2.05b Foundation of Information Technology

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14 Νοε 2013 (πριν από 3 χρόνια και 8 μήνες)

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2.05b


Foundation of Information Technology


Boom


Cave


Data Glove


HMD


Immersive Virtual Reality


Shared Virtual Environments


VRML



Binocular Omni

Orientation Monitor


A head coupled

steroscopic

display device


How it works


The user looks into the box through two holes


Sees the virtual world


The user can guide the box to any position within the
operational volume of the device


Head tracking is accomplished via sensors in
the links of the arm that holds the box


Cave Automatic Virtual


Environment


Developed at the University of Illinois, Chicago


Gives an illusion of immersion by projecting
stereo images on the walls and floor of a room
-
sized cube


Several persons wearing lightweight stereo
glasses can enter CAVE and walk freely


A head tracking system continuously adjusts the
stereo projection to the current position of the
leading viewer


Allows for interactions with the
virtual world through hand and
fingers.


Head Mounted Display


Consists of


Two miniature display screens, and


An optical system


The optical system channels images from the screens
to the eyes, presenting a stereo view of a virtual world


Uses a motion tracker that



continuously measures the position and orientation of the
user’s head


Allows the image generating computer to adjust the scene
representation to the current view.


The viewer can look around and walk through the
surrounding virtual environment


The user becomes fully immersed in
an artificial, three dimensional
world that is completely generated
by a computer.



Three networked users at different locations
meet in the same virtual world by using


Boom Device


Cave System, and


Head
-
Mounted Display


The users can be anywhere in the world


All users see the same virtual environment
form their point of view


Each user is presented as a virtual human
(avatar) to the other participants.


Users can…



See each other


Communicate
with each other


Interact with the
virtual world as a
team