Rene Martinus Maria Derkx,Brian Brand Antonius Johannes Bloememdal,Vincent Alexander Rudolf Aarts
申请号：
US16318196
公开号：
US20190282128A1
申请日:
2017.08.09
申请国别(地区):
US
年份:
2019
代理人:
摘要：
The present invention relates to a processing apparatus (10), system (1) and method (20) for determining an ambulation motion of a subject. Advantageously also a slow ambulation motion may be detected. The processing apparatus is configured to perform the steps of obtaining accelerometer data indicative of a trunk motion of the subject； extracting one or more orthogonal motion components from high-pass filtered accelerometer data； determining a gravity component from low-pass filtered accelerometer data； comparing a direction of at least one of said orthogonal motion components with a direction of the gravity component； and classifying a motion of the subject as ambulation if said motion component is orthogonal or parallel to said gravity component.
