Now showing items 1-20 of 21

    • An Architecture for Spatial Audio Servers 

      Burgess, David A.; Verlinden, Jouke C. (Georgia Institute of Technology, 1993)
      Before spatial sound can be useful in large software systems, there must be a sufficient application programmer's interface (API) for the control of the spatial audio system and for the management of finite audio processing ...
    • Can Audio Enhance Visual Perception and Performance in a Virtual Environment? 

      Davis, Elizabeth Thorpe; Scott, Kevin; Pair, Jarrell; Hodges, Larry F.; Oliverio, James (Georgia Institute of Technology, 1999)
      Does the addition of audio enhance visual perception and performance within a virtual environment? To address this issue we used both a questionnaire and an experimental test of the effect of audio on recall and recognition ...
    • COOLVR: Implementing Audio in a Virtual Environment Toolkit 

      Pair, Jarrell; Kooper, Rob (Georgia Institute of Technology, 1998)
      COOLVR (Complete Object Oriented Library for Virtual Reality) is a toolkit currently being developed at the Graphics, Visualization, and Usability Center (GVU) at Georgia Tech. The toolkit is written to allow programmers ...
    • The Educational Value of an Information-Rich Virtual Environment 

      Bowman, Douglas A.; Wineman, Jean Davison; Hodges, Larry F. (Georgia Institute of Technology, 1998)
      "Information-rich" virtual environments consist not only of three-dimensional graphics and other spatial data, but also include information of an abstract or symbolic nature that is related to the space. We present evidence ...
    • Effectiveness of Peripheral Level of Detail Degradation When Used with Head-Mounted Displays 

      Watson, Benjamin A. (Benjamin Allen); Walker, Neff; Hodges, Larry F.; Worden, Aileen (Georgia Institute of Technology, 1996)
      Two user studies were performed to evaluate the effectiveness of level of detail (LOD) degradation in the periphery of head-mounted displays. In the first study, spatial detail was degraded by reducing resolution. In the ...
    • The Effects of Variation of System Responsiveness on User Performance in Virtual Environments 

      Watson, Benjamin A. (Benjamin Allen); Walker, Neff; Ribarsky, William; Spaulding, Victoria (Georgia Institute of Technology, 1996)
      This paper reports on study of the effects on user performance of system responsiveness in VE systems. Responsiveness is a time-to-feedback measure, and includes the well-known system latency and frame time, as well as an ...
    • Evaluation of Display Parameters Affecting User Performance of an Interactive Task in a Virtual Environment 

      McWhorter, Shane William; Hodges, Larry F.; Rodriguez, Walter E. (Georgia Institute of Technology, 1991)
      Although the popularity of virtual environments is widely known, little is known about the usability of virtual environment displays. This paper presents experimental data on the effect of virtual environment display ...
    • Evaluation of Movement Control Techniques for Immersive Virtual Environments 

      Bowman, Douglas A.; Koller, David; Hodges, Larry F. (Georgia Institute of Technology, 1996)
      We present a categorization of techniques for first-person movement or travel through immersive virtual environments, as well as a framework for evaluating the quality of different techniques for specific virtual environment ...
    • Exploratory Design of Animal Habitats Within an Immersive Virtual Environment 

      Bowman, Douglas A.; Wineman, Jean Davison; Hodges, Larry F. (Georgia Institute of Technology, 1998)
      One of the first useful applications of virtual environments (VEs) was the architectural walkthrough, in which users view buildings or other structures in a natural, interactive manner. The obvious next step is to allow ...
    • A First Experience with Spatial Audio in a Virtual Environment 

      Burgess, David A.; Verlinden, Jouke C. (Georgia Institute of Technology, 1993)
      This report describes a first attempt to use a 3D audio in a virtual environment and the lessons learned from the experience.
    • Gorillas in the Bits 

      Allison, Donald Lee, Jr.; Wills, Brian Wesley; Hodges, Larry F.; Wineman, Jean Davison (Georgia Institute of Technology, 1996)
      The Virtual Reality Gorilla Exhibit is a system for teaching users about gorilla behaviors and social interactions. The system includes an accurate model of the Zoo Atlanta gorilla habitats and anthropometrically correct ...
    • The Graphics, Visualization, and Usability Center Brochure 

