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Related papers: Optimization of Dark-Field CT for Lung Imaging

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Purpose: Interpreting chest radiographs (CXR) remains challenging due to the ambiguity of overlapping structures such as the lungs, heart, and bones. To address this issue, we propose a novel method for extracting fine-grained anatomical…

Image and Video Processing · Electrical Eng. & Systems 2023-06-08 Constantin Seibold , Alexander Jaus , Matthias A. Fink , Moon Kim , Simon Reiß , Ken Herrmann , Jens Kleesiek , Rainer Stiefelhagen

In recent years, Deep Learning (DL) has shown promising results in conducting AI tasks such as computer vision and image segmentation. Specifically, Convolutional Neural Network (CNN) models in DL have been applied to prevention,detection,…

Image and Video Processing · Electrical Eng. & Systems 2019-11-19 Ahmed Awad Albishri , Syed Jawad Hussain Shah , Anthony Schmiedler , Seung Suk Kang , Yugyung Lee

Computed tomography (CT) plays an important role in lung malignancy diagnostics and therapy assessment and facilitating precision medicine delivery. However, the use of personalized imaging protocols poses a challenge in large-scale…

Image and Video Processing · Electrical Eng. & Systems 2020-04-06 Md Selim , Jie Zhang , Baowei Fei , Guo-Qiang Zhang , Jin Chen

The inherent characteristics of lung tissues, which are independent of breathing manoeuvre, may provide fundamental information on lung function. This paper attempted to study function-correlated lung textures and their spatial distribution…

Medical Physics · Physics 2024-03-28 Yu-Hua Huang , Xinzhi Teng , Jiang Zhang , Zhi Chen , Zongrui Ma , Ge Ren , Feng-Ming , Kong , Jing Cai

In Europe the 20% of the CT scans cover the thoracic region. The acquired images contain information about the cardiovascular system that often remains latent due to the lack of contrast in the cardiac area. On the other hand, the contrast…

Computer Vision and Pattern Recognition · Computer Science 2018-07-06 Gianmarco Santini , Lorena M. Zumbo , Nicola Martini , Gabriele Valvano , Andrea Leo , Andrea Ripoli , Francesco Avogliero , Dante Chiappino , Daniele Della Latta

Recent advancements in medical image analysis have predominantly relied on Convolutional Neural Networks (CNNs), achieving impressive performance in chest X-ray classification tasks, such as the 92% AUC reported by AutoThorax-Net and the…

Image and Video Processing · Electrical Eng. & Systems 2024-11-19 Baljinnyam Dayan

Accurate lung nodule detection for computed tomography (CT) scan imagery is challenging in real-world settings due to the sparse occurrence of nodules and similarity to other anatomical structures. In a typical positive case, nodules may…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Hooman Ramezani , Dionne Aleman , Daniel Létourneau

The purpose of this work is to provide a fast and accurate scatter artifacts correction algorithm for cone beam CT (CBCT) imaging. The method starts with an estimation of coarse scatter profiles for a set of CBCT data in either image domain…

Medical Physics · Physics 2016-04-27 Wei Zhao , Don Vernekohl , Jun Zhu , Luyao Wang , Lei Xing

The feasibility of using ultra-low-field magnetic resonance (ULF MR) for direct neuronal current imaging (NCI) is investigated by phantom measurements. The aim of NCI is to improve the current localization accuracy for neuronal activity of…

Medical Physics · Physics 2019-06-27 Nora Höfner , Rainer Körber , Martin Burghoff

In this study, we present a hybrid CNN-RNN approach to investigate long-term survival of subjects in a lung cancer screening study. Subjects who died of cardiovascular and respiratory causes were identified whereby the CNN model was used to…

Machine Learning · Computer Science 2023-03-21 Yaozhi Lu , Shahab Aslani , An Zhao , Ahmed Shahin , David Barber , Mark Emberton , Daniel C. Alexander , Joseph Jacob

The size of the smallest detectable sample feature in an x-ray imaging system is usually restricted by the spatial resolution of the system. This limitation can now be overcome using the diffusive dark-field signal, which is generated by…

Medical Physics · Physics 2024-02-01 Ying Ying How , David M. Paganin , Kaye S. Morgan

Lung cancer has been one of the major threats across the world with the highest mortalities. Computer-aided detection (CAD) can help in early detection and thus can help increase the survival rate. Accurate lung parenchyma segmentation (to…

Image and Video Processing · Electrical Eng. & Systems 2025-09-18 Muhammad Abdullah , Furqan Shaukat

Lung cancer has emerged as a severe disease that threatens human life and health. The precise segmentation of lung regions is a crucial prerequisite for localizing tumors, which can provide accurate information for lung image analysis. In…

Image and Video Processing · Electrical Eng. & Systems 2023-03-21 Youshan Zhang

Cluster-scale strong lensing is a powerful tool for exploring the properties of dark matter and constraining cosmological models. However, due to the complex parameter space, pixelized strong lens modeling in galaxy clusters is…

Cosmology and Nongalactic Astrophysics · Physics 2024-05-07 Yushan Xie , Huanyuan Shan , Nan Li , Ran Li , Eric Jullo , Chen Su , Xiaoyue Cao , Jean-Paul Kneib , Ana Acebron , Mengfan He , Ji Yao , Chunxiang Wang , Jiadong Li , Yin Li

Chest X-ray is the most common test among medical imaging modalities. It is applied for detection and differentiation of, among others, lung cancer, tuberculosis, and pneumonia, the last with importance due to the COVID-19 disease.…

Image and Video Processing · Electrical Eng. & Systems 2020-03-24 Gusztáv Gaál , Balázs Maga , András Lukács

Accurate image segmentation of the liver is a challenging problem owing to its large shape variability and unclear boundaries. Although the applications of fully convolutional neural networks (CNNs) have shown groundbreaking results,…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 Minyoung Chung , Jingyu Lee , Jeongjin Lee , Yeong-Gil Shin

Lung cancer is the leading cause of cancer-related death worldwide, and early diagnosis is critical to improving patient outcomes. To diagnose cancer, a highly trained pulmonologist must navigate a flexible bronchoscope deep into the…

Computer Vision and Pattern Recognition · Computer Science 2019-03-27 Jake Sganga , David Eng , Chauncey Graetzel , David B. Camarillo

Since, cancer is curable when diagnosed at an early stage, lung cancer screening plays an important role in preventive care. Although both low dose computed tomography (LDCT) and computed tomography (CT) scans provide more medical…

Image and Video Processing · Electrical Eng. & Systems 2020-07-28 Worawate Ausawalaithong , Sanparith Marukatat , Arjaree Thirach , Theerawit Wilaiprasitporn

Recent development of photon-counting CT (PCCT) brings great opportunities for plaque characterization with much-improved spatial resolution and spectral imaging capability. While existing coronary plaque PCCT imaging results are based on…

Medical Physics · Physics 2023-12-05 Mengzhou Li , Mingye Wu , Jed Pack , Pengwei Wu , Bruno De Man , Adam Wang , Koen Nieman , Ge Wang

The interconnection between the human lungs and other organs, such as the liver and kidneys, is crucial for understanding the underlying risks and effects of lung diseases and improving patient care. However, most research chest CT imaging…

Computer Vision and Pattern Recognition · Computer Science 2025-01-23 Lianrui Zuo , Kaiwen Xu , Dingjie Su , Xin Yu , Aravind R. Krishnan , Yihao Liu , Shunxing Bao , Thomas Li , Kim L. Sandler , Fabien Maldonado , Bennett A. Landman