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Towards Inertial Sensor Based Mobile Gait Analysis: Event-Detection and Spatio-Temporal Parameters

Wolfgang Teufl, Michael Lorenz, Markus Miezal, Bertram Taetz, Michael Fröhlich, Gabriele Bleser
2018 Sensors  
A kinematic approach was used to estimate the initial and terminal contact events in real-time. Based on these events twelve spatio-temporal parameters (STP) were calculated.  ...  The aim of this study was to assess the validity and test-retest reliability of an inertial measurement unit (IMU) system for gait analysis.  ...  Hence, the segment kinematics estimation method as well as the calculation of the spatio-temporal parameters given the events are generally applicable, while only the chosen event-detection method is specific  ... 
doi:10.3390/s19010038 fatcat:krxvtuyw3fekbfejlm4vcdq5oy

Towards Mobile Gait Analysis: Concurrent Validity and Test-Retest Reliability of an Inertial Measurement System for the Assessment of Spatio-Temporal Gait Parameters

Felix Kluge, Heiko Gaßner, Julius Hannink, Cristian Pasluosta, Jochen Klucken, Björn Eskofier
2017 Sensors  
The sensor-based system was able to accurately capture spatio-temporal gait parameters as compared to the reference camera-based system for normal and impaired gait.  ...  The purpose of this study was to assess the concurrent validity and test-retest reliability of a sensor-based gait analysis system.  ...  funding from the E|Home-Center of the Friedrich-Alexander University Erlangen-Nürnberg (FAU), Germany for the project MotionLab@Home (Bayerisches Staatsministerium für Wissenschaft, Forschung und Kunst) and  ... 
doi:10.3390/s17071522 pmid:28657587 pmcid:PMC5539856 fatcat:l26k6s3ozfbtnat2orxvpzitru

Towards a Mobile Gait Analysis for Patients with a Spinal Cord Injury: A Robust Algorithm Validated for Slow Walking Speeds

Charlotte Werner, Chris Awai Awai Easthope, Armin Curt, László Demkó
2021 Sensors  
As using inertial sensors for mobile gait analysis has started to gain ground, this work aimed to develop a sensor-based gait analysis for the specific population of SCI patients that measures the spatio-temporal  ...  The proposed algorithm uses shank-mounted inertial sensors and personalized thresholds to detect steps and gait events according to the individual gait profiles.  ...  Acknowledgments: The authors would like to thank Freschta Zipser-Mohammadzada for her support on the data collection and Iris Krüsi for the help on ethic related matters and Cornelia Stress for assisting  ... 
doi:10.3390/s21217381 pmid:34770686 pmcid:PMC8587087 fatcat:clfe32mdpfgjbotqzq73paswbq

A Mobile Kalman-Filter Based Solution for the Real-Time Estimation of Spatio-Temporal_newline Gait Parameters

Alberto Ferrari, Pieter Ginis, Michael Hardegger, Filippo Casamassima, Laura Rocchi, Lorenzo Chiari
2016 IEEE transactions on neural systems and rehabilitation engineering  
Index Terms-Gait analysis, inertial sensors, Kalman filter, mobile health, Parkinson's disease, sensor fusion, spatio-temporal gait parameters.  ...  We present an implementation of a zero-velocity-update gait analysis system based on a Kalman filter and off-the-shelf shoe-worn inertial sensors.  ...  Clausen and S. Mach for their contribution in data collection.  ... 
doi:10.1109/tnsre.2015.2457511 pmid:26259246 fatcat:4ntaebts3bc5vkid5jucyk6wqu

Experimental Validation of the Tyndall Portable Lower-limb Analysis System with Wearable Inertial Sensors

Salvatore Tedesco, Andrea Urru, Amanda Clifford, Brendan O'Flynn
2016 Procedia Engineering  
It is mostly performed using camera-based motion analysis systems, which provide good results but present serious drawbacks (for instance, consistent size, high cost, and lack of portability).  ...  Moreover, it is able to detect atypical movement characteristics.  ...  Acknowledgments This publication has emanated from research supported in part by a research grant from Science Foundation Ireland (SFI) and is co-funded under the European Regional Development Fund under  ... 
doi:10.1016/j.proeng.2016.06.215 fatcat:fdx3dpvulzcmdfoxff75nfcajy

