Tuesday 15 September 2009

Augmented Reality



Augmented reality (AR) is a term used for a live direct or indirect view of a physical real-world environment whose elements are merged with, or augmented by virtual computer-generated reality - creating a mixed reality.
The picture (left) shows an example of Augmented reality being used on a mobile phone.

Augmented reality research explores the application of computer-generated imagery in live-video streams as a way to expand the real-world. A typical example of augmented reality is a video of a car whose part names are displayed with graphical labels.

A type of AR application uses projectors and screens to insert objects into the real environment, enhancing museum exhibitions for example. The difference to a simple TV screen for example, is that these objects are related to the environment of the screen or display, and that they often are interactive as well.

AR can augment the effectiveness of navigation devices for a variety of applications. For example, building navigation can be enhanced for the purpose of maintaining industrial plants. Outdoor navigation can be augmented for military operations or disaster management. Head up displays or personal display glasses in automobiles can be used to provide navigation hints and traffic information. These types of displays can be useful for airplane pilots, too. Head-up displays are currently used in fighter jets as one of the first AR applications. These include full interactivity, including eye pointing.
Augmented reality will truly change the way we view the world. Picture yourself walking or driving down the street. With augmented-reality displays, which will eventually look much like a normal pair of glasses, informative graphics will appear in your field of view, and audio will coincide with whatever you see. These enhancements will be refreshed continually to reflect the movements of your head. In this article, we will take a look at this future technology, its components and how it will be used.

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