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Related papers: Simulating Wear On Total Knee Replacements

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We address a state-of-the-art reinforcement learning (RL) control approach to automatically configure robotic prosthesis impedance parameters to enable end-to-end, continuous locomotion intended for transfemoral amputee subjects.…

Robotics · Computer Science 2023-03-31 Ruofan Wu , Zhikai Yao , Jennie Si , He , Huang

The study of biomechanics during locomotion provides valuable insights into the effects of varying conditions on specific movement patterns. This research focuses on examining the influence of different shoe parameters on walking…

This paper describes a method to convert Microsoft Kinect coordinates into gait parameters in order to detect a person's gait change. The proposed method can help quantify the progress of physical therapy. Microsoft Kinect, a popular…

Computation · Statistics 2019-02-28 Behnam Malmir , Shing I Chang

Accurate estimation of the human circadian phase plays an important role in personalized health monitoring, but most existing wearable-based approaches operate retrospectively and require full circadian cycle recordings, leading to high…

Signal Processing · Electrical Eng. & Systems 2026-05-05 Mengzhu Xu , Nemanja Cabrilo , Merel van Gilst , Jean-Paul Linnartz

Involuntary motion during weight-bearing cone-beam computed tomography (CT) scans of the knee causes artifacts in the reconstructed volumes making them unusable for clinical diagnosis. Currently, image-based or marker-based methods are…

Computer Vision and Pattern Recognition · Computer Science 2020-10-22 Jennifer Maier , Marlies Nitschke , Jang-Hwan Choi , Garry Gold , Rebecca Fahrig , Bjoern M. Eskofier , Andreas Maier

Tracking the full skeletal pose of the hands and fingers is a challenging problem that has a plethora of applications for user interaction. Existing techniques either require wearable hardware, add restrictions to user pose, or require…

Computer Vision and Pattern Recognition · Computer Science 2017-05-23 Stan Melax , Leonid Keselman , Sterling Orsten

This paper presents an algorithm that makes novel use of distance measurements alongside a constrained Kalman filter to accurately estimate pelvis, thigh, and shank kinematics for both legs during walking and other body movements using only…

Systems and Control · Electrical Eng. & Systems 2020-03-24 Luke Sy , Nigel H. Lovell , Stephen J. Redmond

Involuntary subject motion is the main source of artifacts in weight-bearing cone-beam CT of the knee. To achieve image quality for clinical diagnosis, the motion needs to be compensated. We propose to use inertial measurement units (IMUs)…

Image and Video Processing · Electrical Eng. & Systems 2021-02-25 Jennifer Maier , Marlies Nitschke , Jang-Hwan Choi , Garry Gold , Rebecca Fahrig , Bjoern M. Eskofier , Andreas Maier

Predicting lower limb motion intent is vital for controlling exoskeleton robots and prosthetic limbs. Surface electromyography (sEMG) attracts increasing attention in recent years as it enables ahead-of-time prediction of motion intentions…

The vertical ground reaction force (vGRF) and its characteristic weight acceptance and push-off peaks measured during walking are important for gait and biomechanical analysis. Current wearable vGRF estimation methods suffer from drifting…

Human-Computer Interaction · Computer Science 2025-01-15 Femi Olugbon , Nozhan Ghoreishi , Ming-Chun Huang , Wenyao Xu , Diliang Chen

Background and Objective: Accurate surrogate modeling of knee joint contact mechanics is important for reconstructing stress distributions and identifying risk-relevant regions, yet the relative suitability of different modeling paradigms…

Quantitative Methods · Quantitative Biology 2026-04-03 Zhengye Pan , Jianwei Zuo , Jiajia Luo

Over the past few years, the division of gait phases has emerged as a complex area of research that carries significant importance for various applications in the field of gait technologies. The accurate partitioning of gait phases plays a…

Robotics · Computer Science 2023-10-17 Barath Kumar JK , Aswadh Khumar G S

Multiple sclerosis (MS) is the leading cause of severe non-traumatic disability in young adults and its incidence is increasing worldwide. The variability of gait impairment in MS necessitates the development of a non-invasive, sensitive,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Klervi Le Gall , Lise Bellanger , David Laplaud , Aymeric Stamm

Round-the-clock monitoring of human behavior and emotions is required in many healthcare applications which is very expensive but can be automated using machine learning (ML) and sensor technologies. Unfortunately, the lack of…

Signal Processing · Electrical Eng. & Systems 2021-02-17 Bonny Banerjee , Masoumeh Heidari Kapourchali , Murchana Baruah , Mousumi Deb , Kenneth Sakauye , Mette Olufsen

Quantifying step abundance via single wrist-worn accelerometers is a common approach for encouraging active lifestyle and tracking disease status. Nonetheless, step counting accuracy can be hampered by fluctuations in walking pace or…

Signal Processing · Electrical Eng. & Systems 2017-11-21 Zeev Waks , Itzik Mazeh , Chen Admati , Michal Afek , Yonatan Dolan , Avishai Wagner

Dynamic radiographic measurement of 3D TKA kinematics has provided important information for implant design and surgical technique for over 30 years. However, current methods of measuring TKA kinematics are too cumbersome or time-consuming…

Quantitative Methods · Quantitative Biology 2022-05-03 Andrew Jensen , Paris Flood , Lindsey Palm-Vlasak , Will Burton , Paul Rullkoetter , Scott Banks

Background. Osteoarthritis affects about 528 million people worldwide, causing pain and stiffness in the joints. Arthroplasty is commonly performed to treat joint osteoarthritis, reducing pain and improving mobility. Nevertheless, a…

This study describes a method to quantify potential gait changes in human subjects. Microsoft Kinect devices were used to provide and track coordinates of fifteen different joints of a subject over time. Three male subjects walk a 10-foot…

Computation · Statistics 2019-03-06 Behnam Malmir , Shing I Chang , Malgorzata Rys , Dylan Darter

The techno-economic and safety concerns of battery capacity knee occurrence call for developing online knee detection and prediction methods as an advanced battery management system (BMS) function. To address this, a transferable…

Systems and Control · Electrical Eng. & Systems 2025-08-18 Huang Zhang , Xixi Liu , Faisal Altaf , Torsten Wik

Gait analysis using computer vision is an emerging field in AI, offering clinicians an objective, multi-feature approach to analyse complex movements. Despite its promise, current applications using RGB video data alone are limited in…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Rahm Ranjan , David Ahmedt-Aristizabal , Mohammad Ali Armin , Juno Kim