RENCI Vis Group Multi-Touch Blog

Developing multitouch hardware and applications for research and experimentation.

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Date: November 10th, 2008

Multi-Touch Calibration Device

November 10, 2008 (13:35) | Duke Multi-Touch Wall, Multi-Touch | No comments

Aligning the detected touches with the projected screen requires the use of a calibration application built into Touchlib. Creating precise touches is made easier using the calibration tool we developed. Since there can be variations in the illumination behind (or under) the projection screen, it’s easier to turn off the illuminators and use an infra [...]