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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…

Purpose: To organize a knee MRI segmentation challenge for characterizing the semantic and clinical efficacy of automatic segmentation methods relevant for monitoring osteoarthritis progression. Methods: A dataset partition consisting of 3D…

In the current study, our purpose is to evaluate the feasibility of applying deep learning (DL) enabled algorithms to quantify bilateral knee biomarkers in healthy controls scanned at 0.55T and compared with 3.0T. The current study assesses…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Rupsa Bhattacharjee , Zehra Akkaya , Johanna Luitjens , Pan Su , Yang Yang , Valentina Pedoia , Sharmila Majumdar

Joint damage in Rheumatoid Arthritis (RA) is assessed by manually inspecting and grading radiographs of hands and feet. This is a tedious task which requires trained experts whose subjective assessment leads to low inter-rater agreement. An…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Neelambuj Chaturvedi

Three-dimensional medical imaging enables detailed understanding of osteoarthritis structural status. However, there remains a vast need for automatic, thus, reader-independent measures that provide reliable assessment of subject-specific…

计算机视觉与模式识别 · 计算机科学 2021-04-05 Felix Ambellan , Stefan Zachow , Christoph von Tycowicz

Knee osteoarthritis (KOA) is a prevalent musculoskeletal disorder, often diagnosed using X-rays due to its cost-effectiveness. While Magnetic Resonance Imaging (MRI) provides superior soft tissue visualization and serves as a valuable…

图像与视频处理 · 电气工程与系统科学 2024-12-30 Zhe Wang , Yung Hsin Chen , Aladine Chetouani , Fabian Bauer , Yuhua Ru , Fang Chen , Liping Zhang , Rachid Jennane , Mohamed Jarraya

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…

计算机视觉与模式识别 · 计算机科学 2017-03-29 Jiří Hladůvka , Bui Thi Mai Phuong , Richard Ljuhar , Davul Ljuhar , Ana M Rodrigues , Jaime C Branco , Helena Canhão

In recent years the NHS has been having increased difficulty seeing all low-risk patients, this includes but not limited to suspected osteoarthritis (OA) patients. To help address the increased waiting lists and shortages of staff, we…

计算机视觉与模式识别 · 计算机科学 2023-04-27 Kai Armstrong , Lei Zhang , Yan Wen , Alexander P. Willmott , Paul Lee , Xujioing Ye

Purpose: To propose and evaluate an accelerated $T_{1\rho}$ quantification method that combines $T_{1\rho}$-weighted fast spin echo (FSE) images and proton density (PD)-weighted anatomical FSE images, leveraging deep learning models for…

图像与视频处理 · 电气工程与系统科学 2025-08-06 Junru Zhong , Chaoxing Huang , Ziqiang Yu , Fan Xiao , Siyue Li , Tim-Yun Michael Ong , Ki-Wai Kevin Ho , Queenie Chan , James F. Griffith , Weitian Chen

Background: Osteoporosis and osteopenia are often undiagnosed until fragility fractures occur. Dual-energy X-ray absorptiometry (DXA) is the reference standard for bone mineral density (BMD) assessment, but access remains limited. Knee…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Zhaochen Li , Xinghao Yan , Runni Zhou , Xiaoyang Li , Chenjie Zhu , Gege Wang , Yu Shi , Lixin Zhang , Rongrong Fu , Liehao Yan , Yuan Chai

Degeneration of articular cartilage (AC) is actively studied in knee osteoarthritis (OA) research via magnetic resonance imaging (MRI). Segmentation of AC tissues from MRI data is an essential step in quantification of their damage. Deep…

图像与视频处理 · 电气工程与系统科学 2024-08-07 Egor Panfilov , Aleksei Tiulpin , Stefan Klein , Miika T. Nieminen , Simo Saarakkala

The diagnosis, prognosis, and treatment of patients with musculoskeletal (MSK) disorders require radiology imaging (using computed tomography, magnetic resonance imaging(MRI), and ultrasound) and their precise analysis by expert…

图像与视频处理 · 电气工程与系统科学 2020-03-03 Ismail Irmakci , Syed Muhammad Anwar , Drew A. Torigian , Ulas Bagci

Total knee arthroplasty (TKA) is a commonly performed surgical procedure to mitigate knee pain and improve functions for people with knee arthritis. The procedure is complicated due to the different surgical tools used in the stages of…

计算机视觉与模式识别 · 计算机科学 2018-06-07 Moazzem Hossain , Soichi Nishio , Takafumi Hiranaka , Syoji Kobashi

This work presents a comparative study of existing and new techniques to detect knee injuries by leveraging Stanford's MRNet Dataset. All approaches are based on deep learning and we explore the comparative performances of transfer learning…

图像与视频处理 · 电气工程与系统科学 2020-10-06 David Azcona , Kevin McGuinness , Alan F. Smeaton

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

Image segmentation in total knee arthroplasty is crucial for precise preoperative planning and accurate implant positioning, leading to improved surgical outcomes and patient satisfaction. The biggest challenges of image segmentation in…

图像与视频处理 · 电气工程与系统科学 2024-05-28 Viet Dung Nguyen , Michael T. LaCour , Richard D. Komistek

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…

图像与视频处理 · 电气工程与系统科学 2019-08-14 Chaowei Tan , Zhennan Yan , Shaoting Zhang , Kang Li , Dimitris N. Metaxas

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…

机器学习 · 计算机科学 2024-10-17 M. Rafiei , S. Das , M. Bakhtiari , E. M. Roos , S. T. Skou , D. T. Grønne , J. Baumbach , L. Baumbach

The integrity of articular cartilage is a crucial aspect in the early diagnosis of osteoarthritis (OA). Many novel MRI techniques have the potential to assess compositional changes of the cartilage extracellular matrix. Among these…

计算机视觉与模式识别 · 计算机科学 2019-12-05 Alejandra Duarte , Chaitra V. Hegde , Aakash Kaku , Sreyas Mohan , José G. Raya

Automated Kellgren--Lawrence (KL) grading from knee radiographs is challenging due to subtle structural changes, long-range anatomical dependencies, and ambiguity near grade boundaries. We propose AGE-Net, a ConvNeXt-based framework that…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Xiaoyang Li , Runni Zhou , Xinghao Yan , Liehao Yan , Zhaochen Li , Chenjie Zhu , Rongrong Fu , Yuan Chai