      Badre, Albert; Berger, Marc; Corso, Gregory M.; Davis, Elizabeth Thorpe; Ezquerra, Norberto F.; Foley, James D.; Govindaraj, T.; Guenter, Brian K.; Hodges, Larry F.; Hodges, Laurie Beth; Hudson, Scott E.; Lawton, Daryl T.; Mitchell, C. M. (Christine M.); Morton, Joan C.; Mynatt, Elizabeth D.; Putnam, Bill; Ribarsky, William; Rodriguez, Walter E.; Shonkwiler, Ronald W.; Sinclair, Michael J.; Stasko, John T.; Sukaviriya, Piyawadee (Noi); Trauner, Mary; Walker, Neff (Georgia Institute of Technology, 1991)
      Graphics, Visualization, and Usability (GVU) is an interdisciplinary area which draws its intellectual foundations from Computer Science, Psychology, Industrial and Systems Engineering, and Computer Engineering, and which ...
    • Integrating Perceptual and Symbolic Information in VR 

      Bolter, J. David; Hodges, Larry F.; Meyer, Thomas C.; Nichols, Alison (Georgia Institute of Technology, 1995)
      Inside or outside the lab, most current VR aims at reproducing perceptual experience. The goal is to give the user the sensation that he or she is walking along a hallway in a building, flying over a city, or riding in a ...
    • A Methodology for the Evaluation of Travel Techniques for Immersive Virtual Environments 

      Bowman, Douglas A.; Koller, David; Hodges, Larry F. (Georgia Institute of Technology, 1998)
      We present a framework for the analysis and evaluation of travel, or viewpoint motion control, techniques for use in immersive virtual environments (VEs). The basic construct of this framework is a taxonomy of travel ...
    • The NA3 Audio Server 

      Burgess, David A. (Georgia Institute of Technology, 1994)
      NA3 is an audio server designed to provide a starting point for the study of audio implementation in complex auditory displays, virtual environments, and computer-supported collaboration systems. The NA3 server allows ...
    • Simulation Levels of Detail for Real-time Animation 

      Hodgins, Jessica K.; Carlson, Deborah A. (Georgia Institute of Technology, 1996)
      When sufficient computing power is available, dynamic simulation can be used as a source of motion for real-time, interactive virtual environments. In this paper, we explore techniques for reducing the computational cost ...
    • Toolsets for the Development of Highly Interactive and Information-Rich Virtual Environments 

      Bowman, Douglas A.; Hodges, Larry F. (Georgia Institute of Technology, 1998)
      This paper describes a unique set of programming toolsets which are designed specifically to aid in the authoring of immersive virtual environment (VE) applications. The first toolset provides a wide range of user interface ...
    • User Interface Constraints for Immersive Virtual Environment Applications 

      Bowman, Douglas A.; Hodges, Larry F. (Georgia Institute of Technology, 1995)
      Applications of Virtual Environments (VEs) are rapidly becoming more complex and interactive. They are not restricted to tasks that are solely perceptual in nature; rather, they involve both perception and action on the ...
    • Virtual Environments Research at the Georgia Tech GVU Center 

      Hodges, Larry F.; Bolter, J. David; Mynatt, Elizabeth D.; Ribarsky, William; Van Teylingen, Ron (Georgia Institute of Technology, 1993)
      The Grapics, Visualization, and Usability (GVU) Center was established at Georgia Tech in 1991 in recognition of the central importance of these three disciplines to the future growth of computing. The key emphasis ...
    • Virtual GIS: A Real-Time 3D Geographic Information System 

      Koller, David; Lindstrom, Peter; Ribarsky, William; Hodges, Larry F.; Faust, Nick L. (Nickolas Lea); Turner, Gregory (Georgia Institute of Technology, 1995)
      Advances in computer graphics hardware and algorithms, visualization, and interactive techniques for analysis offer the components for a highly integrated, efficient real-time 3D Geographic Information System. We have ...