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Osteoporosis is a common skeletal disease that seriously affects patients' quality of life. Traditional osteoporosis diagnosis methods are expensive and complex. The semi-supervised model based on diffusion model and class threshold…

图像与视频处理 · 电气工程与系统科学 2024-03-12 Wenchi Ke

Musculoskeletal disorders represent a leading cause of global disability, creating an urgent demand for precise interpretation of medical imaging. Current artificial intelligence (AI) approaches in orthopedics predominantly rely on…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Kang Yu , Dingyu Wang , Zimu Yuan , Nan Zhou , Jiajun Liu , Jiaxin Liu , Shanggui Liu , Yaoyan Zheng , Huishu Yuan , Di Huang , Dong Jiang

Intra-operative automatic semantic segmentation of knee joint structures can assist surgeons during knee arthroscopy in terms of situational awareness. However, due to poor imaging conditions (e.g., low texture, overexposure, etc.),…

图像与视频处理 · 电气工程与系统科学 2020-07-08 Fengbei Liu , Yaqub Jonmohamadi , Gabriel Maicas , Ajay K. Pandey , Gustavo Carneiro

Detecting anomalies in musculoskeletal radiographs is of paramount importance for large-scale screening in the radiology workflow. Supervised deep networks take for granted a large number of annotations by radiologists, which is often…

计算机视觉与模式识别 · 计算机科学 2021-02-23 Antoine Spahr , Behzad Bozorgtabar , Jean-Philippe Thiran

Anomaly detection plays a crucial role in various real-world applications, including healthcare and finance systems. Owing to the limited number of anomaly labels in these complex systems, unsupervised anomaly detection methods have…

机器学习 · 计算机科学 2023-10-10 Zongyuan Huang , Baohua Zhang , Guoqiang Hu , Longyuan Li , Yanyan Xu , Yaohui Jin

To develop a domain-agnostic, semi-supervised anomaly detection framework that integrates deep reinforcement learning (DRL) to address challenges such as large-scale data, overfitting, and class imbalance, focusing on brain MRI volumes.…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Zeduo Zhang , Yalda Mohsenzadeh

Traditional deep learning models often lack annotated data, especially in cross-domain applications such as anomaly detection, which is critical for early disease diagnosis in medicine and defect detection in industry. To address this…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Wahyu Rahmaniar , Kenji Suzuki

Semi-supervised methods of anomaly detection have seen substantial advancement in recent years. Of particular interest are applications of such methods to diverse, real-world anomaly detection problems where anomalous variations can vary…

计算机视觉与模式识别 · 计算机科学 2021-04-29 Jack W. Barker , Toby P. Breckon

Organs-at-risk (OAR) delineation in computed tomography (CT) is an important step in Radiation Therapy (RT) planning. Recently, deep learning based methods for OAR delineation have been proposed and applied in clinical practice for separate…

图像与视频处理 · 电气工程与系统科学 2020-01-14 Shanlin Sun , Yang Liu , Narisu Bai , Hao Tang , Xuming Chen , Qian Huang , Yong Liu , Xiaohui Xie

Deep learning (DL) algorithms can be used to automate paranasal anomaly detection from Magnetic Resonance Imaging (MRI). However, previous works relied on supervised learning techniques to distinguish between normal and abnormal samples.…

Menisci are cartilaginous tissue found within the knee that contribute to joint lubrication and weight dispersal. Damage to menisci can lead to onset and progression of knee osteoarthritis (OA), a condition that is a leading cause of…

图像与视频处理 · 电气工程与系统科学 2025-04-25 Oliver Mills , Philip Conaghan , Nishant Ravikumar , Samuel Relton

The availability of large scale data with high quality ground truth labels is a challenge when developing supervised machine learning solutions for healthcare domain. Although, the amount of digital data in clinical workflows is increasing,…

图像与视频处理 · 电气工程与系统科学 2022-08-31 Sara Atito , Syed Muhammad Anwar , Muhammad Awais , Josef Kitler

Psoriasis (PsO) severity scoring is important for clinical trials but is hindered by inter-rater variability and the burden of in person clinical evaluation. Remote imaging using patient captured mobile photos offers scalability but…

This paper investigates a class of stochastic bilevel optimization problems where the upper-level function is nonconvex with potentially unbounded smoothness and the lower-level problem is strongly convex. These problems have significant…

机器学习 · 计算机科学 2025-01-16 Xiaochuan Gong , Jie Hao , Mingrui Liu

Explainable artificial intelligence (AI) techniques are increasingly being explored to provide insights into why AI and machine learning (ML) models provide a certain outcome in various applications. However, there has been limited…

机器学习 · 计算机科学 2023-05-10 Min Hun Lee , Yi Jing Choy

Knee Osteoarthritis (KOA) is the third most prevalent Musculoskeletal Disorder (MSD) after neck and back pain. To monitor such a severe MSD, a segmentation map of the femur, tibia and tibiofemoral cartilage is usually accessed using the…

图像与视频处理 · 电气工程与系统科学 2024-01-24 Akshay Daydar , Alik Pramanick , Arijit Sur , Subramani Kanagaraj

Knee pain is undoubtedly the most common musculoskeletal symptom that impairs quality of life, confines mobility and functionality across all ages. Knee pain is clinically evaluated by routine radiographs, where the widespread adoption of…

图像与视频处理 · 电气工程与系统科学 2022-02-14 Shi Yan , Taghi Ramazanian , Elham Sagheb , Walter K. Kremers , Vipin Chaudhary , Michael Taunton , Hilal Maradit Kremers , Ahmad P. Tafti

Accurate physical activity level (PAL) classification could be beneficial for osteoarthritis (OA) management. This study examines the impact of sensor placement and deep learning models on AL classification using the Metabolic Equivalent of…

信号处理 · 电气工程与系统科学 2025-02-21 Bo Cui , Xiaowen Song , Tabak Monique , Bert-Jan van Beijnum , Ying Wang

Optical coherence tomography (OCT) is a non-invasive 3D modality widely used in ophthalmology for imaging the retina. Achieving automated, anatomically coherent retinal layer segmentation on OCT is important for the detection and monitoring…

图像与视频处理 · 电气工程与系统科学 2022-10-26 Botond Fazekas , Guilherme Aresta , Dmitrii Lachinov , Sophie Riedl , Julia Mai , Ursula Schmidt-Erfurth , Hrvoje Bogunovic

Stochastic Gradient (SG) is the defacto iterative technique to solve stochastic optimization (SO) problems with a smooth (non-convex) objective $f$ and a stochastic first-order oracle. SG's attractiveness is due in part to its simplicity of…

最优化与控制 · 数学 2024-03-08 David Newton , Raghu Bollapragada , Raghu Pasupathy , Nung Kwan Yip