lucid touch

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lucid touch

• daniel wigdor clifford forlines patrick
  baudisch john barnwell chia shen(merlmsr)

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purpose
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vogelbaudisch, CHI06
shift
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seudo
p
transparency
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contributions
1. pseudo transparency enabling back of the
device pointing (3 states visual feedback
land-on selection) 2. form-factor enabling
multi-touch with all ten fingers
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project
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Under the Table (Wigdor et al. UIST 2006)
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Under the Table (Wigdor et al. UIST 2006)
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seudo
p
transparency
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augmented reality
physical see-through
camera see-through
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physical see-through
occlusion remained fat finger problem remained
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camera see-through
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camera see-through
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tracking
pointer (x,y) tracked by camera touch detected by
fingerworks, but not (x,y) during dragging
(dx,dy) from fingerworks
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orm
f
factor
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lated
re
work
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back of device
Behind Touch(Hiraoka et al. IPSJ 2003)
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back of device
Apple (filed jan 5, 2007)
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back of device
HybridTouch(Sugimoto Hiroki Mobile HCI 2006)
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back of device
Gestures(Wobbrock at al, submitted)
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Video Draw (Tang 1991)
hand overlay
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Video Arms(Tang et al. CSCW 2004)
hand overlay
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Large Display Interaction (Malik et al. UIST
2006)
hand overlay
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TactaPad (Tactiva Commercial Product)
hand overlay
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Play together(Andy)
hand overlay
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clearBoard (Ishii 92)
pseudo transparent
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emo
d
applications
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pilot study
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questions
Vs.
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User Study Questions
Vs.
Vs.
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User Study Questions
Vs.
Vs.
Vs.
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Tasks
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Tasks
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Tasks
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Preference Input Face by Task
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Preference Input Face by Task
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Map
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Docking
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3
5
QWERTY
1
4
i-QWERTY
2
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Preference Pseudo-Transparency by Task
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Preference Pseudo-Transparency by Task
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Map
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Docking
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2
4
QWERTY
2
2
i-QWERTY
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Results Keyboard Layout
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Results Keyboard Layout
3
3
Prefer
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Easy
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next
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next

• make form factor more realistic?
• study land-on targeting w vs. w/o pseudo
  transparency?
• ? reduce lag or mock up tracking?
• write applications?
• other research questions?

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thanks
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Out of Range
Tracking
Release Button
Lift Mouse
State 1
State 0
State 2
Replace Mouse
Depress Button
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Passive Tracking
Release Contact
State 2
State 0
Contact
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Out of Range
Tracking
Release Contact
Remove Finger
State 1
State 0
State 2
Contact
Finger Behind Back
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Out of Range
State 0
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Out of Range
State 0
Finger Behind Back
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Out of Range
State 1
State 0
Finger Behind Back
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Out of Range
Remove Finger
State 1
State 0
Finger Behind Back
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Out of Range
Tracking
Remove Finger
State 1
State 0
Finger Behind Back
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Out of Range
Tracking
Remove Finger
State 1
State 0
Contact
Finger Behind Back
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Out of Range
Tracking
Remove Finger
State 1
State 0
State 2
Contact
Finger Behind Back
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Out of Range
Tracking
Release Contact
Remove Finger
State 1
State 0
State 2
Contact
Finger Behind Back
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Out of Range
Tracking
Release Contact
Remove Finger
State 1
State 0
State 2
Contact
Finger Behind Back
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back of device
Text Entry(Chau et al. CHI 2006)