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Chest radiographs are among the most frequently acquired images in radiology and are often the subject of computer vision research. However, most of the models used to classify chest radiographs are derived from openly available deep neural…

机器学习 · 计算机科学 2021-01-19 Keno K. Bressem , Lisa Adams , Christoph Erxleben , Bernd Hamm , Stefan Niehues , Janis Vahldiek

While deep learning has shown promise in the domain of disease classification from medical images, models based on state-of-the-art convolutional neural network architectures often exhibit performance loss due to dataset shift. Models…

机器学习 · 计算机科学 2020-01-14 Joseph D. Janizek , Gabriel Erion , Alex J. DeGrave , Su-In Lee

Dual-energy CT (DECT) has been widely investigated to generate more informative and more accurate images in the past decades. For example, Dual-Energy Alternating Minimization (DEAM) algorithm achieves sub-percentage uncertainty in…

图像与视频处理 · 电气工程与系统科学 2021-08-03 Tao Ge , Maria Medrano , Rui Liao , David G. Politte , Jeffrey F. Williamson , Joseph A. O'Sullivan

Computed tomography (CT) provides highly detailed three-dimensional (3D) medical images but is costly, time-consuming, and often inaccessible in intraoperative settings (Organization et al. 2011). Recent advancements have explored…

图像与视频处理 · 电气工程与系统科学 2024-12-12 Zhaoxi Zhang , Yueliang Ying

Unsupervised anomaly detection in medical images such as chest radiographs is stepping into the spotlight as it mitigates the scarcity of the labor-intensive and costly expert annotation of anomaly data. However, nearly all existing methods…

计算机视觉与模式识别 · 计算机科学 2023-07-31 Behzad Bozorgtabar , Dwarikanath Mahapatra , Jean-Philippe Thiran

We propose and demonstrate a novel machine learning algorithm that assesses pulmonary edema severity from chest radiographs. While large publicly available datasets of chest radiographs and free-text radiology reports exist, only limited…

计算机视觉与模式识别 · 计算机科学 2020-08-25 Geeticka Chauhan , Ruizhi Liao , William Wells , Jacob Andreas , Xin Wang , Seth Berkowitz , Steven Horng , Peter Szolovits , Polina Golland

X-ray tomography is capable of imaging the interior of objects in three dimensions non-invasively, with applications in biomedical imaging, materials science, electronic inspection, and other fields. The reconstruction process can be an…

图像与视频处理 · 电气工程与系统科学 2022-06-22 Zhen Guo , Jung Ki Song , George Barbastathis , Michael E. Glinsky , Courtenay T. Vaughan , Kurt W. Larson , Bradley K. Alpert , Zachary H. Levine

The application of artificial intelligence (AI) in medical imaging has revolutionized diagnostic practices, enabling advanced analysis and interpretation of radiological data. This study presents a comprehensive evaluation of…

图像与视频处理 · 电气工程与系统科学 2025-07-22 Zhijin He , Alan B. McMillan

Magnetic Resonance Imaging allows high resolution data acquisition with the downside of motion sensitivity due to relatively long acquisition times. Even during the acquisition of a single 2D slice, motion can severely corrupt the image.…

数值分析 · 数学 2024-04-12 Mathias S. Feinler , Bernadette N. Hahn

Background: Limited-angle (LA) dual-energy (DE) cone-beam CT (CBCT) is considered as a potential solution to achieve fast and low-dose DE imaging on current CBCT scanners without hardware modification. However, its clinical implementations…

Deep learning-based automated diagnosis of lung cancer has emerged as a crucial advancement that enables healthcare professionals to detect and initiate treatment earlier. However, these models require extensive training datasets with…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Aryan Goyal , Ashish Mittal , Pranav Rao , Manoj Tadepalli , Preetham Putha

Radio interferometry invariably suffers from an incomplete coverage of the spatial Fourier space, which leads to imaging artifacts. The current state-of-the-art technique is to create an image by Fourier-transforming the incomplete…

天体物理仪器与方法 · 物理学 2024-12-19 F. Geyer , K. Schmidt , J. Kummer , M. Brüggen , H. W. Edler , D. Elsässer , F. Griese , A. Poggenpohl , L. Rustige , W. Rhode

Computer-aided breast cancer diagnosis in mammography is limited by inadequate data and the similarity between benign and cancerous masses. To address this, we propose a signed graph regularized deep neural network with adversarial…

图像与视频处理 · 电气工程与系统科学 2019-09-17 Heyi Li , Dongdong Chen , William H. Nailon , Mike E. Davies , David I. Laurenson

Anomaly detection and localization in medical images is a challenging task, especially when the anomaly exhibits a change of existing structures, e.g., brain atrophy or changes in the pleural space due to pleural effusions. In this work, we…

图像与视频处理 · 电气工程与系统科学 2020-07-29 Julia Wolleb , Robin Sandkühler , Philippe C. Cattin

Because of the necessity to obtain high-quality images with minimal radiation doses, such as in low-field magnetic resonance imaging, super-resolution reconstruction in medical imaging has become more popular (MRI). However, due to the…

图像与视频处理 · 电气工程与系统科学 2022-12-27 Weizhi Du , Harvery Tian

Robust and reliable anonymization of chest radiographs constitutes an essential step before publishing large datasets of such for research purposes. The conventional anonymization process is carried out by obscuring personal information in…

图像与视频处理 · 电气工程与系统科学 2023-07-25 Kai Packhäuser , Sebastian Gündel , Florian Thamm , Felix Denzinger , Andreas Maier

The image captioning task is increasingly prevalent in artificial intelligence applications for medicine. One important application is clinical report generation from chest radiographs. The clinical writing of unstructured reports is time…

图像与视频处理 · 电气工程与系统科学 2022-05-09 Edward Vendrow , Ethan Schonfeld

Nonlinear image registration continues to be a fundamentally important tool in medical image analysis. Diagnostic tasks, image-guided surgery and radiotherapy as well as motion analysis all rely heavily on accurate intra-patient alignment.…

计算机视觉与模式识别 · 计算机科学 2019-07-26 Mattias P. Heinrich

Medical image denoising is essential for improving image quality while minimizing the exposure of sensitive information, particularly when working with large-scale clinical datasets. This study explores distributed deep learning for…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Sulaimon Oyeniyi Adebayo , Ayaz H. Khan

Deep learning-based image reconstruction methods have achieved promising results across multiple MRI applications. However, most approaches require large-scale fully-sampled ground truth data for supervised training. Acquiring fully-sampled…

图像与视频处理 · 电气工程与系统科学 2020-09-01 Elizabeth K. Cole , John M. Pauly , Shreyas S. Vasanawala , Frank Ong