Pyro: Thumb-Tip Gesture Recognition Using Pyroelectric Infrared Sensing

被引:56
作者
Gong, Jun [1 ]
Zhang, Yang [2 ]
Zhou, Xia [1 ]
Yang, Xing-Dong [1 ]
机构
[1] Dartmouth Coll, Hanover, NH 03755 USA
[2] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA
来源
UIST'17: PROCEEDINGS OF THE 30TH ANNUAL ACM SYMPOSIUM ON USER INTERFACE SOFTWARE AND TECHNOLOGY | 2017年
基金
美国国家科学基金会;
关键词
Micro thumb-tip gesture; PIR; pyroelectric; wearable;
D O I
10.1145/3126594.3126615
中图分类号
TP31 [计算机软件];
学科分类号
081202 ; 0835 ;
摘要
We present Pyro, a micro thumb-tip gesture recognition technique based on thermal infrared signals radiating from the fingers. Pyro uses a compact, low-power passive sensor, making it suitable for wearable and mobile applications. To demonstrate the feasibility of Pyro, we developed a self-contained prototype consisting of the infrared pyroelectric sensor, a custom sensing circuit, and software for signal processing and machine learning. A ten-participant user study yielded a 93.9% cross-validation accuracy and 84.9% leave-one-session-out accuracy on six thumb-tip gestures. Subsequent lab studies demonstrated Pyro's robustness to varying light conditions, hand temperatures, and background motion. We conclude by discussing the insights we gained from this work and future research questions.
引用
收藏
页码:553 / 563
页数:11
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