Virtual table tennis
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Transcript of Virtual table tennis
Ping pong virtuale Geometric and Visual Computing
Teseo Schneider Facultà di scienze Informatiche Università della Svizzera italiana
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
USI
! Università della Svizzera italiana
! founded in 1996
! 1 University in Ticino
! 2 Campuses
- Lugano
- Mendrisio
! 4 Faculties
- Architecture
- Communication Sciences
- Economics
- Informatics
Lugano
Mendrisio
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Faculty of Informatics
! Faculty of Informatics
! founded in 2004
! #3 in Switzerland
! international faculty
- 24 professors
- 10 countries
! excellent research
- 8 Mio. CHF research projects in 2012
! innovative teaching
- 250 students (B.Sc. / M.Sc. / Ph.D.)
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Teaching
! Bachelor of Science (B.Sc.) [3 years]
! Informatics
! Master of Science (M.Sc.) [2 years]
! Informatics
! Applied Mathematics and Computational Science
! Embedded Systems Design
! Management & Informatics
! Doctorate (Ph.D.) [4–5 years] ! 8 different research areas
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Research Areas
Computational Science
Computer Systems
Geometric and Visual Computing
Information Systems
Intelligent Systems
Programming Languages
Software Engineering
Theory and Algorithms
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Geometric and Visual Computing
Google StreetView
Microsoft Kinect
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Geometric and Visual Computing
Science Fiction (Minority Report, 2002)
Reality (Microsoft Kinect, 2010)
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Geometric and Visual Computing
20th Century Textual Data
21st Century Visual and Geometric Data
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
It’s all about 3D
Radio Color TV Black-and-white TV
3D TV
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Geometric and Visual Computing
Image Processing Geometry Processing
Pattern Recognition Computer
Vision
Computer Graphics
2D world
3D world
“HORSE”
Abstract world
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Computer Graphics
Scientific Visualization
Rendering
Animation & Simulation
Geometry Processing
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Rendering
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Rendering
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Scientific Visualization
! Graphical representation of data
! diagrams
! medical data
! vector fields
! flow
! molecules
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
! Physically „correct“ behaviour
! fire & smoke
! water
! textiles
! thin shells
! rods
Animation & Simulation
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Geometry Processing
! Description and manipulation of surfaces
! point clouds
! triangle meshes
! surface reconstruction
! interactive editing
! compression
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Movies
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Movies
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Games
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
It’s all about 3D
1839 Talbot invents photographic
process
1838 Wheatson explains
binocular vision
1851 Brewster
streoscope sold in London
1891 Anaglyph is
invented
1928 First television broadcast in
USA
1922 First 3D movie
premiere
1952 First color 3D
movie premiere
1995 First IMAX 3D fiction movie
Today 3D content available
User-grade 3D displays 3DTV broadcast
Early 2000s Commercial 3D monitors appear ?
1800 1820 1840 1860 1880 1900 1920 1940 1960 1980 2000
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Binocular Vision
Left eye Right eye
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Triangulation
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Stereoscopic (“3D”) TV
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Stereo Cameras
IMAX 3D camera VR glasses
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
3D on a Big Screen
Block unwanted rays
Screen
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Anaglyph
! Compatible with any color display
! Requires color glasses
! Unnatural colors
+ =
Left Right Anaglyph
Color glasses
Screen
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Polarized Light
! Used in IMAX 3D
! Requires special projection
! Requires polarized glasses
Polarized glasses
Screen
Polarized projector
Polarized projector
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Shutter Glasses
! Left and right image displayed interleaved in time
! Shutter glasses keep only one of the eyes open at a time
! Requires screen and glasses sync
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Do We Need Glasses?
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Lenticular Display
Screen
Lenticular lens
Normal mode
3D mode
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Classical mechanics
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First law
Inertia
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First law
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Second law
Conservation
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Third law
Reaction
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Third law
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Magnus effect
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Kinect
Piattaforme virtuali e visualizzazioni 3D – TecDay Locarno – 15 November 2014
Virtual tabletennis