A Review on Accelerometry-Based Gait Analysis and Emerging Clinical Applications

Delaram Jarchi, James Pope, Tracey K. M. Lee, Larisa Tamjidi, Amirhosein Mirzaei, Saeid Sanei
2018 IEEE Reviews in Biomedical Engineering  
The commonly used gait phases and parameters are enumerated. The details of extracting the papers for review are provided. We also review several gait analysis software.  ...  Then, we provide an extensive report of accelerometry based gait analysis systems and applications with additional emphasis on trunk accelerometry.  ...  Trunk accelerometry based gait analysis There has been a great interest in the use of single trunk mounted accelerometer to estimate the spatio-temporal gait parameters and apply it for clinical applications  ... 
doi:10.1109/rbme.2018.2807182 pmid:29994786 fatcat:dt5xrebn4fa2xgrpekmiwo6eza

A sensor fusion approach for inertial sensors based 3D kinematics and pathological gait assessments: toward an adaptive control of stimulation in post-stroke subjects*

B. Sijobert, F. Feuvrier, J. Froger, D. Guiraud, C.Azevedo Coste
2018 2018 40th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)  
This study proposes a novel approach using inertial sensors to compute dorsiflexion angles and spatio-temporal parameters, in order to be later used as inputs for online close-loop control of FES. 26 post-stroke  ...  Pathological gait assessment and assistive control based on functional electrical stimulation (FES) in post-stroke individuals, brings out a common need to robustly quantify kinematics facing multiple  ...  Numerous authors have suggested methods involving Inertial Measurement Units (IMU) sensors in order to estimate gait temporal or spatio-temporal parameters [7] as well as to compute joint angles during  ... 
doi:10.1109/embc.2018.8512985 pmid:30441133 fatcat:vwtzdsxggjcl5k65czsh5umih4

Inertial Sensor-Based Robust Gait Analysis in Non-Hospital Settings for Neurological Disorders

Can Tunca, Nezihe Pehlivan, Nağme Ak, Bert Arnrich, Gülüstü Salur, Cem Ersoy
2017 Sensors  
To overcome these challenges, we propose a foot-mounted inertial sensor-based gait analysis system that extends the well-established zero-velocity update and Kalman filtering methodology.  ...  Using inertial sensors for gait analysis has been well explored in the literature with promising results.  ...  Extraction of Spatio-Temporal Gait Metrics After the IC and FO events are detected, their time instances can be used to determine stance and swing times.  ... 
doi:10.3390/s17040825 pmid:28398224 pmcid:PMC5422186 fatcat:uq2dqkxbkzbbfeemcqxtohqyfy

Sensor-Based Gait Parameter Extraction With Deep Convolutional Neural Networks

Julius Hannink, Thomas Kautz, Cristian F. Pasluosta, Karl-Gunter Gasmann, Jochen Klucken, Bjoern M. Eskofier
2017 IEEE journal of biomedical and health informatics  
Regarding mobile gait analysis, this enables integration-free and data-driven extraction of a set of 8 spatio-temporal stride parameters.  ...  Our results further indicate that the proposed change in methodology could substitute assumption-driven double-integration methods and enable mobile assessment of spatio-temporal stride parameters in clinically  ...  Discussion We present a method for data to knowledge translation in the context of sensor-based gait analysis to extract a total of 8 spatio-temporal stride characteristics.  ... 
doi:10.1109/jbhi.2016.2636456 pmid:28103196 fatcat:qcr5dbbrlze5tjadgzhp7bqm5e

Sensing Solutions for Collecting Spatio-Temporal Data for Wildlife Monitoring Applications: A Review

Mitra Baratchi, Nirvana Meratnia, Paul Havinga, Andrew Skidmore, Bert Toxopeus
2013 Sensors  
Several technologies can be used in such networks for sensing purposes and for collecting spatio-temporal data from animals.  ...  To realize this concept, ecologists rely on data collection technologies providing spatio-temporal data in order to analyze movement.  ...  These factors are: (i) choice of modality, (ii) technology and (iii) data analysis techniques to extract the spatio-temporal properties.  ... 
doi:10.3390/s130506054 pmid:23666132 pmcid:PMC3690045 fatcat:zp2liusyrzd5hpzhb6lcwjxr3y

Assessment Methods of Post-stroke Gait: A Scoping Review of Technology-Driven Approaches to Gait Characterization and Analysis

