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What is VR? Virtual Reality June2016

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Overview of Virtual Reality, the new generation informed by 24 years of involvement with the technology. Presented at Honolulu mini-MakerFaire June 25 2016

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What is VR? Virtual Reality June2016

  1. 1. June 25, 2016 WhatIsVR 2016 - isdale@gmail.com 1 What Is Virtual Reality (VR)? 24rd anniversary revision June 2016 Honolulu mini-Maker Faire Jerry Isdale, isdale@gmail.com
  2. 2. June 25, 2016 WhatIsVR 2016 - isdale@gmail.com 2 Basic Definition ● Virtual Reality is a computer generated immersive environment that allows users agency and engenders presence. ● Immersive, Agency, Presence ? ● Marketing and Press stretch definitions into wide spectrum of uncertainty.
  3. 3. June 25, 2016 WhatIsVR 2016 - isdale@gmail.com 3 Some Word Definitions ● Immersion - perception of being physically present in a non-physical world ● Presence – Feeling of being There, Realism ● Agency – having control of view and actions ● Haptics – sense of touch ● Proprioception – sense of body position ● Affordances – perceived action possibilities
  4. 4. June 25, 2016 WhatIsVR 2016 - isdale@gmail.com 4 Reality-Virtuality Continuum of Mixed Reality Milgram et al, revised by Ron Azuma, etc
  5. 5. June 25, 2016 WhatIsVR 2016 - isdale@gmail.com 5 Augmented Reality CGI over Real World
  6. 6. June 25, 2016 WhatIsVR 2016 - isdale@gmail.com 6 Mixed Fantasy Framework Stapleton et al “Applying Mixed Reality to Entertainment” IEEE Computer Dec 2002
  7. 7. June 25, 2016 WhatIsVR 2016 - isdale@gmail.com 7 Agency in VR ● Agency == Interactivity ● Surround Images/Video – passive viewer position (look around, dont move) ● Surround Video with teleporting (limited move) ● Immersive Environment free motion, limited object interaction (move some objects) ● Immersive Environment with full agency and interaction (move, destroy, build) ● Affordances – what can you do?
  8. 8. June 25, 2016 WhatIsVR 2016 - isdale@gmail.com 8 Head Mounted Displays HMDs
  9. 9. June 25, 2016 WhatIsVR 2016 - isdale@gmail.com 9 CastAR Projection HMD
  10. 10. June 25, 2016 WhatIsVR 2016 - isdale@gmail.com 10 Domes, CAVE
  11. 11. June 25, 2016 WhatIsVR 2016 - isdale@gmail.com 11 Visual Depth Perception ● Static Monocular – Occlusion, Size, Perspective, Shading ● Stereopsis – Binocular stereo ● Motion Parallax ● Oculomotor cues – Accomodation (eye shape) – Convergence (eye pointing)
  12. 12. June 25, 2016 WhatIsVR 2016 - isdale@gmail.com 12 Tracking ● Position + Orientation ● Head, Controllers ● Eye Tracking – Fovial Rendering ● Hands & Body ● Gestures
  13. 13. June 25, 2016 WhatIsVR 2016 - isdale@gmail.com 13 Audio ● Very important to experience ● Environmental, Effects, Mood Music ● Spatialization – Interaural time/intensity – Pineal shape ● Speech Generation ● Speech Recognition
  14. 14. June 25, 2016 WhatIsVR 2016 - isdale@gmail.com 14 Haptics ● Tactile – Temperature, curvature, vibration ● Kinematic Force – Force feedback – Exoskeleton ● Motion Platforms
  15. 15. June 25, 2016 WhatIsVR 2016 - isdale@gmail.com 15 World Design ● 3D Modeling ● World Assembly ● Behaviors – Afforances – (perceived) action possibilities; what can you do? ● VR Engines – Unity, UnReal, CryEngine, Lumberyard, WorldViz, etc ● Storytelling, Narrative Cues ● Usability Design ● Lots of Literature on Building Worlds – Research it! – Brenda Laurel – http://lmgtfy.com/?q=vr+world+design
  16. 16. June 25, 2016 WhatIsVR 2016 - isdale@gmail.com 16 VR Applications ● Games ● Education/Training ● Travel/Tourism ● Architectural/Engineering Design ● Information Visualization – Knowledge Management
  17. 17. June 25, 2016 WhatIsVR 2016 - isdale@gmail.com 17 VR Business
  18. 18. June 25, 2016 WhatIsVR 2016 - isdale@gmail.com 18 Not Games

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