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Anterior cruciate ligament (ACL) reconstruction necessitates months of rehabilitation, during which a clinician evaluates whether a patient is ready to return to sports or occupation. Due to their time- and cost-intensive nature, these…

Inertial parameters characterise an object's motion under applied forces, and can provide strong priors for planning and control of robotic actions to manipulate the object. However, these parameters are not available a-priori in situations…

Robotics · Computer Science 2019-11-26 Nikos Mavrakis , Rustam Stolkin

In future, robots will be present in everyday life. The development of these supporting robots is a challenge. A fundamental task for assistance robots is to pick up and hand over objects to humans. By interacting with users, soft factors…

Robotics · Computer Science 2018-08-29 Robin Rasch , Sven Wachsmuth , Matthias König

Obstacle crossing is an essential component of human locomotion, particularly for individuals with lower limb amputations who face elevated risks of imbalance and falls. While prior studies have explored this task, they often lack a…

Medical Physics · Physics 2025-09-24 Jingwen Huang , Shucong Yin , Zhaokai Chen , Hanyang Xu , Chenglong Fu

Structure from motion algorithms have an inherent limitation that the reconstruction can only be determined up to the unknown scale factor. Modern mobile devices are equipped with an inertial measurement unit (IMU), which can be used for…

Computer Vision and Pattern Recognition · Computer Science 2017-08-14 Janne Mustaniemi , Juho Kannala , Simo Särkkä , Jiri Matas , Janne Heikkilä

Accurate segmentation of connective soft tissues is still a challenging task, which hinders the generation of corresponding geometric models for biomechanical computations. Alternatively, one could predict ligament insertion sites and then…

Muscle forces and joint kinematics estimated with musculoskeletal (MSK) modeling techniques offer useful metrics describing movement quality. Model-based computational MSK models can interpret the dynamic interaction between the neural…

Machine Learning · Computer Science 2023-09-13 Yue Shi , Shuhao Ma , Yihui Zhao

The paper proposes a novel calibration approach for the Orthoglide-type mechanisms based on observations of the manipulator leg parallelism during mo-tions between the prespecified test postures. It employs a low-cost measuring system…

Robotics · Computer Science 2007-11-13 Anatoly Pashkevich , Damien Chablat , Philippe Wenger

This paper investigates deteriorations in knee and ankle dynamics during running. Changes in lower limb accelerations are analyzed by a wearable musculo-skeletal monitoring system. The system employs a machine learning technique to classify…

Signal Processing · Electrical Eng. & Systems 2025-01-24 Garry A. Einicke , Haider A. Sabti , David V. Thiel , Marta Fernandez

In this paper, we propose a method for online estimation of the robot's posture. Our method uses von Mises and Bingham distributions as probability distributions of joint angles and 3D orientation, which are used in directional statistics.…

Robotics · Computer Science 2024-10-28 Hiroya Sato , Kento Kawaharazuka , Tasuku Makabe , Kei Okada , Masayuki Inaba

Human impedance parameters play an integral role in the dynamics of strength amplification exoskeletons. Many methods are used to estimate the stiffness of human muscles, but few are used to improve the performance of strength amplification…

Systems and Control · Electrical Eng. & Systems 2020-08-04 Huang Huang , Henry F. Cappel , Gray C. Thomas , Binghan He , Luis Sentis

This work presents an algorithm for determining the parameters of a nonlinear dynamic model of the respiratory system in patients undergoing assisted ventilation. Using the pressure and flow signals measured at the mouth, the model's…

Systems and Control · Electrical Eng. & Systems 2024-03-01 Diego A. Riva , Carolina A. Evangelista , Paul F. Puleston , Luis Corsiglia , Nahuel Dargains

Numerous sleep disorders are characterised by movement during sleep, these include rapid-eye movement sleep behaviour disorder (RBD) and periodic limb movement disorder. The process of diagnosing movement related sleep disorders requires…

Quantitative Methods · Quantitative Biology 2023-02-16 Navin Cooray , Zhenglin Li , Jinzhuo Wang , Christine Lo , Mahnaz Arvaneh , Mkael Symmonds , Michele Hu , Maarten De Vos , Lyudmila S Mihaylova

Recent progress on action recognition has mainly focused on RGB and optical flow features. In this paper, we approach the problem of joint-based action recognition. Unlike other modalities, constellation of joints and their motion generate…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Anshul Shah , Shlok Mishra , Ankan Bansal , Jun-Cheng Chen , Rama Chellappa , Abhinav Shrivastava

We propose a method to match anatomical locations between pairs of medical images in longitudinal comparisons. The matching is made possible by computing a descriptor of the query point in a source image based on a hierarchical sparse…

Image and Video Processing · Electrical Eng. & Systems 2023-09-26 Halid Ziya Yerebakan , Yoshihisa Shinagawa , Mahesh Ranganath , Simon Allen-Raffl , Gerardo Hermosillo Valadez

We use topological data analysis as a tool to analyze the fit of mathematical models to experimental data. This study is built on data obtained from motion tracking groups of aphids in [Nilsen et al., PLOS One, 2013] and two random walk…

Quantitative Methods · Quantitative Biology 2018-11-13 M. Ulmer , Lori Ziegelmeier , Chad M. Topaz

In this paper, we propose a new single shot method for multi-person 3D human pose estimation in complex images. The model jointly learns to locate the human joints in the image, to estimate their 3D coordinates and to group these…

Computer Vision and Pattern Recognition · Computer Science 2021-01-08 Abdallah Benzine , Bertrand Luvison , Quoc Cuong Pham , Catherine Achard

We propose to estimate 3D human pose from multi-view images and a few IMUs attached at person's limbs. It operates by firstly detecting 2D poses from the two signals, and then lifting them to the 3D space. We present a geometric approach to…

Computer Vision and Pattern Recognition · Computer Science 2020-04-13 Zhe Zhang , Chunyu Wang , Wenhu Qin , Wenjun Zeng

Incorporating temporal information effectively is important for accurate 3D human motion estimation and generation which have wide applications from human-computer interaction to AR/VR. In this paper, we present MoManifold, a novel human…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Ziqiang Dang , Tianxing Fan , Boming Zhao , Xujie Shen , Lei Wang , Guofeng Zhang , Zhaopeng Cui

In this paper, we propose a structured feature learning framework to reason the correlations among body joints at the feature level in human pose estimation. Different from existing approaches of modelling structures on score maps or…

Computer Vision and Pattern Recognition · Computer Science 2016-03-31 Xiao Chu , Wanli Ouyang , Hongsheng Li , Xiaogang Wang
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