Captivates: A Smart Eyeglass Platform for Across-Context Physiological Measurement
summary
An open-source smartglasses platform integrates temple and nose thermopiles, blink sensing, IMU motion, head pose and 3D localization using five base stations, embedded electronics and dual-arm batteries for all-day battery life. Validation compares calibrated thermopiles to thermal video, derives heart rate from multimodal signals, and runs blink detection where hand-labeled thousands of blinks replace failing video classifiers; results show better robustness than OpenFace on natural head and phone-use behavior. Design iterations improve social acceptability to match commercial eyewear.
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