WatchThru: Expanding Smartwatch Displays with Mid-air Visuals and Wrist-worn Augmented Reality
summary
A semi‑transparent secondary screen straps to a commercial smartwatch and mirrors the main display, enabling Pop-up Visuals, Second Perspective, and Peek-through interactions; two prototype types are built (one for pop-up/second‑perspective, one for peek‑through AR) and construction files are available. Peek‑through uses OptiTrack 6‑DoF watch tracking plus head tracking for dynamic field‑of‑view calculations. Users prefer a ~12.5° angle for switching, prototypes work indoors but suffer in strong illumination and when mirrored main‑screen content distracts.
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chapters (6)
- 0:00Introduction to WatchThrough
- 1:53Related work and design
- 4:40Interaction techniques
- 7:23Evaluation and limitations
- 9:33Conclusion and summary
- 10:34Q&A session
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