Multimodal Smart Eyewear for Longitudinal Eye Movement Tracking
Multimodal Smart Eyewear for Longitudinal Eye Movement Tracking
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DOI：
10.1016/j.matt.2020.07.030
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发表时间：
2020-10-07
期刊：
影响因子：
18.9
通讯作者：
Andrew, Trisha L.
中科院分区：
文献类型：
--
作者：
Homayounfar, S. Zohreh;Rostaminia, Soha;Andrew, Trisha L.
利用常见的衣物或配饰对多种生理信号进行情境测量能够深入了解健康和行为状况。在面部或面部附近记录这些信号具有挑战性，因为大多数受试者对放置在面部或头部的器具较为敏感。在此，织物电极和服装设计策略协同使用，为从用户面部纵向采集生理信号提供了一个不引人注目的平台——切斯玛（Chesma）。切斯玛包含两种新型的基于织物的电极：一种水凝胶电极（tAgTrode），它在多次使用/清洗后仍能保持其离子特性，不会引起皮肤刺激，并且能够连续运行8小时以上而不丧失信号完整性；第二种是一种离子导电织物压力传感器（Press - ION），它可捕捉脉搏波形。当将这些电极缝制在一个轻质眼罩上时，它们能够同时收集互补的眼电和心脏数据，这可以用于睡眠质量和心理学研究，并提高虚拟现实头戴式设备的准确性和可用性。
Contextual measurements of multiple physiological signals using familiar garments or accessories can provide insights into health and behavior. Recording these signals on or near the face is challenging because most subjects are sensitive to implements placed on the face or head. Here, fabric electrodes and garment design strategies are used synergistically to afford an unobtrusive platform, Chesma, for longitudinal acquisition of physiological signals from a user's face. Chesma contains two novel fabric-based electrodes: a hydrogel electrode (tAgTrode) that retains its ionic character after multiple uses/washes, does not cause skin irritation, and can be continuously operated for upward of 8 h without losing signal integrity. Second is an ion-conductive fabric pressure sensor (Press-ION) that captures pulse waveforms. When sewn onto a lightweight eye mask, these electrodes simultaneously gather complementary electro-oculography and cardiac data, which can enable sleep quality and psychological studies and improve the accuracy and usability of virtual reality headsets.