One-Dimensional Handwriting: Inputting Letters and Words on Smart Glasses
summary
Presents 1D Handwriting, a unistroke gesture method for entering letters and words on one-dimensional interfaces like smart glasses by mapping 2D handwriting into ambiguous two-length unistrokes that each represent 1–4 letters. Uses a Bayesian decoder combining gesture likelihoods and a language model for word disambiguation and a pause gesture to enter letter-selection mode; reports user-study speeds (4.67 WPM letters, 9.72 WPM words; up to 19.6 WPM with training) and better performance than a selection-based 1Line Keyboard variant.
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chapters (12)
- 0:00Start
- 3:12INITIAL DESIGN OF 1D HANDWRITING
- 6:06PHASE 2: EVALUATION OF INITIAL DESIGN
- 8:21PHASE 3: FINAL DESIGN
- 8:34STROKE GESTURE RECOGNITION
- 9:16USER STUDIES
- 10:03STUDY 1: INPUT LETTERS-ACCURACY
- 10:32STUDY 1: INPUT LETTERS-INPUT SPEED
- 12:17STUDY 2: INPUT WORDS-ACCURACY
- 12:27STUDY 2: INPUT WORDS-INPUT SPEED
- 14:52LIMITATIONS AND FUTURE WORK
- 16:28CONCLUSIONS
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