FLUX: A Tilting Multi-Touch and Pen Based Surfacemi-lab.org/files/2009/04/2009-04-10-chi... ·...
Transcript of FLUX: A Tilting Multi-Touch and Pen Based Surfacemi-lab.org/files/2009/04/2009-04-10-chi... ·...
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FLUX: A Tilting Multi-Touch and Pen
Based Surface
Jakob Leitner, James Powell, Peter Brandl, Thomas Seifried,
Michael Haller
Media Interaction Lab
Upper Austria University of Applied Sciences
Hagenberg - Austria
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DiamondTouch
multi-user/touch
32" / 42" size
(diagonal)
Microsoft Surface
multi touch
32" size (diagonal)
SMART Table
multi touch
27" size (diagonal)
Commercially available products:
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Anoto Pen Technology:
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Anoto Pen Technology:
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d. ANOTO pattern
e. Touching surface
f. IR-based tracking
a. Digital Pen
b. Plexiglas
c. Table
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Pros and Cons:
+High resolution pen tracking (600dpi)+High speed pen tracking (75Hz) +Large sizes possible (>4 000 000 km²)+Arbitrary shapes possible (circle, freeform)+Multiple pens (7 per Bluetooth reciever)
-Shadows-Unflexible setup-Direct touch support
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3mm scratch-resistant acrylic cover
HP Colorlucent Backlit UV foil
with printed Anoto pattern
Anoto pens &
recharging
stations
5mm transparent glass plate
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Pros and Cons:
+High resolution pen tracking (600dpi)+High speed pen tracking (75Hz) +Large sizes possible (>4 000 000 km²)+Arbitrary shapes possible (circle, freeform)+Multiple pens (7 per Bluetooth reciever)+No shadows+Flexible setup
-Direct touch support
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FTIR (Frustrated Total Internal Reflection), Jeff Han, 2005 cf. fingerprint reader
only allows touches with fingers
requires a compliant surface, so that touches also get recognized during dragging operations
Direct touch support:
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Anoto + FTIR
Anoto tracking (1st layer):
Relevant for the Anoto tracking
Projection screen (diffuser)
Scratch resistant film can be applied on top to increase durability of the surface.
FTIR tracking (1st – 3rd layer):
(a) Polycarbonate plate is
covered with
(b) a compliant surface layer
(c) and a diffuse layer on
top.
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Final Setup:
top: HP backlit UV
Compliant surface:
0,18 mm transparent latex sheet
LED: SFH485P
Bottom:
6 mm polycarbonate sheet
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Pros:
+High resolution pen tracking (600dpi)+High speed pen tracking (75Hz) +Large sizes possible (>4 000 000 km²)+Arbitrary shapes possible (circle, freeform)+Multiple pens (7 per Bluetooth reciever)+No Shadows+Flexible Setup+Direct touch support
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FLUX
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Flexible Setup which automatically adapts to intended use
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http://mi-lab.org/
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http://mi-lab.org/slide09