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AUGMENTED REALITY AND VIRTUAL REALITY
Although the term Augmented Reality (AR) and Virtual Reality (VR) are taken together here, there is
a distinct difference between the two.
Augmented Reality
Tech Fact
Augmented Reality is the blending of Virtual Reality and real Augment means to make
life. AR is using technology to superimpose information such greater in size or amount.
as sounds, images and text on the real world that we can see.
Images are created by developers within applications that blend
in with content in the real world. AR users can interact with virtual content in the real world and can
also distinguish between virtual and real content.
AR is not a new technology. It was used in the display panels of fighter aircraft in the 1990s. The panel
displayed information about the altitude, direction and speed of the aircraft. A few years later the
panels displayed the target objects.
In 2009, Massachusetts Institute of Technology’s developed SixthSense. It is a small device that is
worn like a pendant and combines the use of a camera, small projector, smartphone and mirror.
The projector and the camera are connected to the mobile device in the user’s pocket. The projector
projects the visual information on physical surfaces such as walls and other objects. The camera
recognizes and tracks the user’s hand gestures with the help of computer-vision techniques.
SixthSense device
Google Glass created in 2013 is an example of wearable AR
interface. It helps the user to remain focussed on the work. It
displays on the user’s glass screen through a small projector.
It responds to voice commands to activate an application any
time.
Google Glass
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