Definition & Meaning of Virtual Reality (VR) Terminology

Virtual Reality, VR, Immersive Technology & Simulated Environment

Definition & Meaning of Virtual Reality (VR) Terminology

Virtual Reality Terminology

Below is the list of terminology used widely in the Virtual Reality (VR) area and industry together with their definition and meaning. This is a growing list as I’ll keep updating the list from time to time.  I hope that the information below can help you to understand it easily.




6

6DOF a.k.a Six Degrees of Freedom
This refers to the direction of the movement of an object in a three-dimensional (3D) space. The movement consists of forward/backward, right/left, up/down, pitch, roll and yaw.

A

Active Shutter 3D
It is a technique to display the 3D stereoscopic images by showing the left eye image and the right eye image alternately in a very fast manner.

Anaglyph
It is a method to create the illusion of three-dimensional image with depth perspective by combining the right-eye-view image and left-eye-view image in one single image.

AR a.k.a Augmented Reality
It is a technology or method to combine or integrate the virtual or digital objects with the live environment and real surrounding.

Avatar
It is a representation of the people or user in the virtual environment in the form of virtual figure, icon or character.

D

Data Glove
It is a type of glove embedded with sensors that can sense the movement of hands which can then be use to manipulate or move the objects in the virtual environment. Also known as wired glove.

H

Haptics
This is a kind of technology that focus on the sense of touch where it simulates the feeling of touching or having contact with the virtual objects by applying the vibrations, forces and motions to the body part of the users.

HMD a.k.a Head-Mounted Display
It is a device that you put or wear on your head which can display the virtual reality environment to your eyes.

Holography
It is a technique to display the three-dimensional objects that can be viewed correctly from any direction or angle hence giving the illusion that the objects are really there.

L

Latency
It is the time difference between the user physical action and the reflection of that action in the virtual environment. Also known as lag time.

M

Mocap a.k.a Motion Capture
It is a technique to record the actual movement of a person or object and then translate it to a digital form so that the information can be used in the virtual or digital environment. It is also known as motion tracking.

O

ODT a.k.a Omnidirectional Treadmill
It is a special kind of treadmill device that can allows people to walk or move in any direction in the virtual environment.

V

VE a.k.a Virtual Environment
It is an environment which is created digitally using computer technology that can make the user feel like he or she is there. Furthermore, they can also explore and manipulate the objects in that digital world.

VR a.k.a Virtual Reality
It is a technology or method where people can feel and experience with their senses like they are really inside an artificial or simulated environment.

S

Simulation
It is a process or approach to mimic or imitate the real environment inside the virtual environment.

Stereoscopic
It is a technique or method to enhance the three-dimensional (3D) viewing of a media such as image or video by introducing the illusion of depth to it.

T

Telepresence
It is a techonology to mimic that you are present in the particular location although your physical body is at somewhere else.

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