augmented reality. outline  introduction.  ar v/s vr.  display technique.  application....

Download AUGMENTED REALITY. Outline  Introduction.  AR v/s VR.  Display technique.  Application.  Limitation.  Conclusion

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Augmented reality

Augmented reality1 OutlineIntroduction.AR v/s VR.Display technique.Application.Limitation.Conclusion.

2introductionAugmented reality (AR)is a visualization technology allowing a user to see virtual information add over reality in real time.

A combination of a real scene viewed by a user and a virtual scene generated by a computer.

3introductionUltimate goal of AR.

e.g., Real desk with virtual lamp and two virtual chairs

4introductionAR system has following three characteristics: 1) Combines real and virtual. 2) Interactive in real time. 3) Registered in 3-D.

5Ar vs. VRVisualization technology allowing a user to see virtual information.

System augments the real world scene.

User maintains a sense of presence in real world.

A computer generated, interactive, three-dimensional environment.

Totally immersive environment.

Visual senses are under control of system.

Augmented Reality

virtual Reality

6Display techniqueThree displays are usedHead mounted display.Handheld display.Spatial display.

7Display technique1) HMD.Two types..

Optical see-through HMD Video see-through HMD 8Display technique 2) Handheld Displays : Handheld Augment Reality employs a small computing device with a display that fits in a user's hand.

3) Spatial Displays : Spatial Augmented Reality (SAR) makes use of digital projectors to display graphical information onto physical objects.

9 Applications of ARMain classes of application:Medical.Manufacturing and repair.Robot path planning.Entertainment.Military aircraft.

10Applications: medical

Surgeon X-ray vision: Minimally-invasive brain surgery

11AR in Video games & militaryA company called Total Immersion makes software that applies augmented reality to baseball cards.

12Application: manuf & repair

Augmented view of River Wear in Sunderland, Newcastle (U.K.) with a planned footbridge VR HUDset used in the wire shop to connect the wires by showing an image of the circuit and information about type of wire to be used13Application: robot path planning

Virtual lines show planned motion of a robot arm14Entertainment: virtual actor

15Limitation of ARObjects in the real and virtual worlds have to be properly aligned with respect to each other.

Some applications demand accurate registration., e.g., virtual surgery where error can be fatal!!

AR requires much more accurate registration than VR.

16ConclusionFrom this session it can be concluded that AR is far behind than virtual reality in maturity.May be it take too much time to applied in regular life because of cost.Accuracy is required in success of AR..that is quit difficult.But still AR has a great future as it promises better interaction with real and virtual world which is previously unimaginable.17

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