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Direction Sensitive Fall Detection Using a Triaxial Accelerometer and a Barometric Pressure Sensor
 

Summary: Direction Sensitive Fall Detection Using a Triaxial Accelerometer and a
Barometric Pressure Sensor
Marie Tolkiehn, Louis Atallah, Benny Lo and Guang-Zhong Yang
Abstract-- Falling is one of the leading causes of serious
health decline or injury-related deaths in the elderly. For
survivors of a fall, the resulting health expenses can be a
devastating burden, largely because of the long recovery time
and potential comorbidities that ensue. The detection of a fall
is, therefore, important in care of the elderly for decreasing the
reaction time by the care-givers especially for those in care
who are particularly frail or living alone. Recent advances
in motion-sensor technology have enabled wearable sensors
to be used efficiently for pervasive care of the elderly. In
addition to fall detection, it is also important to determine the
direction of a fall, which could help in the location of joint
weakness or post-fall fracture. This work uses a waist-worn
sensor, encompassing a 3D accelerometer and a barometric
pressure sensor, for reliable fall detection and the determination
of the direction of a fall. Also assessed is an efficient analysis
framework suitable for on-node implementation using a low-

  

Source: Atallah, Louis - Department of Computing, Imperial College, London

 

Collections: Computer Technologies and Information Sciences