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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…

Image and Video Processing · Electrical Eng. & Systems 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

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

The deep learning technique has been shown to be effectively addressed several image analysis tasks in the computer-aided diagnosis scheme for mammography. The training of an efficacious deep learning model requires large data with diverse…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Zheren Li , Zhiming Cui , Lichi Zhang , Sheng Wang , Chenjin Lei , Xi Ouyang , Dongdong Chen , Xiangyu Zhao , Yajia Gu , Zaiyi Liu , Chunling Liu , Dinggang Shen , Jie-Zhi Cheng

Learning invariant representations via contrastive learning has seen state-of-the-art performance in domain generalization (DG). Despite such success, in this paper, we find that its core learning strategy -- feature alignment -- could…

Computer Vision and Pattern Recognition · Computer Science 2023-10-17 Yibing Liu , Chris Xing Tian , Haoliang Li , Shiqi Wang

Scanner drift is a well-known magnetic resonance imaging (MRI) artifact characterized by gradual signal degradation and scan intensity changes over time. In addition, hardware and software updates may imply abrupt changes in signal. The…

Computer Vision and Pattern Recognition · Computer Science 2017-12-25 Erik B Dam

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

Osteoarthritis (OA) is the most prevalent chronic joint disease worldwide, where knee OA takes more than 80% of commonly affected joints. Knee OA is not a curable disease yet, and it affects large columns of patients, making it costly to…

Artificial Intelligence · Computer Science 2022-12-23 Soheyla Amirian , Husam Ghazaleh , Mehdi Assefi , Hilal Maradit Kremers , Hamid R. Arabnia , Johannes F. Plate , Ahmad P. Tafti

The domain shift between training and testing data presents a significant challenge for training generalizable deep learning models. As a consequence, the performance of models trained with the independent and identically distributed…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Aleksandr Matsun , Dana O. Mohamed , Sharon Chokuwa , Muhammad Ridzuan , Mohammad Yaqub

Knee osteoarthritis (KOA) diagnosis from radiographs remains challenging due to the subtle morphological details that standard deep learning models struggle to capture effectively. We propose a novel multimodal framework that combines…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Marouane Tliba , Mohamed Amine Kerkouri , Yassine Nasser , Nour Aburaed , Aladine Chetouani , Ulas Bagci , Rachid Jennane

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…

Image and Video Processing · Electrical Eng. & Systems 2024-12-13 Ayesha Siddiqua , Rakibul Hasan , Anichur Rahman , Abu Saleh Musa Miah

Brain imaging classification is commonly approached from two perspectives: modeling the full image volume to capture global anatomical context, or constructing ROI-based graphs to encode localized and topological interactions. Although both…

Computer Vision and Pattern Recognition · Computer Science 2026-03-12 Wei Liang , Lifang He

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 the most common osteoarthritis and a leading cause of disability. Cartilage defects are regarded as major manifestations of knee OA, which are visible by magnetic resonance imaging (MRI). Thus early detection and…

Image and Video Processing · Electrical Eng. & Systems 2022-01-13 Zixu Zhuang , Liping Si , Sheng Wang , Kai Xuan , Xi Ouyang , Yiqiang Zhan , Zhong Xue , Lichi Zhang , Dinggang Shen , Weiwu Yao , Qian Wang

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…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Long Hui , Wai Lok Yeung

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

The domain generalization problem has been widely investigated in deep learning for non-contrast imaging over the last years, but it received limited attention for contrast-enhanced imaging. However, there are marked differences in contrast…

We present a fully automated learning-based approach for segmenting knee cartilage in the presence of osteoarthritis (OA). The algorithm employs a hierarchical set of two random forest classifiers. The first is a neighborhood approximation…

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

Lesion detection is a fundamental problem in the computer-aided diagnosis scheme for mammography. The advance of deep learning techniques have made a remarkable progress for this task, provided that the training data are large and…

Image and Video Processing · Electrical Eng. & Systems 2021-11-23 Zheren Li , Zhiming Cui , Sheng Wang , Yuji Qi , Xi Ouyang , Qitian Chen , Yuezhi Yang , Zhong Xue , Dinggang Shen , Jie-Zhi Cheng

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…

Distribution shifts are problems where the distribution of data changes between training and testing, which can significantly degrade the performance of a model deployed in the real world. Recent studies suggest that one reason for the…

Machine Learning · Computer Science 2023-04-10 Takuro Kutsuna