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By learning human motion priors, motion capture can be achieved by 6 inertial measurement units (IMUs) in recent years with the development of deep learning techniques, even though the sensor inputs are sparse and noisy. However, human…

图形学 · 计算机科学 2025-05-09 Xinyu Yi , Shaohua Pan , Feng Xu

Human motion analysis is used in many different fields and applications. Currently, existing systems either focus on one single limb or one single class of movements. Many proposed systems are designed to be used in an indoor controlled…

Visual-inertial sensors have a wide range of applications in robotics. However, good performance often requires different sophisticated motion routines to accurately calibrate camera intrinsics and inter-sensor extrinsics. This work…

机器人学 · 计算机科学 2021-10-01 Yunke Ao , Le Chen , Florian Tschopp , Michel Breyer , Andrei Cramariuc , Roland Siegwart

This paper presents a new method for jointly calibrating a magnetometer and inertial measurement unit (IMU), focusing on balancing calibration accuracy and computational efficiency. The proposed method is based on a maximum a posteriori…

机器人学 · 计算机科学 2026-04-22 Chuan Huang , Gustaf Hendeby , Isaac Skog

Inertial-aided systems require continuous motion excitation among other reasons to characterize the measurement biases that will enable accurate integration required for localization frameworks. This paper proposes the use of informative…

机器人学 · 计算机科学 2022-09-13 Mitchell Usayiwevu , Fouad Sukkar , Chanyeol Yoo , Robert Fitch , Teresa Vidal-Calleja

Introduction: Wrist instability remains a common health concern. The potential of dynamic Magnetic Resonance Imaging (MRI) in assessing carpal dynamics associated with this condition is a field of ongoing research. This study contributes to…

医学物理 · 物理学 2023-05-29 Azadeh Sharafi , Andrew S Nencka , Kevin M Koch

Most deep learning models of multiclass arrhythmia classification are tested on fingertip photoplethysmographic (PPG) data, which has higher signal-to-noise ratios compared to smartwatch-derived PPG, and the best reported sensitivity value…

Hypertrophic Cardiomyopathy (HCM) is a genetic heart disease affecting approximately 1 in 500 people and is the leading cause of sudden cardiac death in young athletes. Current diagnostic methods -- cardiovascular magnetic resonance (CMR),…

图像与视频处理 · 电气工程与系统科学 2026-04-15 Jiachen Li , Hanyu Zhu , Edward Kim , Shihao Li , Katherine Cavanaugh , Arpan Patel , Sovik De Sirkar , Mauricio Hong , Wei Li , Dongmei Chen

Cardiovascular disease (CVD) is a leading cause of death globally, necessitating precise forecasting models for monitoring vital signs like heart rate, blood pressure, and ECG. Traditional models, such as ARIMA and Prophet, are limited by…

机器学习 · 计算机科学 2024-11-13 Haowei Ni , Shuchen Meng , Xieming Geng , Panfeng Li , Zhuoying Li , Xupeng Chen , Xiaotong Wang , Shiyao Zhang

Recent studies showed that Photoplethysmography (PPG) sensors embedded in wearable devices can estimate heart rate (HR) with high accuracy. However, despite of prior research efforts, applying PPG sensor based HR estimation to embedded…

机器学习 · 计算机科学 2023-03-27 Yuntong Zhang , Jingye Xu , Mimi Xie , Wei Wang , Keying Ye , Jing Wang , Dakai Zhu

A sensor-fused wearable assistance prototype for upper-limb function (triceps brachii and extensor pollicis brevis) is presented. The device integrates surface electromyography (sEMG), an inertial measurement unit (IMU), and flex/force…

神经元与认知 · 定量生物学 2025-10-24 Aueaphum Aueawattthanaphisut , Thanyanee Srichaisak , Arissa Ieochai

Parkinson's disease (PD) is a neurodegenerative condition characterized by frequently changing motor symptoms, necessitating continuous symptom monitoring for more targeted treatment. Classical time series classification and deep learning…

机器学习 · 计算机科学 2025-06-03 Cedric Donié , Neha Das , Satoshi Endo , Sandra Hirche

In this paper, we consider the intensity-based inversion method (IIM) for quantitative material parameter estimation in quasi-static elastography. In particular, we consider the problem of estimating the material parameters of a given…

数值分析 · 数学 2026-01-19 Ekaterina Sherina , Simon Hubmer

Background: Quantitative stress perfusion cardiovascular magnetic resonance (CMR) is a powerful tool for assessing myocardial ischemia. Motion correction is essential for accurate pixel-wise mapping but traditional registration-based…

计算机视觉与模式识别 · 计算机科学 2025-10-02 Noortje I. P. Schueler , Nathan C. K. Wong , Richard J. Crawley , Josien P. W. Pluim , Amedeo Chiribiri , Cian M. Scannell

Wearable technologies have the potential to transform ambulatory and at-home hemodynamic monitoring by providing continuous assessments of cardiovascular health metrics and guiding clinical management. However, existing cuffless wearable…

This study explores the potential of using wrist-worn inertial sensors to automate the labeling of ARAT (Action Research Arm Test) items. While the ARAT is commonly used to assess upper limb motor function, its limitations include…

This paper presents a novel end-to-end deep learning framework for real-time inertial attitude estimation using 6DoF IMU measurements. Inertial Measurement Units are widely used in various applications, including engineering and medical…

机器人学 · 计算机科学 2023-05-23 Arman Asgharpoor Golroudbari , Mohammad Hossein Sabour

Cardiovascular disease (CVDs) is one of the universal deadly diseases, and the detection of it in the early stage is a challenging task to tackle. Recently, deep learning and convolutional neural networks have been employed widely for the…

信号处理 · 电气工程与系统科学 2022-03-01 Hanshi Sun , Ao Wang , Ninghao Pu , Zhiqing Li , Junguang Huang , Hao Liu , Zhi Qi

The human ear offers a unique opportunity for cardiac monitoring due to its physiological and practical advantages. However, existing earable solutions require additional hardware and complex processing, posing challenges for commercial…

人机交互 · 计算机科学 2025-01-14 Yongjian Fu , Ke Sun , Ruyao Wang , Xinyi Li , Ju Ren , Yaoxue Zhang , Xinyu Zhang

The identification of intentionally delivered commands is a challenge in Brain Computer Interfaces (BCIs) based on Sensory-Motor Rhythms (SMR). It is of fundamental importance that BCI systems controlling a robotic device (i.e., upper limb…

人机交互 · 计算机科学 2019-05-27 Tortora Stefano , Beraldo Gloria , Tonin Luca , Menegatti Emanuele