Augmented Reality

super-imposing

Augmented reality (AR) is a term for a live direct or an indirect view of a physical, real-

world environment whose elements

are augmented by computer-generated sensory

input, such as sound or graphics. It is related to a more

general concept called mediated reality, in which a view of reality is modified (possibly even diminished rather than augmented) by a computer. As a result, the technology functions by enhancing one’s current perception of reality. By contrast, virtual reality replaces the real-world with a simulated one.

AR

• --Augmented Reality

• -Roland Azuma) AR

•1999 -(Hirokatzu Kato–AR-ARToolKit

• -(Tomohiko KoyamaFlash(Ryo Iizuka

-ARToolKitJava –Android

•-- Flash

GPS

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•head mounted displayHMD

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Virtuality: Objects that don’t exist in the real world can be viewed and examined.

Augmentation: Real objects can be augmented by virtual annotations.

Cooperation: Multiple users can see each other and cooperate in a natural way.

Independence: Each user controls his own independent viewpoint.

Individuality: Displayed data can be different for each viewer.

http://www.hitl.washington.edu/artoolkit/Papers/2002-CACM-CollabAR.pdf

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–AR

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---AR

Digital Signal Processing)

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GPS

A Location Based -TIME TREASURE

GameAugmented Reality

•LAYAR–-GPS

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–AR

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AR

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Advertising: Marketers started to use AR to promote products via interactive AR applications.

Task support: Complex tasks such as assembly, maintenance, and surgery can be simplified

by inserting additional information into the field of view.

Navigation: AR can augment the effectiveness of navigation devices.

Industrial: AR can be used to compare digital mock-ups with physical mock-ups for efficiently

finding discrepancies between them. It can safeguard digital data in combination with

existing real prototypes, and thus reduce the number of real prototypes and improve the

quality of the final product.

Military and emergency services: Wearble AR can provide information such as

instructions, maps, enemy locations, and fire cells.

Architecture: AR can simulate planned construction projects.

Sightseeing: Guides can include labels or text related to the objects/places visited. With

AR, users can rebuild ruins, buildings, or even landscapes as they previously existed.

Collaboration: AR can help facilitate collaboration among distributed team members via

conferences with real and virtual participants.

Entertainment and education: AR can create virtual objects in museums and

exhibitions, theme park attractions, games and books.

Performance: AR can enhance concert and theater performances. For example, artists can

allow listeners to augment their listening experience by adding their performance to that of

other bands/groups of users

Translation: AR systems can provide dynamic subtitles in the user's language.

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