Off-Limits: Interacting Beyond the Boundaries of Large Displays
summary
Extends pointing off the screen and shows it works: three studies compare touch, midair on-screen pointing, and an initial off-screen extrapolation with 12 participants (180 trials each), then 15 participants (384 trials each) to model systematic undershooting, and a final evaluation with 13 participants. A corrective model (degrees-based) plus a hard limit of 5× display width per side becomes Off-Limits, implemented with Microsoft Kinect and OptiTrack; Off-Limits yields faster completion, fewer interactions, and unanimous participant preference.
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chapters (14)
- 0:00Intro
- 5:40Results
- 6:15Observations
- 8:14New Study
- 9:22Plot
- 10:25Model
- 11:51OffLimits
- 13:09OffLimits Results
- 14:28OffLimits Applications
- 16:11Summary
- 16:45Questions
- 17:29Uncertainty
- 19:00Planner extension
- 20:52Good talks
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