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imaginary phone— learning by transfer. s ean g ustafson c hristian h olz patrick b audisch. or projector. to achieve ultimate mobility: sacrifice screen  limited to gesture-based interaction. gesture pendant [ISWC’00].

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slide1

imaginary phone—

learning by transfer

sean gustafson

christian holz

patrick baudisch

slide2

or projector

to achieveultimatemobility: sacrifice screen

 limited to gesture-based interaction

gesture pendant[ISWC’00]

slide4

bring spatial interaction back, despite non-visual

imaginary interfaces

= “touch screen without the screen”

slide11

transfer learning

1. users repeatedly performa task usinga physical device

slide12

transfer learning

2. this builds up spatial memory, eventuallyallows performing the task without phone

slide13

to make this work, we make imaginaryphone

mimics the layout of the physical phone

slide14

imaginary phone prototype

does transfer learning work?

slide17

what we used

our new camera

slide27

main hypothesis: through repeated use of a physical deviceusers learn how to operate the imaginary counterpart

slide28

with repeated use of physical phone, usersbuild up spatial memory

spatialmemory mapsto the hand

on the hand users target accurately

learn

map

target

slide29

learn

map

target

1) users build up spatial memory?

slide30

“Do you have an iPhone?

(and do you like chocolate?)”

slide31

participant

experimenter

slide33

results

results

7

1%

%

6

7

%

6

5

%

percentage ofcorrectly placed apps

apps used

D

a

i

l

y

W

e

e

k

l

y

R

a

r

e

l

y

slide34

learn

map

target

2) does spatial memory

map to the hand?

slide35

there was a second condition

select on hand

select on phone prop

slide36

results

%

%

percentage ofcorrectly placed apps

slide37

results

%

%

percentage ofcorrectly placed apps

slide38

learn

map

target

3) on the hand, users target accurately?

slide41

select in empty space

select on palm

slide48

50%

more

accurate

slide49

learn

map

target

slide50

if users know 70% of functions…do we need to train them to 100%?

no, actually knowledge of a single function gets you started

slide53

1996

2007

imaginary

:= a shortcut for mobile device

slide54

next goal: leave your phone at home

Image of phone left on counter as your walks out the door.

slide55

imaginary phone—

learning by transfer

sean gustafson

christian holz

patrick baudisch