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Musculoskeletal diseases such as sarcopenia and osteoporosis are major obstacles to health during aging. Although dual-energy X-ray absorptiometry (DXA) and computed tomography (CT) can be used to evaluate musculoskeletal conditions,…

Computer Vision and Pattern Recognition · Computer Science 2023-07-24 Yi Gu , Yoshito Otake , Keisuke Uemura , Masaki Takao , Mazen Soufi , Yuta Hiasa , Hugues Talbot , Seiji Okata , Nobuhiko Sugano , Yoshinobu Sato

Inertial-based Motion capture system has been attracting growing attention due to its wearability and unsconstrained use. However, accurate human joint estimation demands several complex and expertise demanding steps, which leads to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Sara M. Cerqueira , Manuel Palermo , Cristina P. Santos

A framework for tightly integrated motion mode classification and state estimation in motion-constrained inertial navigation systems is presented. The framework uses a jump Markov model to describe the navigation system's motion mode and…

Signal Processing · Electrical Eng. & Systems 2023-08-23 Isaac Skog , Gustaf Hendeby , Manon Kok

We present a novel locality-based learning method for cleaning and solving optical motion capture data. Given noisy marker data, we propose a new heterogeneous graph neural network which treats markers and joints as different types of…

This study evaluates the agreement of marker-based and markerless (OpenCap) motion capture systems in assessing joint kinematics and kinetics during cycling. Markerless systems, such as OpenCap, offer the advantage of capturing natural…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Reza Kakavand , Reza Ahmadi , Atousa Parsaei , W. Brent Edwards , Amin Komeili

Markerless motion capture enables the tracking of human motion without requiring physical markers or suits, offering increased flexibility and reduced costs compared to traditional systems. However, these advantages often come at the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 David Tolpin , Sefy Kagarlitsky

To enhance lifting-load estimation accuracy in industrial upper-limb assistive exoskeletons, this study proposes a machine learning-based approach using insole pressure sensors. Unlike traditional methods that rely on electromyography…

Systems and Control · Electrical Eng. & Systems 2026-01-27 Kaida Wu , Peihao Xiang , Chaohao Lin , Ou Bai

Purpose: Optical imaging is evolving as a key technique for advanced sensing in the operating room. Recent research has shown that machine learning algorithms can be used to address the inverse problem of converting pixel-wise multispectral…

This work aims to discuss the current landscape of kinematic analysis tools, ranging from the state-of-the-art in sports biomechanics such as inertial measurement units (IMUs) and retroreflective marker-based optical motion capture (MoCap)…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Kai Armstrong , Alexander Rodrigues , Alexander P. Willmott , Lei Zhang , Xujiong Ye

To help smart wearable researchers choose the optimal ground truth methods for motion capturing (MoCap) for all types of loose garments, we present a benchmark, DrapeMoCapBench (DMCB), specifically designed to evaluate the performance of…

Computer Vision and Pattern Recognition · Computer Science 2023-07-26 Lala Shakti Swarup Ray , Bo Zhou , Sungho Suh , Paul Lukowicz

Data-driven methods have become increasingly more prominent for musculoskeletal modelling due to their conceptually intuitive simple and fast implementation. However, the performance of a pre-trained data-driven model using the data from…

Signal Processing · Electrical Eng. & Systems 2022-11-23 Jie Zhang , Yihui Zhao , Tianzhe Bao , Zhenhong Li , Kun Qian , Alejandro F. Frangi , Sheng Quan Xie , Zhi-Qiang Zhang

Inertial motion capture is a promising approach for capturing motion outside the laboratory. However, as one major drawback, most of the current methods require different quantities to be calibrated or computed offline as part of the setup…

Robotics · Computer Science 2025-09-17 Michael Lorenz , Bertram Taetz , Gabriele Bleser-Taetz , Didier Stricker

Fetal magnetic resonance imaging (MRI) is challenged by uncontrollable, large, and irregular fetal movements. It is, therefore, performed through visual monitoring of fetal motion and repeated acquisitions to ensure diagnostic-quality…

Image and Video Processing · Electrical Eng. & Systems 2020-06-09 Ayush Singh , Seyed Sadegh Mohseni Salehi , Ali Gholipour

The embodied learning of human motor control requires whole-body neuro-actuated musculoskeletal dynamics, while the internal muscle-driven processes underlying movement remain inaccessible to direct measurement. Computational modeling…

Robotics · Computer Science 2026-04-01 Yunyue Wei , Chenhui Zuo , Shanning Zhuang , Haixin Gong , Yaming Liu , Yanan Sui

The use of exoskeleton robots is increasing due to the rising number of musculoskeletal injuries. However, their effectiveness depends heavily on the design of control systems. Designing robust controllers is challenging because of…

Robotics · Computer Science 2025-09-29 Alireza Aliyari , Gholamreza Vossoughi

Marker-based motion capture (MoCap) systems have long been the gold standard for accurate 4D human modeling, yet their reliance on specialized hardware and markers limits scalability and real-world deployment. Advancing reliable markerless…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Yeeun Park , Miqdad Naduthodi , Suryansh Kumar

Electromyography (EMG) signals are obtained from muscle cell activity. The recording and analysis of EMG signals has several applications. The EMG is of diagnostic importance for treating patients suffering from neurological and…

Systems and Control · Electrical Eng. & Systems 2025-09-18 Vinay C K , Vikas Vazhayil , Madhav rao

Real-time lower limb movement resistance monitoring is critical for various applications in clinical and sports settings, such as rehabilitation and athletic training. Current methods often face limitations in accuracy, computational…

Signal Processing · Electrical Eng. & Systems 2024-10-29 Buren Batu , Yuanmeng Liu , Tianyi Lyu

To validate a clinically accessible approach for quantifying the Upper Extremity Reachable Workspace (UERW) using a single (monocular) camera and Artificial Intelligence (AI)-driven Markerless Motion Capture (MMC) for biomechanical…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Seth Donahue , J. D. Peiffer , R. Tyler Richardson , Yishan Zhong , Shaun Q. Y. Tan , Benoit Marteau , Stephanie R. Russo , May D. Wang , R. James Cotton , Ross Chafetz

In this research, we present an innovative method known as a physics-informed neural network (PINN) model to predict multi-joint kinematics using electromyography (EMG) signals recorded from the muscles surrounding these joints across…

Signal Processing · Electrical Eng. & Systems 2023-12-18 Rajnish Kumar , Suriya Prakash Muthukrishnan , Lalan Kumar , Sitikantha Roy