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Related papers: Geodesic B-Score for Improved Assessment of Knee O…

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We analytically determine Jacobi fields and parallel transports and compute geodesic regression in Kendall's shape space. Using the derived expressions, we can fully leverage the geometry via Riemannian optimization and thereby reduce the…

Optimization and Control · Mathematics 2020-07-16 Esfandiar Nava-Yazdani , Hans-Christian Hege , T. J. Sullivan , Christoph von Tycowicz

Many phenomena are naturally characterized by measuring continuous transformations such as shape changes in medicine or articulated systems in robotics. Modeling the variability in such datasets requires performing statistics on Lie groups,…

Methodology · Statistics 2025-08-19 Johannes Schade , Christoph von Tycowicz , Martin Hanik

The assessment of knee osteoarthritis (KOA) severity on knee X-rays is a central criteria for the use of total knee arthroplasty. However, this assessment suffers from imprecise standards and a remarkably high inter-reader variability. An…

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…

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…

Signal Processing · Electrical Eng. & Systems 2025-05-06 Jamal Al-Nabulsi , Mohammad Al-Sayed Ahmad , Baraa Hasaneiah , Fayhaa AlZoubi

Accurate prediction of knee osteoarthritis (KOA) progression from structural MRI has a potential to enhance disease understanding and support clinical trials. Prior art focused on manually designed imaging biomarkers, which may not fully…

Image and Video Processing · Electrical Eng. & Systems 2024-08-07 Egor Panfilov , Simo Saarakkala , Miika T. Nieminen , Aleksei Tiulpin

We developed deep learning models for predicting Total Knee Replacement (TKR) need within various time horizons in knee osteoarthritis patients, with a novel capability: the models can perform TKR prediction using a single scan, and…

Image and Video Processing · Electrical Eng. & Systems 2025-03-31 Haresh Rengaraj Rajamohan , Richard Kijowski , Kyunghyun Cho , Cem M. Deniz

Knee osteoarthritis is a degenerative joint disease that induces chronic pain and disability. Bone morphological analysis is a promising tool to understand the mechanical aspect of this disorder. This study proposes a 2D bone morphological…

Image and Video Processing · Electrical Eng. & Systems 2024-03-14 Yun Xin Teoh , Alice Othmani , Siew Li Goh , Juliana Usman , Khin Wee Lai

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…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Abbas Alzubaidi , Ali Al-Bayaty

Knee osteoarthritis (OA) is very common progressive and degenerative musculoskeletal disease worldwide creates a heavy burden on patients with reduced quality of life and also on society due to financial impact. Therefore, any attempt to…

Image and Video Processing · Electrical Eng. & Systems 2020-05-26 Neslihan Bayramoglu , Miika T. Nieminen , Simo Saarakkala

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…

Image and Video Processing · Electrical Eng. & Systems 2023-07-04 Egor Panfilov , Simo Saarakkala , Miika T. Nieminen , Aleksei Tiulpin

A fully automated knee MRI segmentation method to study osteoarthritis (OA) was developed using a novel hierarchical set of random forests (RF) classifiers to learn the appearance of cartilage regions and their boundaries. A neighborhood…

Computer Vision and Pattern Recognition · Computer Science 2019-03-12 Satyananda Kashyap , Honghai Zhang , Karan Rao , Milan Sonka

Knee osteoarthritis (OA) is the most common musculoskeletal disease in the world. In primary healthcare, knee OA is diagnosed using clinical examination and radiographic assessment. Osteoarthritis Research Society International (OARSI)…

Image and Video Processing · Electrical Eng. & Systems 2019-07-19 Aleksei Tiulpin , Simo Saarakkala

Osteoarthritis (OA) is a common musculoskeletal condition typically diagnosed from radiographic assessment after clinical examination. However, a visual evaluation made by a practitioner suffers from subjectivity and is highly dependent on…

Computer Vision and Pattern Recognition · Computer Science 2017-04-07 Aleksei Tiulpin , Jérôme Thevenot , Esa Rahtu , Simo Saarakkala

Knee osteoarthritis (OA) is one of the most widespread and burdensome health problems [1-4]. Total knee replacement (TKR) may be offered as treatment for end-stage knee OA. Nevertheless, TKR is an invasive procedure involving prosthesis…

Image and Video Processing · Electrical Eng. & Systems 2025-11-20 Zhisen Hu , Dominic Cullen , David S. Johnson , Aleksei Tiulpin , Timothy F. Cootes , Claudia Lindner

The severity of knee osteoarthritis is graded using the 5-point Kellgren-Lawrence (KL) scale where healthy knees are assigned grade 0, and the subsequent grades 1-4 represent increasing severity of the affliction. Although several methods…

Image and Video Processing · Electrical Eng. & Systems 2020-04-21 Sudeep Kondal , Viraj Kulkarni , Ashrika Gaikwad , Amit Kharat , Aniruddha Pant

Large longitudinal studies provide lots of valuable information, especially in medical applications. A problem which must be taken care of in order to utilize their full potential is that of correlation between intra-subject measurements…

Methodology · Statistics 2022-02-14 Martin Hanik , Hans-Christian Hege , Christoph von Tycowicz

Osteoarthritis (OA) is one of the major health issues among the elderly population. MRI is the most popular technology to observe and evaluate the progress of OA course. However, the extreme labor cost of MRI analysis makes the process…

Computer Vision and Pattern Recognition · Computer Science 2021-02-17 Boyu Zhang , Yingtao Zhang , H. D. Cheng , Min Xian , Shan Gai , Olivia Cheng , Kuan Huang

Medical imaging plays a crucial role in assessing knee osteoarthritis (OA) risk by enabling early detection and disease monitoring. Recent machine learning methods have improved risk estimation (i.e., predicting the likelihood of disease…

Computer Vision and Pattern Recognition · Computer Science 2025-06-18 David Butler , Adrian Hilton , Gustavo Carneiro

Various deep learning models have been proposed for 3D bone shape reconstruction from two orthogonal (biplanar) X-ray images. However, it is unclear how these models compare against each other since they are evaluated on different anatomy,…

Image and Video Processing · Electrical Eng. & Systems 2023-09-27 Mahesh Shakya , Bishesh Khanal
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