Wearables as Context for Guiard-abiding Bimanual Touch
summary
Wearables augment multi-touch whiteboards so the system identifies both which person and which hand produces each touch, enabling true Guiard-style asymmetric bimanual mappings. Implementation couples touch events to accelerometer spikes within 100 ms from a wristband (Microsoft Band) and an IMU ring, plus orientation-based gestures like the back-of-fingernail pinch. Prototypes include affinity tool sheets and moodboard techniques (ChopZ, straightedge, group sheets). A lab study with 8 participants shows the approach works but some phrasing gestures cause fatigue.
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chapters (8)
- 0:00Introduction to research
- 0:47Problem with large touch displays
- 2:56Guiard’s bimanual principles
- 6:08Affinity system demo
- 8:35Mood board system demo
- 14:47Evaluation and findings
- 16:35Wearables provide context
- 17:43Q&A session
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