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Related papers: Rethinking Knee Osteoarthritis Severity Grading: A…

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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

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

This paper proposes a new approach to automatically quantify the severity of knee osteoarthritis (OA) from radiographs using deep convolutional neural networks (CNN). Clinically, knee OA severity is assessed using Kellgren \& Lawrence (KL)…

Computer Vision and Pattern Recognition · Computer Science 2016-09-09 Joseph Antony , Kevin McGuinness , Noel E O Connor , Kieran Moran

Knee Osteoarthritis (KOA) is a musculoskeletal condition that can cause significant limitations and impairments in daily activities, especially among older individuals. To evaluate the severity of KOA, typically, X-ray images of the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Adarsh Gupta , Japleen Kaur , Tanvi Doshi , Teena Sharma , Nishchal K. Verma , Shantaram Vasikarla

Knee osteoarthritis (KOA) is among the musculoskeletal disorders that considerably restrict joint mobility, cause severe chronic pain and impact negatively on quality life. It is one of the persistent health issues worldwide. Generally,…

Artificial Intelligence · Computer Science 2026-05-08 Dayam Nadeem , Neha , Safdar Mustafa , Adnan Alvi , Mohd Hussain

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

Knee Osteoarthritis (OA) is a destructive joint disease identified by joint stiffness, pain, and functional disability concerning millions of lives across the globe. It is generally assessed by evaluating physical symptoms, medical history,…

Image and Video Processing · Electrical Eng. & Systems 2024-10-28 Rohit Kumar Jain , Prasen Kumar Sharma , Sibaji Gaj , Arijit Sur , Palash Ghosh

A fully-automated deep learning algorithm matched performance of radiologists in assessment of knee osteoarthritis severity in radiographs using the Kellgren-Lawrence grading system. To develop an automated deep learning-based algorithm…

Image and Video Processing · Electrical Eng. & Systems 2023-08-15 Albert Swiecicki , Nianyi Li , Jonathan O'Donnell , Nicholas Said , Jichen Yang , Richard C. Mather , William A. Jiranek , Maciej A. Mazurowski

Knee osteoarthritis (OA) is the most common musculoskeletal disorder. OA diagnosis is currently conducted by assessing symptoms and evaluating plain radiographs, but this process suffers from subjectivity. In this study, we present a new…

Computer Vision and Pattern Recognition · Computer Science 2017-10-31 Aleksei Tiulpin , Jérôme Thevenot , Esa Rahtu , Petri Lehenkari , Simo Saarakkala

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…

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

Knee osteoarthritis (OA) assessment involves a natural but often underused label hierarchy: a coarse binary OA decision and a fine-grained Kellgren--Lawrence (KL) severity grade. Existing deep learning studies commonly treat these targets…

Computer Vision and Pattern Recognition · Computer Science 2026-05-04 Tongxu Zhang

Knee osteoarthritis (KOA) is a disease that impairs knee function and causes pain. A radiologist reviews knee X-ray images and grades the severity level of the impairments according to the Kellgren and Lawrence grading scheme; a five-point…

Image and Video Processing · Electrical Eng. & Systems 2019-08-26 Jaynal Abedin , Joseph Antony , Kevin McGuinness , Kieran Moran , Noel E O'Connor , Dietrich Rebholz-Schuhmann , John Newell

Knee osteoarthritis (OA) is a common degenerate joint disorder that affects a large population of elderly people worldwide. Accurate radiographic assessment of knee OA severity plays a critical role in chronic patient management. Current…

Image and Video Processing · Electrical Eng. & Systems 2021-12-20 Kang Zheng , Yirui Wang , Chen-I Hsieh , Le Lu , Jing Xiao , Chang-Fu Kuo , Shun Miao

This chapter presents the investigations and the results of feature learning using convolutional neural networks to automatically assess knee osteoarthritis (OA) severity and the associated clinical and diagnostic features of knee OA from…

Computer Vision and Pattern Recognition · Computer Science 2019-08-26 Joseph Antony , Kevin McGuinness , Kieran Moran , Noel E O' Connor

Knee osteoarthritis (OA) is one of the highest disability factors in the world. This musculoskeletal disorder is assessed from clinical symptoms, and typically confirmed via radiographic assessment. This visual assessment done by a…

Image and Video Processing · Electrical Eng. & Systems 2020-08-13 Huy Hoang Nguyen , Simo Saarakkala , Matthew Blaschko , Aleksei Tiulpin

Knee osteoarthritis (KOA) grading based on radiographic images is a critical yet challenging task due to subtle inter-grade differences, annotation uncertainty, and the inherently ordinal nature of disease progression. Conventional deep…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Xiaoyang Li , Runni Zhou

Osteoarthritis (OA) is the most common musculoskeletal disease, with knee OA (KOA) being one of the leading causes of disability and a significant economic burden. Predicting KOA progression is crucial for improving patient outcomes,…

Machine Learning · Computer Science 2025-04-09 Khanh Nguyen , Huy Hoang Nguyen , Egor Panfilov , Aleksei Tiulpin

Knee osteoarthritis (KOA) is a leading cause of disability worldwide, and accurate severity assessment using the Kellgren Lawrence (KL) grading system is critical for clinical decision making. However, radiographic distinctions between…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Zahid Ullah , Jihie Kim

Radiographic grading of knee osteoarthritis (KOA) with the Kellgren-Lawrence (KL) system is limited by inter-reader variability and the opacity of current deep learning approaches, which predict KL grades directly from images without…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Azmul A. Irfan , Nur Ahmad Khatim , Alfan Alfian Irfan , Achmad Zaki , Erike A. Suwarsono , Mansur M. Arief
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