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Objective: In this work the potential of non-invasive detection of knee osteoarthritis is investigated using the sounds generated by the knee joint during walking. Methods: The information contained in the time-frequency domain of these…

音频与语音处理 · 电气工程与系统科学 2020-04-28 Costas Yiallourides , Patrick A. Naylor

Knee osteoporosis weakens the bone tissue in the knee joint, increasing fracture risk. Early detection through X-ray images enables timely intervention and improved patient outcomes. While some researchers have focused on diagnosing knee…

图像与视频处理 · 电气工程与系统科学 2024-12-13 Ayesha Siddiqua , Rakibul Hasan , Anichur Rahman , Abu Saleh Musa Miah

Knee osteoarthritis (OA) is a major cause of disability worldwide and is still largely assessed using subjective radiographic grading, most commonly the Kellgren-Lawrence (KL) scale. Artificial intelligence (AI) and radiomics offer…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Abbas Alzubaidi , Ali Al-Bayaty

Limited DXA access hinders osteoporosis screening. This proof-of-concept study proposes using widely available knee X-rays for opportunistic Bone Mineral Density (BMD) estimation via deep learning, emphasizing robust uncertainty…

计算机视觉与模式识别 · 计算机科学 2025-05-29 Long Hui , Wai Lok Yeung

Knee Osteoarthritis (KOA) is a highly prevalent chronic musculoskeletal condition with no currently available treatment. The manifestation of KOA is heterogeneous and prediction of its progression is challenging. Current literature suggests…

图像与视频处理 · 电气工程与系统科学 2023-07-04 Egor Panfilov , Simo Saarakkala , Miika T. Nieminen , Aleksei Tiulpin

In this study, we propose a novel framework that utilizes deep learning (DL) and attention mechanisms to predict the radiographic progression of patellofemoral osteoarthritis (PFOA) over a period of seven years. This study included subjects…

图像与视频处理 · 电气工程与系统科学 2023-08-08 Neslihan Bayramoglu , Martin Englund , Ida K. Haugen , Muneaki Ishijima , Simo Saarakkala

Purpose: The aim of this study was to demonstrate the utility of unsupervised domain adaptation (UDA) in automated knee osteoarthritis (OA) phenotype classification using a small dataset (n=50). Materials and Methods: For this retrospective…

图像与视频处理 · 电气工程与系统科学 2023-10-31 Junru Zhong , Yongcheng Yao , Donal G. Cahill , Fan Xiao , Siyue Li , Jack Lee , Kevin Ki-Wai Ho , Michael Tim-Yun Ong , James F. Griffith , Weitian Chen

Background: MR-based subchondral bone effectively predicts knee osteoarthritis. However, its clinical application is limited by the cost and time of MR. Purpose: We aim to develop a novel distillation-learning-based method named SRRD for…

图像与视频处理 · 电气工程与系统科学 2023-07-12 Yuqi Hu , Xiangyu Zhao , Gaowei Qing , Kai Xie , Chenglei Liu , Lichi Zhang

Purpose: Trochlear Dysplasia (TD) is a common malformation in adolescents, leading to anterior knee pain and instability. Surgical interventions such as trochleoplasty require precise planning to correct the trochlear groove. However, no…

图像与视频处理 · 电气工程与系统科学 2024-12-16 Michael Wehrli , Alicia Durrer , Paul Friedrich , Volodimir Buchakchiyskiy , Marcus Mumme , Edwin Li , Gyozo Lehoczky , Carol C. Hasler , Philippe C. Cattin

We report a new computational model for simulations of electromagnetic interactions with semiconductor quantum well(s) (SQW) in complex electromagnetic geometries using the finite difference time domain (FDTD) method. The presented model is…

光学 · 物理学 2015-03-20 Koustuban Ravi , Qian Wang , Seng-Tiong Ho

Diagnosing knee osteoarthritis (OA) early is crucial for managing symptoms and preventing further joint damage, ultimately improving patient outcomes and quality of life. In this paper, a bioimpedance-based diagnostic tool that combines…

信号处理 · 电气工程与系统科学 2025-05-06 Jamal Al-Nabulsi , Mohammad Al-Sayed Ahmad , Baraa Hasaneiah , Fayhaa AlZoubi

Knee Osteoarthritis (KOA) is the third most prevalent Musculoskeletal Disorder (MSD) after neck and back pain. To monitor such a severe MSD, a segmentation map of the femur, tibia and tibiofemoral cartilage is usually accessed using the…

图像与视频处理 · 电气工程与系统科学 2024-01-24 Akshay Daydar , Alik Pramanick , Arijit Sur , Subramani Kanagaraj

\textit{Objective:} Diagnosing pain in research and clinical practices still relies on self-report. This study aims to develop an automatic approach that works on resting-state raw EEG data for chronic knee pain prediction. \textit{Method:}…

机器学习 · 计算机科学 2024-12-13 Jean Li , Dirk De Ridder , Divya Adhia , Matthew Hall , Jeremiah D. Deng

Automated knee cartilage segmentation using point-of-care ultrasound devices and deep-learning networks has the potential to enhance the management of knee osteoarthritis. However, segmentation algorithms often struggle with domain shifts…

图像与视频处理 · 电气工程与系统科学 2025-03-24 Alvin Kimbowa , Arjun Parmar , Maziar Badii , David Liu , Matthew Harkey , Ilker Hacihaliloglu

Two-dimensional (2D) fast spin echo (FSE) techniques play a central role in the clinical magnetic resonance imaging (MRI) of knee joints. Moreover, three-dimensional (3D) FSE provides high-isotropic-resolution magnetic resonance (MR) images…

图像与视频处理 · 电气工程与系统科学 2022-12-15 Shutian Zhao , Donal G. Cahill , Siyue Li , Fan Xiao , Thierry Blu , James F Griffith , Weitian Chen

A neural network is essentially a high-dimensional complex mapping model by adjusting network weights for feature fitting. However, the spectral bias in network training leads to unbearable training epochs for fitting the high-frequency…

信号处理 · 电气工程与系统科学 2021-06-22 Zhi Zeng , Pengpeng Shi , Fulei Ma , Peihan Qi

A novel dynamic mode decomposition (DMD) method based on a Kalman filter is proposed. This paper explains the fast algorithm of the proposed Kalman filter DMD (KFDMD) in combination with truncated proper orthogonal decomposition for…

流体动力学 · 物理学 2018-11-09 Taku Nonomura , Hisaichi Shibata , Ryoji Takaki

The purpose of this work is to test the ability of a new class of passive electromagnetic device to increase the penetration depth of phased arrays of surface coils for magnetic resonance (MR) imaging systems. This new device is based on…

医学物理 · 物理学 2009-07-17 Manuel J. Freire , Ricardo Marques , Lukas Jelinek , Eduardo Gil , Francisco Moya

A parallel dispersive finite-difference time-domain (FDTD) method for the modeling of three-dimensional (3-D) electromagnetic cloaking structures is presented in this paper. The permittivity and permeability of the cloak are mapped to the…

计算物理 · 物理学 2015-05-13 Yan Zhao , Yang Hao

In MR fingerprinting (MRF) reconstruction, measured data is pattern-matched to simulated signals to extract quantitative tissue parameters. A critical drawback to this approach is the exponentially increasing compute time for mapping of…

医学物理 · 物理学 2024-07-17 Victoria Y. Yu , Kathryn R. Tringale , Ricardo Otazo , Ouri Cohen
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