标题:FaceOff:使用腕戴式加速度计检测人脸触摸

摘要】根据疾病预防控制中心的说法,防止自己感染冠状病毒(COVID-19)的关键步骤之一是避免用未洗的手触摸眼睛,鼻子和嘴巴。但是,触摸脸部是一种频繁且自发的行为-一项研究发现,受试者平均每小时触摸23次。创意解决方案已经出现在一些最近的商业和业余爱好者项目中,但是大多数要么是开源的,要么缺乏性能验证。我们开发了FaceOff-一种传感技术,该技术使用商品腕戴式加速计来根据将手举向面部的特定运动模式来检测面部触摸行为。我们报告了一项调查(N = 20),该调查得出了人们触摸面部的不同方式,该算法可暂时整合数据驱动的模型,以识别何时发生了面部触摸行为,并且是通过初步用户测试得出的结果(N = 3,总计大约90分钟)。

Title: FaceOff: Detecting Face Touching with a Wrist-Worn Accelerometer

[abstract]  According to the CDC, one key step of preventing oneself from contracting coronavirus (COVID-19) is to avoid touching eyes, nose, and mouth with unwashed hands. However, touching one’s face is a frequent and spontaneous behavior—one study observed subjects touching their faces on average 23 times per hour. Creative solutions have emerged amongst some recent commercial and hobbyists’ projects, yet most either are closed-source or lack validation in performance. We develop FaceOff—a sensing technique using a commodity wrist-worn accelerometer to detect face-touching behavior based on the specific motion pattern of raising one’s hand towards the face. We report a survey (N=20) that elicits different ways people touch their faces, an algorithm that temporally ensembles data-driven models to recognize when a face touching behavior occurs and results from a preliminary user testing (N=3 for a total of about 90 minutes).

【作者】Xiang ‘Anthony’ Chen

点击查看原文

头像

By szf