Tap, Dwell or Gesture?: Exploring Head-Based Text Entry Techniques for HMDs
summary
Compares three head-rotation techniques on an HMD prototype (keyboard rendered 10 m away, 6 m wide, gamepad for tapping): DwellType 10.59 WPM, TapType 15.58 WPM, and GestureType 19.04 WPM in study 1. Gesture algorithm is improved using head-movement patterns (Mahalanobis distance, extra weight on start/end points) and reaches 24.73 WPM after 60 minutes of training; users report acceptable fatigue, no dizziness, and most errors are corrected via candidate selection.
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chapters (8)
- 0:00Introduction to head-based text entry
- 4:23Research goals and questions
- 5:06Proposed head-based typing techniques
- 7:57First user study and results
- 10:49Head movement patterns discovered
- 12:15Second study and performance gains
- 14:29Research conclusions
- 15:15Q&A session
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