welcome to 14:332:376 virtual reality and 16:332:571 virtual reality technology spring 2012 grigore...
TRANSCRIPT
![Page 1: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/1.jpg)
Welcome to14:332:376 Virtual Reality and
16:332:571 Virtual Reality TechnologySpring 2012
Grigore C. Burdea Ph.D.Professor
[email protected], Tele-Rehabilitation Institute
http://www.ti.rutgers.edu
Electrical and Computer Engineering Department
![Page 2: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/2.jpg)
Class web site:
https://sakai.rutgers.edu/portal
Textbook site:
www.vrtechnology.org
![Page 3: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/3.jpg)
Grading Criteria (376): Quizzes 20%,
Midterm 40%
Final 40%Attendance penalty – one letter grade lost for 4 absences. Midterm and Final are mandatory to passCheating is an automatic F. All exams and quizzes are closed books/notes/etc. Quizzes are announced.
Laboratory assignments graded separately (for 378 – co req)
TA Mr. Timothy Phan [email protected]
![Page 4: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/4.jpg)
Grading Criteria (571):
Quizzes 10%,
Midterm 25%
Final 25%
Laboratory 40%
Attendance penalty – one letter grade lost for 4 absences.
Midterm, Final and Laboratory Term Project Mandatory to pass. Quizzes announced, Cheating results in an F.
![Page 5: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/5.jpg)
Textbook: Burdea and Coiffet, Virtual Reality Technology, 2nd Edition, Wiley, 2003
![Page 6: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/6.jpg)
Textbook web site: www.vrtechnology.org
![Page 7: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/7.jpg)
Textbook web site: www.vrtechnology.org
![Page 8: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/8.jpg)
Laboratory Hardware
![Page 9: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/9.jpg)
Updated class notes (PowerPoint) will be posted on the webhttps://sakai.rutgers.edu/portal
Quiz and Exam Solution on Sakai
Supplemental materials, surveys, links to companies and labs on the textbook site.
Virtual Reality - Introduction
![Page 10: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/10.jpg)
Topics
![Page 11: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/11.jpg)
IntroductionIntroduction
![Page 12: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/12.jpg)
What is Virtual Reality?
![Page 13: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/13.jpg)
It is not augmented reality….
Introduction
![Page 14: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/14.jpg)
What is Virtual Reality?
“A high-end user-computer interface that involves real-time simulation and interaction through multiple sensorial channels.” (vision, sound, touch, smell, taste)”
Introduction
![Page 15: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/15.jpg)
http://games.yahoo.com/braingames/brain-teasers-games/phantom-square-255
Introduction
![Page 16: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/16.jpg)
Sensorama Simulator, US Patent #3,050,870, 1962
Introduction
![Page 17: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/17.jpg)
VR Short History
1963+ Ivan Sutherland's doctoral theses: SKETCHPAD: stereo HMD, position tracking, and a graphics engine. 1966+ Tom Furness: display systems for pilots; 1967+ Brooks developed force feedback GROPE system;
![Page 18: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/18.jpg)
Introduction
Ivan Sutherland’s HMD
(1966+)
![Page 19: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/19.jpg)
Introduction
Brooks’s Grope Project (1977)
![Page 20: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/20.jpg)
VR Short History
1977 Sandin and Sayre invent a bend-sensing glove
1979 Raab et al: Polhemus tracking system
1989 Jaron Lanier (VPL) coins the term virtual reality
1994 VR Society formed
![Page 21: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/21.jpg)
The first complete system was developed by NASA “Virtual Visual Environmental Display” (VIVED early 80s; they prototyped the LCD HMD;
Became “Virtual Interface Environment Workstation” (VIEW) 1989
IntroductionNASA … a pioneer in VR
![Page 22: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/22.jpg)
NASA VIEW system (1992)
Introduction
![Page 23: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/23.jpg)
Large simulation and training needs;
Could not send humans to other planets;
Relatively small budgets.
Introduction
Why NASA?
![Page 24: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/24.jpg)
Towards Commercialization…
The first commercial VR systems appeared in the late 80s produced by VPL Co. (California):
The VPL “Data Glove” and
The VPL “Eye Phone” HMD
Introduction
![Page 25: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/25.jpg)
The VPL DataGlove (1987) cost $8,500
Introduction
![Page 26: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/26.jpg)
The Matel PowerGlove (1989)
Introduction
![Page 27: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/27.jpg)
The first commercial VR glove for entertainment –
Mattel Power Glove $50 (1989)
![Page 28: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/28.jpg)
The Flight Helmet (ca. 1990) weighs 5 lbs
Early HMDs were massive
![Page 29: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/29.jpg)
…and had poor resolution
![Page 30: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/30.jpg)
Virtual Reality in the early 90s….
Emergence of first commercial Toolkits:
WorldToolKit (Sense8 Co.);
VCToolkit (Division Ltd., UK);
Virtual Reality Toolkit VRT3 (Dimension Ltd./Superscape, UK);
Cyberspace Developer Kit (Autodesk)
Introduction
![Page 31: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/31.jpg)
Introduction
Superscape VRT3 Development System
![Page 32: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/32.jpg)
Virtual Reality in the early 90s….
Emergence of first non-commercial toolkits:
Rend386;
Later Virtual Reality Modeling Language (VRML 1.0);
Later still Java and Java 3D;
Introduction
![Page 33: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/33.jpg)
Introduction
Scene created with Rend386Successor is AVRIL ("A Virtual Reality Interface Library“) C library for authoring. Created at U. Waterloo, Canadaece.uwaterloo.ca/~broehl/avril.html
![Page 34: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/34.jpg)
Virtual Reality in the early 90s….
PC boards still very slow (7,000 – 35,000 polygons/sec);
First turnkey VR system – Provision 100 (Division Ltd.)
Emergence of faster graphics rendering architectures at UNC Chapel Hill:
“Pixel Planes”;
Later “Pixel Flow”;
Introduction
![Page 35: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/35.jpg)
Introduction
Stride PC graphics accelerator
35,000 polygons/sec;
$26,000 (with two co-processors)/card
Require up to 6 PC slots for stereo version
![Page 36: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/36.jpg)
Introduction
Provision 100 VR turnkey system (Division Ltd., UK)
35,000 polygons/sec;
$64,000 (including texture generator, tracker, 3-D audio, HMD and software)
![Page 37: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/37.jpg)
Introduction
Pixel Planes 5 VR system (UNC)
~ 1 Million triangles/sec;
![Page 38: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/38.jpg)
Rendering speed comparison SGI vs. PCs
xBox 360500 Million poly/sec
2005
![Page 39: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/39.jpg)
Laboratory VR Station prices (2002)PRODUCT Price/user % of Budget
PC 1.7 GHz
FireGL 2 accelerator
2,347 48
Polhemus 3D tracker
4 receivers
1,823 37
5DT sensing glove
five-sensor version
482 10
Stereo Glasses wired 179 3
Force feedback Joystick 88 2
Java and Java3D - -
VRML - -
Total 4,919 100
![Page 40: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/40.jpg)
VR Market growth
![Page 41: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/41.jpg)
The key elements of a conventional VR System
![Page 42: Welcome to 14:332:376 Virtual Reality and 16:332:571 Virtual Reality Technology Spring 2012 Grigore C. Burdea Ph.D. Professor burdea@jove.rutgers.edu Director,](https://reader036.vdocuments.mx/reader036/viewer/2022062423/56649cb55503460f949791a8/html5/thumbnails/42.jpg)
The key elements of a modern VR System