Z-Touch - Zooming

Validation level: 4. Other peer-reviewed paper publication

Z-touch, a multi-touch table that can sense the approximate postures of fingers or hands in the proximity of the tabletop’s surface. Users can simultaneously control zooming and scrolling by pointing a finger and varying its height. The zooming level of the map is controlled by the proximity of the finger to the surface.

Also featured in
Storyboard of Functions
Finger angle detection. The system can detect the finger angles by matching the appearance of finger postures in laser plane images obtained at different heights.