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.

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.
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Storyboard of Functions

Undertable interaction

Sketch illustrating recognition of points


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


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