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Related papers: Predicting Knee Osteoarthritis Progression from St…

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Generally, X-ray, as an inexpensive and popular medical imaging technique, is widely chosen by medical practitioners. With the development of medical technology, Magnetic Resonance Imaging (MRI), an advanced medical imaging technique, has…

Image and Video Processing · Electrical Eng. & Systems 2025-03-19 Zhe Wang , Aladine Chetouani , Rachid Jennane

Automated grading of Knee Osteoarthritis (KOA) from radiographs is challenged by significant inter-observer variability and the limited robustness of deep learning models, particularly near critical decision boundaries. To address these…

Image and Video Processing · Electrical Eng. & Systems 2025-06-23 Zhe Wang , Yuhua Ru , Aladine Chetouani , Tina Shiang , Fang Chen , Fabian Bauer , Liping Zhang , Didier Hans , Rachid Jennane , William Ewing Palmer , Mohamed Jarraya , Yung Hsin Chen

Conventional inclusion criteria used in osteoarthritis clinical trials are not very effective in selecting patients who would benefit from a therapy being tested. Typically majority of selected patients show no or limited disease…

The relationship between knee osteoarthritis progression and changes in tibial bone structure has long been recognized and various texture descriptors have been proposed to detect early osteoarthritis (OA) from radiographs. This work aims…

Computer Vision and Pattern Recognition · Computer Science 2017-03-29 Jiří Hladůvka , Bui Thi Mai Phuong , Richard Ljuhar , Davul Ljuhar , Ana M Rodrigues , Jaime C Branco , Helena Canhão

The diagnostic accuracy and subjectivity of existing Knee Osteoarthritis (OA) ordinal grading systems has been a subject of on-going debate and concern. Existing automated solutions are trained to emulate these imperfect systems, whilst…

Machine Learning · Computer Science 2025-05-30 Niamh Belton , Aonghus Lawlor , Kathleen M. Curran

This paper addresses the challenge of localization of anatomical landmarks in knee X-ray images at different stages of osteoarthritis (OA). Landmark localization can be viewed as regression problem, where the landmark position is directly…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Aleksei Tiulpin , Iaroslav Melekhov , Simo Saarakkala

Conventional imaging diagnostics frequently encounter bottlenecks due to manual inspection, which can lead to delays and inconsistencies. Although deep learning offers a pathway to automation and enhanced accuracy, foundational models in…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Aymen Sekhri , Marouane Tliba , Mohamed Amine Kerkouri , Yassine Nasser , Aladine Chetouani , Alessandro Bruno , Rachid Jennane

Introduction: Bone health disorders like osteoarthritis and osteoporosis pose major global health challenges, often leading to delayed diagnoses due to limited diagnostic tools. This study presents an AI-powered system that analyzes knee…

Knee osteoarthritis (OA) is the most common joint disorder and a leading cause of disability. Diagnosing OA severity typically requires expert assessment of X-ray images and is commonly based on the Kellgren-Lawrence grading system, a…

Image and Video Processing · Electrical Eng. & Systems 2024-12-11 Nicharee Srikijkasemwat , Soumya Snigdha Kundu , Fuping Wu , Bartlomiej W. Papiez

Imaging features of knee articular cartilage have been shown to be potential imaging biomarkers for knee osteoarthritis. Despite recent methodological advancements in image analysis techniques like image segmentation, registration, and…

Image and Video Processing · Electrical Eng. & Systems 2024-09-12 Yongcheng Yao , Weitian Chen

Knee osteoarthritis (OA) is one of the most common musculoskeletal disorders and requires early-stage diagnosis. Nowadays, the deep convolutional neural networks have achieved greatly in the computer-aided diagnosis field. However, the…

Image and Video Processing · Electrical Eng. & Systems 2020-10-13 Jiayu Huo , Liping Si , Xi Ouyang , Kai Xuan , Weiwu Yao , Zhong Xue , Qian Wang , Dinggang Shen , Lichi Zhang

Knee osteoarthritis (OA) is a widespread chronic condition that impairs mobility and diminishes quality of life. Despite the proven benefits of exercise therapy and patient education in managing the OA symptoms pain and functional…

Machine Learning · Computer Science 2024-10-17 M. Rafiei , S. Das , M. Bakhtiari , E. M. Roos , S. T. Skou , D. T. Grønne , J. Baumbach , L. Baumbach

Accurate reconstruction of implanted knee models is crucial in orthopedic surgery and biomedical engineering, enhancing preoperative planning, optimizing implant design, and improving surgical outcomes. Traditional methods rely on…

Image and Video Processing · Electrical Eng. & Systems 2024-08-06 Viet-Dung Nguyen , Michael T. LaCour , Richard D. Komistek

Knee osteoarthritis (KOA) affects more than 600 million individuals globally and is associated with significant pain, functional impairment, and disability. While personalized multidisciplinary interventions have the potential to slow…

Artificial Intelligence · Computer Science 2025-11-26 Weizhi Liu , Xi Chen , Zekun Jiang , Liang Zhao , Kunyuan Jiang , Ruisi Tang , Li Wang , Mingke You , Hanyu Zhou , Hongyu Chen , Qiankun Xiong , Yong Nie , Kang Li , Jian Li

Purpose: Inversion recovery prepared ultra-short echo time (IR-UTE)-based MRI enables radiation-free visualization of osseous tissue. However, sufficient signal-to-noise ratio (SNR) can only be obtained with long acquisition times. This…

The purposes of this study were to investigate: 1) the effect of placement of region-of-interest (ROI) for texture analysis of subchondral bone in knee radiographs, and 2) the ability of several texture descriptors to distinguish between…

Image and Video Processing · Electrical Eng. & Systems 2020-05-18 Neslihan Bayramoglu , Aleksei Tiulpin , Jukka Hirvasniemi , Miika T. Nieminen , Simo Saarakkala

The 3D morphology and quantitative assessment of knee articular cartilages (i.e., femoral, tibial, and patellar cartilage) in magnetic resonance (MR) imaging is of great importance for knee radiographic osteoarthritis (OA) diagnostic…

Image and Video Processing · Electrical Eng. & Systems 2019-08-14 Chaowei Tan , Zhennan Yan , Shaoting Zhang , Kang Li , Dimitris N. Metaxas

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…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-28 Costas Yiallourides , Patrick A. Naylor

We present a transductive learning approach for morphometric osteophyte grading based on geometric deep learning. We formulate the grading task as semi-supervised node classification problem on a graph embedded in shape space. To account…

Quantitative Methods · Quantitative Biology 2019-10-15 Christoph von Tycowicz

In Total Knee Replacement Arthroplasty (TKA), surgical robotics can provide image-guided navigation to fit implants with high precision. Its tracking approach highly relies on inserting bone pins into the bones tracked by the optical…

Signal Processing · Electrical Eng. & Systems 2024-03-12 Bangyu Lan , Momen Abayazid , Nico Verdonschot , Stefano Stramigioli , Kenan Niu