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Pulmonary diseases can cause severe respiratory problems, leading to sudden death if not treated timely. Many researchers have utilized deep learning systems to diagnose pulmonary disorders using chest X-rays (CXRs). However, such systems…

Image and Video Processing · Electrical Eng. & Systems 2022-01-17 Mehreen Sirshar , Taimur Hassan , Muhammad Usman Akram , Shoab Ahmed Khan

Segmentation of the airway tree from chest computed tomography (CT) images is critical for quantitative assessment of airway diseases including bronchiectasis and chronic obstructive pulmonary disease (COPD). However, obtaining an accurate…

Computer Vision and Pattern Recognition · Computer Science 2018-08-15 A. Garcia-Uceda Juarez , H. A. W. M. Tiddens , M. de Bruijne

Computed tomography (CT) reconstruction from X-ray projections acquired within a limited angle range is challenging, especially when the angle range is extremely small. Both analytical and iterative models need more projections for…

Image and Video Processing · Electrical Eng. & Systems 2021-11-18 Ce Wang , Haimiao Zhang , Qian Li , Kun Shang , Yuanyuan Lyu , Bin Dong , S. Kevin Zhou

X-ray computed tomography (CT) reveals the materials' internal structures non-destructively from a tilt series of projected images. Filtered back projection (FBP) is a widely-adopted reconstruction algorithm in CT owing to its small…

Chest radiography is a relatively cheap, widely available medical procedure that conveys key information for making diagnostic decisions. Chest X-rays are almost always used in the diagnosis of respiratory diseases such as pneumonia or the…

Image and Video Processing · Electrical Eng. & Systems 2021-11-05 Matej Gazda , Jakub Gazda , Jan Plavka , Peter Drotar

Computed tomography (CT) segmentation models often contain classes that are not currently supported by magnetic resonance imaging (MRI) segmentation models. In this study, we show that a simple image inversion technique can significantly…

Image and Video Processing · Electrical Eng. & Systems 2025-09-25 Hartmut Häntze , Lina Xu , Maximilian Rattunde , Leonhard Donle , Felix J. Dorfner , Alessa Hering , Lisa C. Adams , Keno K. Bressem

Chest X-ray imaging is a critical diagnostic tool for identifying pulmonary diseases. However, manual interpretation of these images is time-consuming and error-prone. Automated systems utilizing convolutional neural networks (CNNs) have…

Image and Video Processing · Electrical Eng. & Systems 2025-11-25 Saurabh Agarwal , K. V. Arya , Yogesh Kumar Meena

Multi-scale 3D characterization is widely used by materials scientists to further their understanding of the relationships between microscopic structure and macroscopic function. Scientific computed tomography (CT) instruments are one of…

Image and Video Processing · Electrical Eng. & Systems 2022-01-12 S. V. Venkatakrishnan , K. Aditya Mohan , Amir Koushyar Ziabari , Charles A. Bouman

We demonstrate computerized tomography (CT) reconstructions from absorption, phase and dark-field signals obtained from scans acquired when the x-ray probe light is modulated with speckle. Two different interlaced schemes are proposed to…

Optics · Physics 2016-04-27 Sebastien Berujon , Eric Ziegler

Due to the merit of establishing volumetric data, X-ray computed tomography (XCT) is increasingly used as a non-destructive evaluation technique in the quality control of advanced manufactured parts with complex non-line-of-sight features.…

Recently, the outbreak of the novel Coronavirus disease 2019 (COVID-19) pandemic has seriously endangered human health and life. Due to limited availability of test kits, the need for auxiliary diagnostic approach has increased. Recent…

Image and Video Processing · Electrical Eng. & Systems 2021-09-07 Xiao Qi , Lloyd Brown , David J. Foran , Ilker Hacihaliloglu

Industrial CT is useful for defect detection, dimensional inspection and geometric analysis. While it does not meet the needs of industrial mass production, because of its time-consuming imaging procedure. This article proposes a novel…

Instrumentation and Detectors · Physics 2022-06-20 Zheng Fang , Tingjun Wang , Bingan Yuan , Xinlin Qing , Shunren Li

Diffusion models learn strong image priors that can be leveraged to solve inverse problems like medical image reconstruction. However, for real-world applications such as 3D Computed Tomography (CT) imaging, directly training diffusion…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Taewon Yang , Jason Hu , Jeffrey A. Fessler , Liyue Shen

Deep learning based computed tomography (CT) reconstruction has demonstrated outstanding performance on simulated 2D low-dose CT data. This applies in particular to domain adapted neural networks, which incorporate a handcrafted physics…

Image and Video Processing · Electrical Eng. & Systems 2023-11-30 Jevgenija Rudzusika , Buda Bajić , Thomas Koehler , Ozan Öktem

Crohn's disease and intestinal tuberculosis share many overlapping features such as clinical, radiological, endoscopic, and histological features - particularly granulomas, making it challenging to clinically differentiate them. Our…

Image and Video Processing · Electrical Eng. & Systems 2025-03-04 Shashwat Gupta , Sarthak Gupta , Akshan Agrawal , Mahim Naaz , Rajanikanth Yadav , Priyanka Bagade

In this paper, a 3D-RegNet-based neural network is proposed for diagnosing the physical condition of patients with coronavirus (Covid-19) infection. In the application of clinical medicine, lung CT images are utilized by practitioners to…

Image and Video Processing · Electrical Eng. & Systems 2021-07-12 Haibo Qi , Yuhan Wang , Xinyu Liu

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

In recent years, the prevalence of several pulmonary diseases, especially the coronavirus disease 2019 (COVID-19) pandemic, has attracted worldwide attention. These diseases can be effectively diagnosed and treated with the help of lung…

Image and Video Processing · Electrical Eng. & Systems 2021-01-01 Yixuan Sun , Chengyao Li , Qian Zhang , Aimin Zhou , Guixu Zhang

The cone beam computed tomography (CBCT) technique was first inserted in dental imaging 15 years ago. Due to this technique 3D imaging in dentistry has been excessively changed. The purpose beyond using CBCT instead of computed tomography…

Medical Physics · Physics 2018-12-11 Kaspar Höschel , Janos Juhasz

This paper proposes a novel and efficient method to build a Computer-Aided Diagnoses (CAD) system for lung nodule detection based on Computed Tomography (CT). This task was treated as an Object Detection on Video (VID) problem by imitating…

Computer Vision and Pattern Recognition · Computer Science 2017-12-15 Ning Li , Haopeng Liu , Bin Qiu , Wei Guo , Shijun Zhao , Kungang Li , Jie He