Battery-Free Eye Tracker on Glasses

@inproceedings{Li2018BatteryFreeET,
  title={Battery-Free Eye Tracker on Glasses},
  author={Tianxing Li and Xia Zhou},
  booktitle={S3@MobiCom},
  year={2018}
}
We propose the design of a battery-free wearable eye tracker that achieves sub-millimeter tracking accuracy at high tracking rates. It tracks pupil's 2D position based on pupil's light absorption effect. With a few near-infrared (NIR) lights and photodiodes around the eye, NIR lights sequentially illuminate the eye from various directions while photodiodes sense spatial patterns of reflected light, which are used to infer pupil positions on the fly through a lightweight inference algorithm. The… CONTINUE READING

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