Now showing items 5-24 of 28

    • 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 ...
    • Direct Visuo-Haptic Display System Using a Novel Concept 

      Bordegoni, Monica; Covarrubias, Mario (The Eurographics Association, 2007)
      In this short paper we describe a Direct Visuo-Haptic Display System (DVHDS) setup based on a DLP projector, an overhead projection plane and a half silvered mirror. The system is specifically designed for being integrated ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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. ...
    • 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 ...
    • Hybrid Information Presentation: Combining a Portable Augmented Reality Laser Projector and a Conventional Computer Display 

      Schwerdtfeger, Bjoern; Klinker, Gudrun (The Eurographics Association, 2007)
      We present a three dimensional, user centered instruction placement system that is geared toward supporting high quality ubiquitous information presentation in industrial environments. Our system uses a hybrid information ...
    • 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 ...
    • 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 ...
    • Improved 3D Interactive Devices for Passive and Active Stereo Virtual Environments 

      Wormell, Dean; Foxlin, Eric; Katzman, Patricia (The Eurographics Association, 2007)
      This paper introduces a new set of tracking devices for 3D virtual environment interaction and reviews enhancements including device miniaturization, power reduction, and ruggedization. The goal of these improvements was ...
    • 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 ...
    • 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 ...
    • 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 ...
    • Monocular Head Tracking for Desktop Virtual Environments 

      Korkalo, Otto; Takala, Tapio (The Eurographics Association, 2007)
      We present an approach to head tracking to be applied in desktop virtual environments. The system is able to estimate both the position and orientation of the user s head using only monocular view. In our approach, the ...
    • A Quantitative Assessment of the Impact on Spatial Understanding of Exploring a Complex Immersive Virtual Environment using Augmented Real Walking versus Flying 

      Interrante, Victoria; O'Rourke, Eleanor; Gray, Leanne; Anderson, Lee; Ries, Brian (The Eurographics Association, 2007)
      When an immersive virtual environment spans an area that is larger than the available physical space for real walking, one may use an augmented walking method such as Seven League Boots to enable participants to explore ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...