Under table manipulation

Validation level: 5. CHI, UIST, CSCW and TOCHI paper publication

Under table finger pointing technique. A two-sided touch table extends the input capabilities of traditional direct-touch surfaces.

Tabletop screen Finger Pointing
Publications
Copy Bibtex Wigdor, D.; Leigh, D.; Forlines, C.; Shipman, S.; Barnwell, J.; Balakrishnan, R. and Shen, C. Under the table interaction. In Proceedings of the 19th annual ACM symposium on User interface software and technology, pages 259-268, 2006.
Also featured in
Storyboard of Functions

Undertable interaction

Sketch illustrating recognition of points

Highlights:

Privacy of Input. Alternative input mapping. Accidental touching is less likely to happen.

Limitations:

The space of use is limited within the reach of user's hand.