1.7 – fall detection and risk of falling assessment with wearable sensors
Post on 24-Apr-2015
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Bor-rong Chen, Ph.D.Chief Technology Officer BioSensics LLC
bor-rong.chen@biosensics.com
Demonstration: Fall Detection and Risk of Falling Assessment with Wearable Sensors
www.biosensics.cominfo@biosensics.com
BioSensics LLCBioSensics LLC
• Commonly Employed Approaches– Self-report (wireless help button)– Simple threshold based detection
Automatic Fall Detection
3
PAMSysTM Motion Sensor
PAMSys (Physical Activity Monitoring System)
4© 2012 BioSensics LLC Raw Acceleration Data Analyzed Physical Activity
OOO
PAMSysTM Sensor
5
Algorithms: Fall Detection
PAMSysTM
Postural Analysis:
Sitting, Standing, Lying, Walking
Posture-dependent False Alarm Removal
Rules
Post Shock Analysis
Peak Detection(shock detected?)
Shock Threshold
Transversal Plane
Acceleration
3-axis Acceleration Report
Falls
© 2012 BioSensics LLC
OOO
PAMSysTM Sensor
bor-rong.chen@biosensics.com
Questions & Comments?Questions & Comments?
www.biosensics.cominfo@biosensics.com
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