Dhanya Menoth Mohan, Ahsan Habib Khandoker, Sabahat Asim Wasti, Sarah Ismail Ibrahim Ismail Alali, Herbert F. Jelinek, Kinda Khalaf
2021 Frontiers in Neurology  
Conventional qualitative gait analysis, typically used in clinics is mainly based on observational gait and is hence subjective and largely impacted by the observer's experience.  ...  Quantitative gait analysis, however, provides measured parameters, with good accuracy and repeatability for the diagnosis and comparative assessment throughout rehabilitation.  ...  Early studies included automated detection of gait events using inductive learning (148) and an integrated gait analysis framework (149, 150) .  ... 
doi:10.3389/fneur.2021.650024 pmid:34168608 pmcid:PMC8217618 fatcat:oh3uiqbq3ben5gkrcgbg52hbhy

Detection of gait from continuous inertial sensor data using harmonic frequencies

Martin Ullrich, Arne Kuederle, Julius Hannink, Silvia Del Din, Heiko Gassner, Franz Marxreiter, Jochen Klucken, Bjoern Michael Eskofier, Felix Kluge
2020 IEEE journal of biomedical and health informatics  
Mobile gait analysis using wearable inertial measurement units (IMUs) provides valuable insights for the assessment of movement impairments in different neurological and musculoskeletal diseases, for example  ...  Therefore, we developed a novel algorithm for the detection of gait from continuous inertial data of sensors worn at the feet.  ...  Reichhardt and T. Gladow for their effort in compiling the validation data set as well as all participants of the study for their contributions.  ... 
doi:10.1109/jbhi.2020.2975361 pmid:32086225 fatcat:ajlvtgg7yvaufmcmqudo4bynqi

Gait Event Detection in Real-World Environment for Long-Term Applications: Incorporating Domain Knowledge Into Time-Frequency Analysis

Siddhartha Khandelwal, Nicholas Wickstrom
2016 IEEE transactions on neural systems and rehabilitation engineering  
Abstract-Detecting gait events is the key to many gait analysis applications that would benefit from continuous monitoring or long-term analysis.  ...  Most gait event detection algorithms using wearable sensors that offer a potential for use in daily living have been developed from data collected in controlled indoor experiments.  ...  Josef Bigun for his valuable insights on wavelet transforms and Prof. Eric Järpe for discussions on statistical inference.  ... 
doi:10.1109/tnsre.2016.2536278 pmid:26955043 fatcat:uxnevxukfffvjgvwtmu6fiykoq

Detection of Gait From Continuous Inertial Sensor Data Using Harmonic Frequencies

Martin Ullrich, Arne Küderle, Julius Hannink, Silvia Del Din, Heiko Gaßner, Franz Marxreiter, Jochen Klucken, Bjoern M. Eskofier, Felix Kluge
2020 Zenodo  
Abstract: Mobile gait analysis using wearable inertial measurement units (IMUs) provides valuable insights for the assessment of movement impairments in different neurological and musculoskeletal diseases  ...  Therefore, we developed a novel algorithm for the detection of gait from continuous inertial data of sensors worn at the feet.  ...  Reichhardt and T. Gladow for their effort in compiling the validation data set as well as all participants of the study for their contributions.  ... 
doi:10.5281/zenodo.4462450 fatcat:t2ee776sorhvret46ctalqr2nu

Frailty assessment based on trunk kinematic parameters during walking

Alicia Martínez-Ramírez, Ion Martinikorena, Marisol Gómez, Pablo Lecumberri, Nora Millor, Leocadio Rodríguez-Mañas, Francisco José García García, Mikel Izquierdo
2015 Journal of NeuroEngineering and Rehabilitation  
Findings: The spatio-temporal and frequency parameters measured in this study with an inertial sensor are related to gait disorders and showed significant differences among groups (frail, pre-frail and  ...  Gait analysis has been widely used to predict frailty.  ...  Acknowledgments This work was supported in part by the Spanish Department of Health and Institute Carlos III of the Government of Spain [Spanish Net on Aging and frailty; (RETICEF)], and Economy and Competitivity  ... 
doi:10.1186/s12984-015-0040-6 pmid:26003560 pmcid:PMC4443533 fatcat:25rwyzftmnbplbq4c77wb4wgta
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