TY - GEN
T1 - A Gait Events Detection Algorithm Based on the Invariant Characteristic of Hip Joint Kinematics
AU - Xu, Ningcun
AU - Peng, Xiwei
AU - Peng, Liang
AU - Hou, Zeng Guang
N1 - Publisher Copyright:
© 2021 IEEE.
PY - 2021
Y1 - 2021
N2 - In order to make up for the shortcomings of a single inertial sensor, which is easily disturbed and unable to directly describe the periodic characteristics of gait, a novel gait events detection algorithm is proposed which is based on the invariant characteristics of hip joint kinematics. Four healthy volunteers conducted a walking experiment over the ground, who were equipped with motion capture device and insole with foot-switch. The hip angle derived from motion capture device were applied to detect gait events, heel stride (HS) and toe off (TO). And the gait events detected by ground reactor force (GRF) were taken as the reference standard. The mean absolute difference of HS is 28 ± 42ms, and the mean absolute difference of TO is 27 ± 43ms. And the confidence levels of the two gait events are 97.5% and 99.2%, respectively. The results demonstrate that the proposed gait events detection algorithm is reliability and has potential clinical application value.
AB - In order to make up for the shortcomings of a single inertial sensor, which is easily disturbed and unable to directly describe the periodic characteristics of gait, a novel gait events detection algorithm is proposed which is based on the invariant characteristics of hip joint kinematics. Four healthy volunteers conducted a walking experiment over the ground, who were equipped with motion capture device and insole with foot-switch. The hip angle derived from motion capture device were applied to detect gait events, heel stride (HS) and toe off (TO). And the gait events detected by ground reactor force (GRF) were taken as the reference standard. The mean absolute difference of HS is 28 ± 42ms, and the mean absolute difference of TO is 27 ± 43ms. And the confidence levels of the two gait events are 97.5% and 99.2%, respectively. The results demonstrate that the proposed gait events detection algorithm is reliability and has potential clinical application value.
KW - gait event
KW - hip joint kinematics
KW - inertial sensor
KW - statistical analysis
UR - http://www.scopus.com/inward/record.url?scp=85125178098&partnerID=8YFLogxK
U2 - 10.1109/CCDC52312.2021.9601607
DO - 10.1109/CCDC52312.2021.9601607
M3 - Conference contribution
AN - SCOPUS:85125178098
T3 - Proceedings of the 33rd Chinese Control and Decision Conference, CCDC 2021
SP - 861
EP - 866
BT - Proceedings of the 33rd Chinese Control and Decision Conference, CCDC 2021
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 33rd Chinese Control and Decision Conference, CCDC 2021
Y2 - 22 May 2021 through 24 May 2021
ER -