AUGMENTED REALITY

Topics: Augmented reality, Virtual reality, Information technology Pages: 7 (1926 words) Published: September 26, 2013

AUGMENTED REALITY

Himani Gupta
ABES Engineering College,GZB
Email:himani.abes1992@gmail.com
Contact:9971681258

Neha Shukla
ABES Engineering College,GZB
Email:shukla.neha2710@gmail.com
Contact:9650737009

Surbhi Bansal
ABES Engineering College,GZB
Email:sur_bansal@yahoo.co.in
Contact:8802677515

ABSTRACT

Augmented Reality (AR) is a new technology that involves the overlay of computer graphics on the real world. Its goal is to add information and meaning to a real world object or place. It takes a real object or space as the foundation and incorporates technologies that add contextual data to deepen a person’s understanding of the subject. AR is about augmenting the real world environment with virtual information by improving people’s senses and skills. AR mixes virtual characters with the actual world. There are three common characteristics of AR scenes: combination of the real and virtual, interactive in real-time, and having the scenes registered in 3D.

Keywords: Augmented Reality, GPS(Global Positioning System), Digital Media, HMD(Head Mounted Display),

INRODUCTION
The aim of the paper is to call attention to the widespread use of Augmented Reality in today’s world through the advanced technology in internet and mobile devices. The motivation is to facilitate the use of Augmented Reality in education methods and research work. It will provide better and creative methods of learning. The technology of Augmented Reality was developed to provide a better and enhanced view of the real world and provide the information to the user about any object he looks at in his physical environment. The next sections will explain about the technology, its working, scope, applications, previous works, conclusions and the future work.

AUGMENTED REALITY

Augmented reality (AR) is a live, direct or indirect, view of a physical, real-world environment whose elements are by augmented computer-generated sensory input such as sound, video, graphics or GPS data. The term augmented reality is believed to have been coined in 1990 by Thomas Caudell, working at Boeing.[1] With the progress of information technology development, the form of digital learning multimedia materials has changed dramatically from traditional books to digital media. With the help of advanced AR technology (e.g. adding computer vision and object recognition) the information about the surrounding real world of the user becomes interactive and digitally manipulable. Augmented reality is the process of adding computer graphics elements to images of real scenes to provide all kinds of information to the user.

Figure1: AR example with virtual chairs and virtual lamp

THE TECHNOLOGY

A range of technologies can be used for augmented reality. Many augmented reality projects use headgear or a similar device that projects data into the user’s field of vision, corresponding with a real object or space the user is observing. In the case of a technical course on PC maintenance, for example, augmented reality might overlay a schematic diagram onto the inside of a computer, allowing students to identify the various components and access technical specifications about them. PDAs or other portable devices can use GPS data to provide users with context including visual, audio, or text-based data about real objects or places.[2]

AR Components

Scene Generator
The scene generator is the device or software responsible for rendering the scene. Rendering is not currently one of the major problems in AR, because a few virtual objects need to be drawn, and they often do not necessarily have to be realistically rendered in order to serve the purposes of the application. Tracking System

The tracking system is one of the most important problems on AR systems...

References: [1]"The interactive system is no longer a precise location, but the whole environment; interaction is no longer simply a face-to-screen exchange, but dissolves itself in the surrounding space and objects. Using an information system is no longer exclusively a conscious and intentional act."Brian X. Chen (2009-08-25). "If You’re Not Seeing Data, You’re Not Seeing". Wired.
[2] 7 Things to know about Augmented Reality Educase Learning Initiative
[3] R.Silva, J.C. Oliveira , G.A Giraldi Introduction to Augmented Reality National Laboratory for Scientific Computation,Brazil.
[4] Tönnis, M, Sandor, C, Klinker, G, Lange, C and Bubb, H. Experimental evaluation of an augmented reality visualization for directing a car driver‟s attention. In ISMAR’05: Proc. 4th Int’l Symp. on Mixed and Augmented Reality, Vienna, Austria, 5–8 Oct. 2005. IEEE CS Press, pp. 56–59
[5] GM 's Enhanced Vision System.Techcrunch.com (17 March 2010).
[6] Interaction Design Based on Augmented
Reality Technologies for English Vocabulary
LearningMin-Chai HSIEHa*, Hao-Chiang Koong LIN b
abNational University of Tainan, Taiwan
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