Bernhard (The Eurographics Association, 2007)
      The goal of this work is to record human hand trajectories during goal-oriented reaching behaviors in immersive VR for later imitation by a virtual human. It is desirable that the used trajectory representation generalizes ...
    • Evaluating the Effects of Haptics on Presence while Traveling in a Desktop Virtual Environment 

      Jorissen, Pieter; Vanacken, Lode; Lamotte, Wim; Coninx, Karin (The Eurographics Association, 2007)
      Virtual reality applications seek to fully immerse participants into their virtual world experience. The investigation of how stimuli on the different senses influence the users is therefore crucial. As navigation is one ...
    • STORM: a Generic Interaction and Behavioral Model for 3D Objects and Humanoids in a Virtual Environment 

      Mollet, Nicolas; Gerbaud, Stéfanie; Arnaldi, Bruno (The Eurographics Association, 2007)
      We present in this paper research focused on interaction and behavior specification for 3D objects in general, including humanoids. This research is conducted in the context of a collaboration with Nexter-Group (a French ...
    • Real-time Reconstruction of PseudoWide-angle Images with an Approximating Depth Model 

      Honda, Kenji; Hashimoto, Naoki; Sato, Makoto (The Eurographics Association, 2007)
      Recently, interactive contents with high quality images are widely used in various areas. One of the ways that makes the contents more realistic is displaying them as covering viewer's field-of-view. However, the view-angle ...