reality continuum benjamin lok university of florida
DESCRIPTION
Reality Continuum Benjamin Lok University of Florida. October 2 nd. What is VR?. http://www.wiihaveaproblem.com/show_article.php?id=161. Ivan Sutherland’s The Ultimate Display. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/1.jpg)
Reality ContinuumBenjamin Lok
University of Florida
October 2nd
![Page 2: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/2.jpg)
What is What is VR?VR?
http://www.wiihaveaproblem.com/show_article.php?id=161
![Page 3: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/3.jpg)
Ivan Sutherland’s The Ultimate Display
“Don’t think of that thing as a screen, think of it as a window, a window through which one looks into a virtual world. The challenge to computer graphics is to make that virtual world look real, sound real, move and respond to interaction in real time, and even feel real.”
![Page 4: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/4.jpg)
Virtual Reality
Ideal for VR is that everything you experience is computer-generated.
![Page 5: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/5.jpg)
![Page 6: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/6.jpg)
Clinical Virtual Reality
The direct use of VR as a tool in the treatment or assessment of psychological
and physical disorders. (HITLab – UW)
![Page 7: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/7.jpg)
Best VR? Why?
What are some goals for VR?
![Page 8: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/8.jpg)
Virtual-ality Continuum
• Reality
Mixed Reality
Augmented Reality
Augmented Virtualality
• Virtual Reality
All Virtual Objects All Real Objects
![Page 9: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/9.jpg)
Not everything is real
Paul Milgrim
USC ICT Flatworld
![Page 10: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/10.jpg)
Classical Simulation
Classical simulation is a mix of real objects and computer generated stimuli.
All Virtual Objects All Real Objects
![Page 11: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/11.jpg)
Mixed Reality
Merging of the real and virtual worlds
![Page 12: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/12.jpg)
Why MR?Everything virtual not necessarily good
Examples?
Discuss a VR system to teach you how to change a lightbulb?
Benefits of real objects
Haptics
Active
Passive
Task Performance
Affordance
![Page 13: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/13.jpg)
Augmented Virtualality
![Page 14: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/14.jpg)
MR ComponentsMerged Space
Real World
Virtual World
Registration System
Example open Source library
ARToolKit
University of Washington HITLAB
Can be 1st person or 3rd person
![Page 15: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/15.jpg)
Data FLowUSB Camera TabletPC
Graphics Rendering EngineOpenGL
Marker Tracking(ARToolKitPlus) User Interface
![Page 16: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/16.jpg)
Dynamic Component Dynamic Component to your Physical to your Physical
StructuresStructures
1 marker for registration1-4ish markers for interaction
![Page 17: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/17.jpg)
![Page 18: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/18.jpg)
Anethesia Machine
![Page 19: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/19.jpg)
Other MR Systems
Entertainment
Engineering
Medical
![Page 20: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/20.jpg)
Other MR Systems
![Page 21: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/21.jpg)
Physical Simulation
Human Patient Simulator
![Page 22: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/22.jpg)
Mixed Reality HumansVirtual Humans
Tangible Interfaces
![Page 23: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/23.jpg)
Artificial Reality (Myron Kruger)
Responsive Environment
Is an environment where human behavior is perceived by a computer which interprets what it observes and responds through intelligent visual and auditory displays
All Virtual Objects All Real Objects
![Page 24: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/24.jpg)
Augmented RealityA combination of a real scene viewed by a user and a virtual scene generated by a computer that augments the scene with additional information. Ultrasound Visualization Research
atUNC – Chapel Hill
All Virtual Objects All Real Objects
![Page 25: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/25.jpg)
Displaying data over the real world
Information
Heads Up Display
3D
![Page 26: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/26.jpg)
Augmented Reality
Two-types
Optical See-Through
Video See-Through
Difficulties with AR/MR
Registration
User’s eye
Real and Virtual spaces
Tracking (additional to VR)
Display
Interfaces
Occlusion
![Page 27: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/27.jpg)
Major AR Systems
Touring Machine
Feiner, Columbia
![Page 28: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/28.jpg)
Major AR Systems
AR Toolkit+
Most popular AR system
Uses printable markers
Support for many video devices
Use as registration & interface element
Plasticity
HMD
TabletPC
PDA
Cellphone
![Page 29: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/29.jpg)
AR Systems Leverage
Real world knowledge
Task training
Situational context
Less Modeling
![Page 30: Reality Continuum Benjamin Lok University of Florida](https://reader035.vdocument.in/reader035/viewer/2022062221/56813bee550346895da51e6e/html5/thumbnails/30.jpg)
Conferences
IEEE Virtual Reality
ACM Virtual Reality, Software, and Technology
IEEE/ACM International Symposium on Mixed and Augmented Reality
Medicine Meets Virtual Reality