click dbclick and drag on a wall Background Touch Panel The position you have touched is detected by the sensor embedded in the surface Screen If sensors cannot be embedded in the surface what alternative way is available ID: 576002
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Slide1
Fingertip-shadow for
click, db-click, and drag on a wallSlide2
Background
- Touch Panel -
The position you have touched is detected
by the sensor embedded in the surface.Slide3
- Screen -
If sensors cannot be embedded in the surface, what alternative way is available
?
Background
- Projector -Slide4
- Cam -
- Cam 2 -
- Cam 1 -
Use two cameras Use one camera
Touched!!
Touched!!
Background
Touching is not detected
instantly
Touching is detected
instantlySlide5
- Cam -
- Projector -
- Screen -
We use ONE camera to determine instantly
if a fingertip has touched a screen.
Aim of this study
Touched!!Slide6
Fingertip shadow in touching a screen
When a fingertip is
not on the screen,
When a fingertip is
on the screen,Slide7
Fingertip is NOT on the screen
- Screen -
Fingertip is on the screen
- Screen -
Fingertip shadow in touching a screenSlide8
When do clickin, clickout, and move occur ?
Fingertip shadow in touching a screen
clickin
clickout
moveSlide9
Fingertip shadow in touching a screen
click, db-click, and drag are formed
by clickin, clickout, and move.
click
clickin+clickout
click
db-click
clickin+clickout
+clickin+clickout
db-click
drag
drag
clickin+moveSlide10
Look of our system
Framework of our system
Camera
Projector
Screen
ApplicationSlide11
Map View
Application
Zooming in, scrolling,
and zooming out a map
A user is allowed to manipulate a map by touching.Slide12
Application
Writing “Hello!”
MS PaintSlide13
Fingertip-shadow for
click, db-click, and drag on a wall
We focused on
fingertip shadow
in order to
determine if the fingertip has touched a screen.
We built a system providing
click, db-click,
and drag.
We applied the system to two applications.
Conclusions