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2017 ; 17
(6
): ä Nephropedia Template TP
gab.com Text
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Recognizing Bedside Events Using Thermal and Ultrasonic Readings
#MMPMID28598394
Asbjørn D
; Jim T
Sensors (Basel)
2017[Jun]; 17
(6
): ä PMID28598394
show ga
Falls in homes of the elderly, in residential care facilities and in hospitals
commonly occur in close proximity to the bed. Most approaches for recognizing
falls use cameras, which challenge privacy, or sensor devices attached to the bed
or the body to recognize bedside events and bedside falls. We use data collected
from a ceiling mounted 80 × 60 thermal array combined with an ultrasonic sensor
device. This approach makes it possible to monitor activity while preserving
privacy in a non-intrusive manner. We evaluate three different approaches towards
recognizing location and posture of an individual. Bedside events are recognized
using a 10-second floating image rule/filter-based approach, recognizing bedside
falls with 98.62% accuracy. Bed-entry and exit events are recognized with 98.66%
and 96.73% accuracy, respectively.