- Wei Guo
- Jingtao Wang
Abstract
Smart watches can enrich everyday interactions by providing both glanceable information and instant access to frequent tasks. However, reading text messages on a 1.5-inch small screen is inherently challenging, especially when a user’s attention is divided. We present SmartRSVP, an attentive speed-reading system to facilitate text reading on small-screen wearable devices. SmartRSVP leverages camera-based visual attention tracking and implicit physiological signal sensing to make text reading via Rapid Serial Visual Presentation (RSVP) more enjoyable and practical on smart watches. Through a series of three studies involving 40 participants, we found that 1) SmartRSVP can achieve a significantly higher comprehension rate (57.5% vs. 23.9%) and perceived comfort (3.8 vs. 2.1) than traditional RSVP; 2) Users prefer SmartRSVP over traditional reading interfaces when they walk and read; 3) SmartRSVP can predict users’ cognitive workloads and adjust the reading speed accordingly in real-time with 83.3% precision.
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