Perceptual gaze extent & level of detail in VR: looking outside the box

  • Authors:
  • Hunter Murphy;Andrew T. Duchowski

  • Affiliations:
  • Clemson University;Clemson University

  • Venue:
  • ACM SIGGRAPH 2002 conference abstracts and applications
  • Year:
  • 2002

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Abstract

A common assumption exploited in perceptual Virtual Reality studies is that eye movements made while immersed in VR generally do not deviate more than 30° (visual angle) from the head-centric view direction (e.g., see Barnes [1979]). In this sketch we report eye tracking evidence which generally supports this observation in the context of peripheral Level Of Detail management during a visual search task in VR. We present results from experiments based on the work of Watson et al. [1997] and discuss an extension to the peripheral degradation paradigm to include a dynamic eye-slaved high-resolution inset.