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X-ray Fluorescence Computed Tomography(XFCT) is a prevalent experimental technique which is utilized to investigate the spatial distribution of elements in sample. The sensitivity of L-shell XFCT of some elements is lower than that of…

仪器与探测器 · 物理学 2014-04-30 Liu Long , Huang Yang , Ma Bo , Xu Qing , Yan Lingtong , Li Li , Feng Songlin , Feng Xiangqian

Contrast-enhanced Computed Tomography (CT) is important for diagnosis and treatment planning for various medical conditions. Deep learning (DL) based segmentation models may enable automated medical image analysis for detecting and…

计算机视觉与模式识别 · 计算机科学 2025-10-10 Eirik A. Østmo , Kristoffer K. Wickstrøm , Keyur Radiya , Michael C. Kampffmeyer , Karl Øyvind Mikalsen , Robert Jenssen

Advanced deep learning (DL) algorithms may predict the patient's risk of developing breast cancer based on the Breast Imaging Reporting and Data System (BI-RADS) and density standards. Recent studies have suggested that the combination of…

图像与视频处理 · 电气工程与系统科学 2022-04-19 Huyen T. X. Nguyen , Sam B. Tran , Dung B. Nguyen , Hieu H. Pham , Ha Q. Nguyen

Lung segmentation in chest X-rays (CXRs) is an important prerequisite for improving the specificity of diagnoses of cardiopulmonary diseases in a clinical decision support system. Current deep learning models for lung segmentation are…

图像与视频处理 · 电气工程与系统科学 2023-05-26 Sivaramakrishnan Rajaraman , Feng Yang , Ghada Zamzmi , Zhiyun Xue , Sameer Antani

Frame rate is a crucial consideration in cardiac ultrasound imaging and 3D sonography. Several methods have been proposed in the medical ultrasound literature aiming at accelerating the image acquisition. In this paper, we consider one such…

计算机视觉与模式识别 · 计算机科学 2018-08-24 Sanketh Vedula , Ortal Senouf , Grigoriy Zurakhov , Alex M. Bronstein , Michael Zibulevsky , Oleg Michailovich , Dan Adam , Diana Gaitini

A method for extracting the dark-field signal in propagation-based phase-contrast imaging is proposed. In the case of objects consisting predominantly of a single material, or several different materials with similar ratios of the real…

医学物理 · 物理学 2021-11-16 T. E. Gureyev , D. M. Paganin , B. Arhatari , S. T. Taba , S. Lewis , P. C. Brennan , H. M. Quiney

For compression fracture detection and evaluation, an automatic X-ray image segmentation technique that combines deep-learning and level-set methods is proposed. Automatic segmentation is much more difficult for X-ray images than for CT or…

医学物理 · 物理学 2019-04-17 Kang Cheol Kim , Hyun Cheol Cho , Tae Jun Jang , Jong Mun Choi , Jin Keun Seo

The scarcity of labeled data often limits the application of supervised deep learning techniques for medical image segmentation. This has motivated the development of semi-supervised techniques that learn from a mixture of labeled and…

计算机视觉与模式识别 · 计算机科学 2019-11-05 Gerda Bortsova , Florian Dubost , Laurens Hogeweg , Ioannis Katramados , Marleen de Bruijne

Plain X-ray is one of the most common image modalities for clinical diagnosis (e.g. bone fracture, pneumonia, cancer screening, etc.). X-ray image segmentation is an essential step for many computer-aided diagnostic systems, yet it remains…

图像与视频处理 · 电气工程与系统科学 2025-07-11 Youssef ElTantawy , Alexia Karantana , Xin Chen

When solving a segmentation task, shaped-base methods can be beneficial compared to pixelwise classification due to geometric understanding of the target object as shape, preventing the generation of anatomical implausible predictions in…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Ron Keuth , Mattias Heinrich

Deep learning techniques have successfully been employed in numerous computer vision tasks including image segmentation. The techniques have also been applied to medical image segmentation, one of the most critical tasks in computer-aided…

计算机视觉与模式识别 · 计算机科学 2020-06-30 Titinunt Kitrungrotsakul , Iwamoto Yutaro , Lanfen Lin , Ruofeng Tong , Jingsong Li , Yen-Wei Chen

Dislocations control the mechanical behavior of crystalline materials, yet their quantitative characterization in bulk has remained elusive. Transmission Electron Microscopy provides atomic-scale resolution but is restricted to thin foils,…

材料科学 · 物理学 2026-03-05 A. Benhadjira , C. Detlefs , S. Borgi , V. Favre-Nicolin , C. Yildirim

Computed tomography (CT) images containing metallic objects commonly show severe streaking and shadow artifacts. Metal artifacts are caused by nonlinear beam-hardening effects combined with other factors such as scatter and Poisson noise.…

医学物理 · 物理学 2017-08-02 Hyung Suk Park , Sung Min Lee , Hwa Pyung Kim , Jin Keun Seo

The proliferation of Deep Learning (DL)-based methods for radiographic image analysis has created a great demand for expert-labeled radiology data. Recent self-supervised frameworks have alleviated the need for expert labeling by obtaining…

计算机视觉与模式识别 · 计算机科学 2023-03-27 S. A. Rizvi , R. Tang , X. Jiang , X. Ma , X. Hu

Purpose: Limited studies exploring concrete methods or approaches to tackle and enhance model fairness in the radiology domain. Our proposed AI model utilizes supervised contrastive learning to minimize bias in CXR diagnosis. Materials and…

图像与视频处理 · 电气工程与系统科学 2024-01-30 Mingquan Lin , Tianhao Li , Zhaoyi Sun , Gregory Holste , Ying Ding , Fei Wang , George Shih , Yifan Peng

Lung tumors, especially those located close to or surrounded by soft tissues like the mediastinum, are difficult to segment due to the low soft tissue contrast on computed tomography images. Magnetic resonance images contain superior…

图像与视频处理 · 电气工程与系统科学 2019-09-11 Jue Jiang , Jason Hu , Neelam Tyagi , Andreas Rimner , Sean L. Berry , Joseph O. Deasy , Harini Veeraraghavan

Chest X-rays are widely used to diagnose thoracic diseases, but the lack of detailed information about these abnormalities makes it challenging to develop accurate automated diagnosis systems, which is crucial for early detection and…

计算机视觉与模式识别 · 计算机科学 2024-05-24 S. M. Nabil Ashraf , Md. Adyelullahil Mamun , Hasnat Md. Abdullah , Md. Golam Rabiul Alam

The purpose of this study is to develop an automated algorithm for thoracic vertebral segmentation on chest radiography using deep learning. 124 de-identified lateral chest radiographs on unique patients were obtained. Segmentations of…

图像与视频处理 · 电气工程与系统科学 2020-01-07 Sanket Badhe , Varun Singh , Joy Li , Paras Lakhani

Phase-contrast and dark-field imaging are relatively new X-ray imaging modalities that provide additional information to conventional attenuation-based imaging. However, this new information comes at the price of a more complex acquisition…

Long-tailed pulmonary anomalies in chest radiography present formidable diagnostic challenges. Despite the recent strides in diffusion-based methods for enhancing the representation of tailed lesions, the paucity of rare lesion exemplars…

计算机视觉与模式识别 · 计算机科学 2026-02-17 Xinquan Yang , Jinheng Xie , Yawen Huang , Yuexiang Li , Huimin Huang , Hao Zheng , Xian Wu , Yefeng Zheng , Linlin Shen
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