augmented reality -- very brief

Augmented Reality

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Augmented Reality (AR)

Real-world data + Computer-generated data Computer graphics objects are blended into

real footage in real time.

History

1992: Tom Caudell coins the phrase Augmented Reality while at Boeing helping workers assemble cables into aircraft.

2003: GeoVector along with partners Vodafone, HP, Microsoft, Virtual Spectator and Animation Research Ltd showcase Actual Spectator AR app at America's Cup Sailing Races in Auckland, New Zealand.

2007: Sony released the Eye of Judgment for PlayStation 3 in Japan on October 25, 2007 and in America on April 24, 2008. Wikitude AR Travel Guide launches on Oct. 20, 2008 with the G1 Android phone and was downloaded about 50,000 in the first year of release.

2009: Sony scheduled to release the EyePet game for use with the PlayStation 3 camera.

2009: AR Toolkit is ported to Adobe Flash (FLARToolkit) by Saqoosha, bringing augmented reality to the personal computer.

Augmented Reality

Not Turing!

3 Components

Head-Mounted Display Tracking System Mobile Computing Power

http://computer.howstuffworks.comhttp://www.cs.unc.edu/~azuma/azuma_AR.html

How AR works?

Tracking positionsComputingDisplaying objects

Tracking

Natural Feature Tracking Fiducial Tracking

ARToolKit Algorithm

http://www.hitl.washington.edu/artoolkit/documentation/userarwork.htm

ARToolKit Tracking Algorithm

ARToolKit Tracking Algorithm

Problems

Tracking Problem Registration Problem System Delay

Links

http://en.wikipedia.org/wiki/Augmented_reality http://studierstube.icg.tu-graz.ac.at/handheld_ar.recent/vr20

07/ http://graphics.cs.columbia.edu/projects/mars/mars.html http://computer.howstuffworks.com/augmented-reality.htm http://www.cs.unc.edu/~azuma/azuma_AR.html http://www.mikkoh.com/blog/?p=182 http://www.gotoandlearn.com/play?id=105 http://gamesalfresco.com/2008/04/16/10-best-augmented-re

ality-devices-that-will-reinvent-mobile-video-games/

DEMOAny questions?

การึ๋โปรึ๋แกรึ๋ม Augmented Reality ด้�วย FLARToolkit

ง�ายด้�วย ว�าว! ไปลองด้�ก�นเลยพรรคพวก

Papervision3d เป น Library หล�ก เล"อก import ตามต�องการ

เขี$ยน class โด้ยให� inherit จาก PV3DARApp ซึ่)*ง PV3DARApp inherit มากจาก ARAppBase อ$กที$

ก,าหนด้ pattern สร�างโด้ย MakeGenerator.air ได้�ง�ายๆ ด้�วยการถ่�าย

ร�ป อยากใส�อะไรก� addchild ให� _basenode

สรึ๋�ป FLARToolkit