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Computed Tomography (CT) scans provide detailed and accurate information of internal structures in the body. They are constructed by sending x-rays through the body from different directions and combining this information into a…

图像与视频处理 · 电气工程与系统科学 2023-05-12 Firas Khader , Gustav Müller-Franzes , Tianyu Han , Sven Nebelung , Christiane Kuhl , Johannes Stegmaier , Daniel Truhn

Computed tomography (CT) scans offer a detailed, three-dimensional representation of patients' internal organs. However, conventional CT reconstruction techniques necessitate acquiring hundreds or thousands of x-ray projections through a…

图像与视频处理 · 电气工程与系统科学 2023-11-27 Chulong Zhang , Lin Liu , Jingjing Dai , Xuan Liu , Wenfeng He , Yinping Chan , Yaoqin Xie , Feng Chi , Xiaokun Liang

Although chest X-ray (CXR) offers a 2D projection with overlapped anatomies, it is widely used for clinical diagnosis. There is clinical evidence supporting that decomposing an X-ray image into different components (e.g., bone, lung and…

图像与视频处理 · 电气工程与系统科学 2019-10-01 Zeju Li , Han Li , Hu Han , Gonglei Shi , Jiannan Wang , S. Kevin Zhou

This review presents an in-depth study of the literature on segmentation methods applied in dental imaging. Ten segmentation methods were studied and categorized according to the type of the segmentation method (region-based,…

计算机视觉与模式识别 · 计算机科学 2018-02-12 Gil Jader , Luciano Oliveira , Matheus Pithon

Automatic segmentation of organs-at-risk (OAR) in computed tomography (CT) is an essential part of planning effective treatment strategies to combat lung and esophageal cancer. Accurate segmentation of organs surrounding tumours helps…

计算机视觉与模式识别 · 计算机科学 2019-05-21 Sulaiman Vesal , Nishant Ravikumar , Andreas Maier

We propose a new modeling approach for scatter estimation and descattering in polyenergetic X-ray computed tomography (CT) based on fitting models to local neighborhoods of a training set. X-ray CT is widely used in medical and industrial…

图像与视频处理 · 电气工程与系统科学 2021-09-30 Michael T. McCann , Marc L. Klasky , Jennifer L. Schei , Saiprasad Ravishankar

Chest computed tomography (CT) imaging adds valuable insight in the diagnosis and management of pulmonary infectious diseases, like tuberculosis (TB). However, due to the cost and resource limitations, only X-ray images may be available for…

图像与视频处理 · 电气工程与系统科学 2022-11-16 Elena Sizikova , Xu Cao , Ashia Lewis , Kenny Moise , Megan Coffee

Chest X-ray (CXR) is frequently employed in emergency departments and intensive care units to verify the proper placement of central lines and tubes and to rule out related complications. The automation of the X-ray reading process can be a…

图像与视频处理 · 电气工程与系统科学 2023-12-07 Francesca Boccardi , Axel Saalbach , Heinrich Schulz , Samuele Salti , Ilyas Sirazitdinov

The chest X-ray (CXR) is one of the most common and easy-to-get medical tests used to diagnose common diseases of the chest. Recently, many deep learning-based methods have been proposed that are capable of effectively classifying CXRs.…

图像与视频处理 · 电气工程与系统科学 2023-05-23 Weizhi Nie , Chen Zhang , Dan Song , Lina Zhao , Yunpeng Bai , Keliang Xie , Anan Liu

X-ray diffraction tomography (XDT) resolves spatially-variant XRD profiles within macroscopic objects, and provides improved material contrast compared to the conventional transmission-based computed tomography (CT). However, due to the…

医学物理 · 物理学 2019-01-04 Zheyuan Zhu , Alexander Katsevich , Shuo Pang

Medical imaging has been used for diagnosis of various conditions, making it one of the most powerful resources for effective patient care. Due to widespread availability, low cost, and low radiation, chest X-ray is one of the most sought…

图像与视频处理 · 电气工程与系统科学 2024-04-22 Sonit Singh

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

We initially proposed a deep learning approach for foreign objects inpainting in smartphone-camera captured chest radiographs utilizing the cheXphoto dataset. Foreign objects which can significantly affect the quality of a computer-aided…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Hieu X. Le , Phuong D. Nguyen , Thang H. Nguyen , Khanh N. Q. Le , Thanh T. Nguyen

Rapid and accurate diagnosis of pneumothorax, utilizing chest X-ray and computed tomography (CT), is crucial for assisted diagnosis. Chest X-ray is commonly used for initial localization of pneumothorax, while CT ensures accurate…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Yunpeng Wang , Kang Wang , Yaoyao Zhuo , Weiya Shi , Fei Shan , Lei Liu

Automated detection and segmentation of surgical devices, such as catheters or wires, in X-ray fluoroscopic images have the potential to enhance image guidance in minimally invasive heart surgeries. In this paper, we present a convolutional…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Lin Xi , Yingliang Ma , Ethan Koland , Sandra Howell , Aldo Rinaldi , Kawal S. Rhode

X-ray spectroscopy is a powerful technique for the analysis of the energy distribution of X-rays from astrophysical sources. It allows for the study of the properties, composition, and physical processes taking place at the site of…

高能天体物理现象 · 物理学 2023-09-22 L. Ducci , C. Malacaria

Medical imaging plays an important role in the medical sector in identifying diseases. X-ray, computed tomography (CT) scans, and magnetic resonance imaging (MRI) are a few examples of medical imaging. Most of the time, these imaging…

图像与视频处理 · 电气工程与系统科学 2024-09-01 Mosabbir Bhuiyan , MD Abdullah Al Nasim , Sarwar Saif , Kishor Datta Gupta , Md Jahangir Alam , Sajedul Talukder

In several image acquisition and processing steps of X-ray radiography, knowledge of the existence of metal implants and their exact position is highly beneficial (e.g. dose regulation, image contrast adjustment). Another application which…

图像与视频处理 · 电气工程与系统科学 2022-03-18 Fuxin Fan , Ludwig Ritschl , Marcel Beister , Ramyar Biniazan , Björn Kreher , Tristan M. Gottschalk , Steffen Kappler , Andreas Maier

Detection of unwanted (`foreign') objects within products is a common procedure in many branches of industry for maintaining production quality. X-ray imaging is a fast, non-invasive and widely applicable method for foreign object…

计算机视觉与模式识别 · 计算机科学 2022-08-19 Mathé T. Zeegers , Tristan van Leeuwen , Daniël M. Pelt , Sophia Bethany Coban , Robert van Liere , Kees Joost Batenburg

The chest X-ray (CXR) is by far the most commonly performed radiological examination for screening and diagnosis of many cardiac and pulmonary diseases. There is an immense world-wide shortage of physicians capable of providing rapid and…

计算机视觉与模式识别 · 计算机科学 2018-06-07 Jonathan Laserson , Christine Dan Lantsman , Michal Cohen-Sfady , Itamar Tamir , Eli Goz , Chen Brestel , Shir Bar , Maya Atar , Eldad Elnekave