Tuesday, October 16, 2012

Types of Virtual Reality

These are the definition of  the types of virtual reality that I found online:


  • Adventure games, MUD/MOO
Textually described virtual worlds where the user perceives the virtual environment through mental images based on the words read (like reading a novel).

  • Desktop
3D virtual environment graphically displayed on a desktop computer monitor.

  • Projected
3D environment projected onto a screen. Enables a single user to demonstrate concepts to a group of people. A CAVE(tm), where several sreens are used to surround the user with images, is the most advanced form of projected VR in use today.

  • Semi-immersive
Most advanced flight, ship and vehicle simulators are semi-immersive. The cockpit, bridge, or driving seat is a physical model, whereas the view of the world outside is computer-generated (typically projected).

  • Immersive
3D environment seen through a head-mounted display (HMD). In a completely immersive system the user feels part of the environment (experiences a feeling of 'presence'). The user has no visual contact with the physical world.

  • Distributed Virtual Environments
Any of the above, where there are multiple users present in the world. Sometimes called 'shared worlds'.

  • Telepresence
Control remote devices by mimicking actual events in the physical world as they happen. Useful for performing operations in hazardous environments or where it is otherwise inconvenient to be present in person.

  • Augmented reality
Combining the physical and virtual worlds, typically to annotate the physical world or to provide missing information. For example, to recreate the view that an operator of an aircraft would have seen if it had not been foggy. 

(Credits to Micheal Louka:
http://www.ia.hiof.no/~michaell/home/vr/vrhiof98/whatisvr/What8.html)

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