基于安卓智能手机的加速度传感器检测人体跌倒
首发时间:2014-08-15
摘要:为能及时救助跌倒的老年人,减少其受到的伤害,本文提出一种对人体跌倒进行检测的系统,该系统基于安卓操作系统的智能手机中的加速度传感器来获取人体任意时刻的三轴加速度,。此系统利用人体的合加速度幅值作为判断是否发生跌倒现象的首要标准,再通过计时滤波提高检测的正确率。实验结果表明人体在携带安装并运行着本实验设计的Acelerometer Activity的应用程序的智能手机,能够在人体发生跌倒情况下准确进行报警,达到检测人体正常跌倒情况的标准。
关键词: 三轴加速度 人体姿势检测 Android智能手机
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A Fall Detection System using Cell Phone Accelermeter based on Android
Abstract:In order to help the elders who are easier to fall down and reduce the harm they may get,the author presented a fall detection system using cell phone accelerometer based on Android,so we can receive the tri-axis accelerometer datas .This system first judges whether a person is falling down or not by his amplitude and acceleration,then improves the high accuracy by using the timing filtration. The experimental results show that the fall detection system can send out an alarm message when a person falls down, carrying the smart phone operating the Acelerometer Activity we design for this program,which means it is up to the standard of detecting human falling.
Keywords: ktri-axis accelerometer data Activity recognition smart phone based on Android
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