Analysis of the performance of 17 algorithms from a systematic review: Influence of sensor position, analysed variable and computational approach in gait timing estimation from IMU measurements

Gait & Posture
Giulia Pacini PanebiancoSilvia Fantozzi

Abstract

The quantification of gait temporal parameters (i.e. step time, stance time) is crucial in human motion analysis and requires the accurate identification of gait events (i.e. heel strike, toe off). With the widespread use of inertial wearable sensors, many algorithms were proposed and applied for the purpose. Nevertheless, only few studies addressed the assessment of the actual performance of these algorithms, rather considering each proposed algorithm as a whole. How different implementation characteristics influence the assessment of gait events and temporal parameters from inertial sensor measures in terms of accuracy and repeatability? Seventeen different algorithms were identified from a systematic review and classified based on: 1) sensor position, 2) target variable, 3) computational approach. The influence of these characteristics was analysed on walking data of 35 healthy volunteers mounting 5 tri-axial inertial sensors. Foot contact events identified by 2 force platforms were assumed as gold standard. Temporal parameters were calculated from gait events. Algorithm performance was analysed in terms of accuracy (error median value) and repeatability (error 25th and 75th percentile values). Shank- and foot-based algorith...Continue Reading

Citations

Dec 25, 2019·Medical & Biological Engineering & Computing·Emeline SimonettiHélène Pillet
Jul 30, 2020·Biomedical Engineering Online·Francesco Di NardoSandro Fioretti
May 7, 2020·Frontiers in Neurology·Aliénor Vienne-JumeauDamien Ricard
Jan 20, 2021·Medical Engineering & Physics·Y CelikA Godfrey
Nov 12, 2020·Sensors·Mohamed Irfan Mohamed RefaiPeter H Veltink
Nov 19, 2020·Sensors·Tecla Bonci On Behalf Of The Mobilise-D Consortium
Nov 27, 2019·Injury·Isabella Klöpfer-KrämerPeter Augat
May 1, 2021·Sensors·Hari PrasanthJoachim von Zitzewitz
May 22, 2021·Journal of Medical Engineering & Technology·Andrew GeronimoZachary Simmons
Jun 26, 2021·Medical Engineering & Physics·Hannah Lena SiebersMarcel Betsch

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