Transcript shift patrick baudisch :: dan vogel pen unique contact point remove hand from screen finger unclear contact point finger occludes target.

shift
patrick baudisch :: dan vogel
pen
unique contact point
remove hand from screen
finger
unclear contact point
finger occludes target
shift
benefit 1
click on the target itself, as users expect
 kiosk, but also when switching between pen and touch
corners
benefit 2
callout can go anywhere, no edge problems
model performance
benefit 3
fast for large targets
when escalate?
vs.
by default: dwell time
extension: larger target  longer dwell time
extension: shift learns dwell times
study
study
3 techniques x
2 finger styles (nail, tip) x
3 blocks x
6 target sizes (6, 12, 18, 24, 48, 96px) x
4 target directions
result
huge error rate renders touch screen
condition unusable for small targets
result
we can
add whatever we want to add to this
added zoom
activation
</end as if>
motivation
retrieving stylus takes time
and 2nd hand
 people use finger instead