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Knee osteoarthritis (KOA), a common form of arthritis that causes physical disability, has become increasingly prevalent in society. Employing computer-aided techniques to automatically assess the severity and progression of KOA can greatly…

图像与视频处理 · 电气工程与系统科学 2024-08-01 Wenhua Wu , Kun Hu , Wenxi Yue , Wei Li , Milena Simic , Changyang Li , Wei Xiang , Zhiyong Wang

Quantitative computed tomography (QCT) is a standard method to determine bone mineral density (BMD) in the spine. Traditionally single 8 - 10 mm thick slices have been analyzed only. Current spiral CT scanners provide true 3D acquisition…

计算机视觉与模式识别 · 计算机科学 2017-05-24 Andre Mastmeyer , Klaus Engelke , Christina Fuchs , Willi Kalender

In this work, we present a novel application of an uncertainty-quantification framework called Deep Evidential Learning in the domain of radiotherapy dose prediction. Using medical images of the Open Knowledge-Based Planning Challenge…

机器学习 · 计算机科学 2024-09-24 Hai Siong Tan , Kuancheng Wang , Rafe Mcbeth

We present a novel deep learning (DL) approach to produce highly accurate predictions of macroscopic physical properties of solid solution binary alloys and magnetic systems. The major idea is to make use of the correlations between…

In this paper, we present a deep-learning based method for estimating the 3D structure of a bone from a pair of 2D X-ray images. Our triplet loss-trained neural network selects the most closely matching 3D bone shape from a predefined set…

计算机视觉与模式识别 · 计算机科学 2020-10-12 Jana Čavojská , Julian Petrasch , Nicolas J. Lehmann , Agnès Voisard , Peter Böttcher

Deep learning (DL) networks have recently been shown to outperform other segmentation methods on various public, medical-image challenge datasets [3,11,16], especially for large pathologies. However, in the context of diseases such as…

计算机视觉与模式识别 · 计算机科学 2018-10-18 Tanya Nair , Doina Precup , Douglas L. Arnold , Tal Arbel

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…

This paper introduces a new approach to automatically quantify the severity of knee OA using X-ray images. Automatically quantifying knee OA severity involves two steps: first, automatically localizing the knee joints; next, classifying the…

计算机视觉与模式识别 · 计算机科学 2017-03-30 Joseph Antony , Kevin McGuinness , Kieran Moran , Noel E O'Connor

Longitudinal assessment of brain atrophy, particularly in the hippocampus, is a well-studied biomarker for neurodegenerative diseases, such as Alzheimer's disease (AD). In clinical trials, estimation of brain progressive rates can be…

Musculoskeletal and neurological disorders are the most common causes of walking problems among older people, and they often lead to diminished quality of life. Analyzing walking motion data manually requires trained professionals and the…

计算机视觉与模式识别 · 计算机科学 2022-08-19 Manli Zhu , Qianhui Men , Edmond S. L. Ho , Howard Leung , Hubert P. H. Shum

Musculoskeletal diseases such as sarcopenia and osteoporosis are major obstacles to health during aging. Although dual-energy X-ray absorptiometry (DXA) and computed tomography (CT) can be used to evaluate musculoskeletal conditions,…

计算机视觉与模式识别 · 计算机科学 2023-07-24 Yi Gu , Yoshito Otake , Keisuke Uemura , Masaki Takao , Mazen Soufi , Yuta Hiasa , Hugues Talbot , Seiji Okata , Nobuhiko Sugano , Yoshinobu Sato

Atherosclerosis, a chronic inflammatory disease affecting the large arteries, presents a global health risk. Accurate analysis of diagnostic images, like computed tomographic angiograms (CTAs), is essential for staging and monitoring the…

图像与视频处理 · 电气工程与系统科学 2023-11-28 Alireza Bagheri Rajeoni , Breanna Pederson , Daniel G. Clair , Susan M. Lessner , Homayoun Valafar

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…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Marouane Tliba , Mohamed Amine Kerkouri , Yassine Nasser , Nour Aburaed , Aladine Chetouani , Ulas Bagci , Rachid Jennane

Optical Coherence Tomography (OCT) provides valuable insights in ophthalmology, cardiology, and neurology due to high-resolution, cross-sectional images of the retina. One critical task for ophthalmologists using OCT is delineation of…

图像与视频处理 · 电气工程与系统科学 2025-05-21 Samuel T. M. Ball

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

A survival analysis model for predicting time-to-total knee replacement (TKR) was developed using features from medical images and clinical measurements. Supervised and self-supervised deep learning approaches were utilized to extract…

图像与视频处理 · 电气工程与系统科学 2024-11-19 Ozkan Cigdem , Shengjia Chen , Chaojie Zhang , Kyunghyun Cho , Richard Kijowski , Cem M. Deniz

Purpose: In multi-spectral imaging (MSI), several fast spin echo volumes with discrete Larmor frequency offsets are acquired in an interleaved fashion with multiple concatenations. Here, a variable resolution (VR) method to nearly halve…

医学物理 · 物理学 2023-06-06 Nikolai J. Mickevicius , Azadeh Sharafi , Andrew S. Nencka , Kevin M. Koch

This paper investigates two prominent probabilistic neural modeling paradigms: Bayesian Neural Networks (BNNs) and Mixture Density Networks (MDNs) for uncertainty-aware nonlinear regression. While BNNs incorporate epistemic uncertainty by…

统计计算 · 统计学 2025-10-30 Riddhi Pratim Ghosh , Ian Barnett

Objective and Impact Statement. We adopt a deep learning model for bone osteolysis prediction on computed tomography (CT) images of murine breast cancer bone metastases. Given the bone CT scans at previous time steps, the model incorporates…

图像与视频处理 · 电气工程与系统科学 2022-03-29 Wei Xiong , Neil Yeung , Shubo Wang , Haofu Liao , Liyun Wang , Jiebo Luo

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