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      • Department of Computer Engineering
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      Increasing the sense of presence in a simulation environment using image generators based on visual attention

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      Author
      Ciflikli, B.
      İşler, V.
      Güdükbay, Uğur
      Date
      2010-12
      Source Title
      Presence: teleoperators and virtual environments
      Print ISSN
      1054-7460
      Publisher
      M I T Press
      Volume
      19
      Issue
      6
      Pages
      557 - 568
      Language
      English
      Type
      Article
      Item Usage Stats
      131
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      112
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      Abstract
      Flight simulator systems generally use a separate image-generator component. The host is responsible for the positional data updates of the entities and the image generator is responsible for the rendering process. In such systems, the sense of presence is decreased by model flickering. This study presents a method by which the host can minimize model flickering in the image-generator output. The method is based on preexisting algorithms, such as visibility culling and level of detail management of 3D models. The flickering is minimized for the visually important entities at the expense of increasing the flickering of the entities that are out of the user's focus using a new perception-based approach. It is shown through user studies that the new proposed approach increases the participants' sense of presence. © 2011 by the Massachusetts Institute of Technology.
      Keywords
      3D models
      Data update
      Image generators
      Level of detail management
      Rendering process
      Simulation environment
      Simulator systems
      User study
      Visibility culling
      Visual Attention
      Flickering
      Flight simulators
      Three dimensional computer graphics
      Three dimensional
      Permalink
      http://hdl.handle.net/11693/22082
      Published Version (Please cite this version)
      http://dx.doi.org/10.1162/pres_a_00020
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      • Department of Computer Engineering 1368
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