an introduction to virtual reality
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An Introduction to Virtual Reality
Humans and Automation Seminar
Spring 2002Jessica J. Mrquez
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Introduction to Virtual RealityBrief Background Definition Hardware
ApplicationsReading: Human Factors Issues inVirtual Environments: A Review of theLiterature Presence, Vol. 7, No. 4, August1998, 327 - 351
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Virtual RealityNo one common definition, but commoncharacteristicsTrying to mimic real worldBeyond the flat monitor*Immerse in 3-D visual world
*Many applications are using flat monitors
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Head Mounted Display (HMD)ImmersiveexperienceStereo display
Two miniaturescreens Depth perception
Spiffier HMD :
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Motion Trackers Keep track of position Inertial boxes Sonic Discs
PotentiometersHead trackers &body trackers
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BOOMBinocular Omni-Orientation Monitor Stereoscopic displayGuidance of the box by user Tracking: Potentiometers on arm
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CAVECave Automatic Virtual EnvironmentIllusion of immersion by projecting stereoimages on the walls and floor of room
Stereo glasses andhead trackingFree to walkanywhere withinarea
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More CAVE pictures
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Input DevicesData gloves
JoysticksHand-held wands
Body sensors
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Sensor Glove
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Haptic Feedback Force-feedbackdeviceFeel virtual solidobjects
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ApplicationsEntertainment: Games!
Augmented Reality Superimposing display
TrainingRemote RoboticsDistributed CollaborationVisualization
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Augmented RealityHUDs on cars
AR Museums
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More Augmented Reality
Information Visualization?
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Visualization
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Distributed Collaboration
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Telemedicine
Visualization of medical condition
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ResearchNASA VR Mars navigation simulation
One third gravity
(negative pressure)
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Other Anything else??Education, Teaching, Training
Therapy: spider, heights http://www.hitl.washington.edu/research/exposure/
Navy Airplane simulator