Computer GraphicsSpring 2018

10 April 2018

Ghada Ahmed, PhDghada@fcih.net

Dept. of Computer ScienceHelwan University

15

Computer Graphics

Ghada Ahmed

What is AugmentedReality?

Augmented RealityInteractions

Augmented RealityBrowsers

References

Contact Information

Dept. of Computer ScienceHelwan University

Agenda

What is Augmented Reality?

Augmented Reality Interactions

Augmented Reality Browsers

References

Contact Information

15

Computer Graphics

Ghada Ahmed

2 What is AugmentedReality?

Augmented RealityInteractions

Augmented RealityBrowsers

References

Contact Information

Dept. of Computer ScienceHelwan University

What is Augmented Reality?

Augmented reality (AR) is a field of computer research whichdeals with the combination of real-world andcomputer-generated data.

15

Computer Graphics

Ghada Ahmed

3 What is AugmentedReality?

Augmented RealityInteractions

Augmented RealityBrowsers

References

Contact Information

Dept. of Computer ScienceHelwan University

What is Augmented Reality?

Augmented reality (AR) is a field of computer research whichdeals with the combination of real-world andcomputer-generated data.

15

Computer Graphics

Ghada Ahmed

4 What is AugmentedReality?

Augmented RealityInteractions

Augmented RealityBrowsers

References

Contact Information

Dept. of Computer ScienceHelwan University

AR systems have the following three char-acteristics

15

Computer Graphics

Ghada Ahmed

5 What is AugmentedReality?

Augmented RealityInteractions

Augmented RealityBrowsers

References

Contact Information

Dept. of Computer ScienceHelwan University

Milgram’s reality-virtuality continuum

Copyright c© William El Kaim 2016

15

Computer Graphics

Ghada Ahmed

6 What is AugmentedReality?

Augmented RealityInteractions

Augmented RealityBrowsers

References

Contact Information

Dept. of Computer ScienceHelwan University

Augmented Reality v.s. Virtual Reality

I VR technologies completely immerse a user inside asynthetic environment. While immersed, the user cannotsee the real world around him.

I AR allows the user to see the real world, with virtualobjects superimposed upon or composited with the realworld.

15

Computer Graphics

Ghada Ahmed

7 What is AugmentedReality?

Augmented RealityInteractions

Augmented RealityBrowsers

References

Contact Information

Dept. of Computer ScienceHelwan University

AR Examples

video

15

Computer Graphics

Ghada Ahmed

What is AugmentedReality?

8 Augmented RealityInteractions

Augmented RealityBrowsers

References

Contact Information

Dept. of Computer ScienceHelwan University

Augmented Reality Interactions

I With the help of advanced AR technology (e.g. addingcomputer vision and object recognition) the informationabout the surrounding real world of the user becomesinteractive and digitally manipulable.

I Artificial information about the environment and its objectscan be overlaid on the real world

I In order to benefit from it you need a dedicated deviceI Laptop or computerI Hand-held like Smart-phone or TabletsI Head-Mounted Device(HMDs) often employ sensors for six

degrees of freedom monitoring that allow the system toalign virtual information to the physical world and adjustaccordingly with the user’s head movements

I Smart GlassesI Gesture based solution (Kinect, Leap motion)

15

Computer Graphics

Ghada Ahmed

What is AugmentedReality?

9 Augmented RealityInteractions

Augmented RealityBrowsers

References

Contact Information

Dept. of Computer ScienceHelwan University

HMDs

– A head-mounted display or helmet mounted display, bothabbreviated HMD, is a display device, worn on the head or aspart of a helmet, that has a small display optic in front of one(monocular HMD) or each eye (binocular HMD).Ex: Google CardBoard and OculusVR

15

Computer Graphics

Ghada Ahmed

What is AugmentedReality?

10 Augmented RealityInteractions

Augmented RealityBrowsers

References

Contact Information

Dept. of Computer ScienceHelwan University

Smart Glasses

– Wearable computing device in the form of computerizedeyeglasses.(video)

15

Computer Graphics

Ghada Ahmed

What is AugmentedReality?

11 Augmented RealityInteractions

Augmented RealityBrowsers

References

Contact Information

Dept. of Computer ScienceHelwan University

Gesture Based Solution

– A gesture is a form of non-verbal communication ornon-vocal communication in which visible bodily actionscommunicate particular messages, either in place of, or inconjunction with, speech. Gestures include movement of thehands, face, or other parts of the body. (Ex: video)

15

Computer Graphics

Ghada Ahmed

What is AugmentedReality?

12 Augmented RealityInteractions

Augmented RealityBrowsers

References

Contact Information

Dept. of Computer ScienceHelwan University

Key Tracking Technologies

Demo

15

Computer Graphics

Ghada Ahmed

What is AugmentedReality?

Augmented RealityInteractions

13 Augmented RealityBrowsers

References

Contact Information

Dept. of Computer ScienceHelwan University

Augmented Reality Markup Lan-guage(ARML)

I Augmented Reality Markup Language(ARML)is a datastandard to describe and interact with augmentedreality(AR) scenes.

I It is developed within the Open Geospatial Consortium(OGC)by a dedicated ARML 2.0 Standards WorkingGroup.

I ARML consists of both an XML grammar to describe thelocation and appearance of virtual objects in the scene, aswell as ECMAScript bindings to allow dynamic access tothe properties of the virtual objects, as well as eventhandling

I X3D is a royalty-free open standards file format andrun-time architecture to represent and communicate 3Dscenes and objects using XML.

I platforms: Hoppala: world’s largest content platform forgeo based AR

I Augmented Reality JS API awe.js, Three.js

15

Computer Graphics

Ghada Ahmed

What is AugmentedReality?

Augmented RealityInteractions

Augmented RealityBrowsers

14 References

Contact Information

Dept. of Computer ScienceHelwan University

References

I https://cs184.eecs.berkeley.edu/2017-spring/I Introduction To Augmented Reality, William El KaimI https://vr.google.com/daydream/

15

Computer Graphics

Ghada Ahmed

What is AugmentedReality?

Augmented RealityInteractions

Augmented RealityBrowsers

References

15 Contact Information

Dept. of Computer ScienceHelwan University

Contact Information

Please do not hesitate to contact me.

Ghada Ahmed, PhDghada@fcih.net

http://www.fcih.net/ghada/computer-graphics/