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Analysis of chest CT scans can be used in detecting parts of lungs that are affected by infectious diseases such as COVID-19.Determining the volume of lungs affected by lesions is essential for formulating treatment recommendations and…

To counter the outbreak of COVID-19, the accurate diagnosis of suspected cases plays a crucial role in timely quarantine, medical treatment, and preventing the spread of the pandemic. Considering the limited training cases and resources…

Image and Video Processing · Electrical Eng. & Systems 2020-10-08 Xuelin Qian , Huazhu Fu , Weiya Shi , Tao Chen , Yanwei Fu , Fei Shan , Xiangyang Xue

We found that the real time reverse transcription-polymerase chain reaction (RT-PCR) detection of viral RNA from sputum or nasopharyngeal swab has a relatively low positive rate in the early stage to determine COVID-19 (named by the World…

Graph neural networks (GNNs) have been proposed for medical image segmentation, by predicting anatomical structures represented by graphs of vertices and edges. One such type of graph is predefined with fixed size and connectivity to…

Image and Video Processing · Electrical Eng. & Systems 2023-03-20 Qian Li , Yunguan Fu , Qianye Yang , Zhijiang Du , Hongjian Yu , Yipeng Hu

COVID-19 was a significant challenge that led to the loss of numerous lives daily. Not only a certain country was involved in this outbreak, but even the world has suffered because of the coronavirus. Imaging techniques using computed…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Sarmad Khan , Arslan Shaukat , Umer Asgher , Basim Azam

This paper explores how well deep learning models trained on chest CT images can diagnose COVID-19 infected people in a fast and automated process. To this end, we adopt advanced deep network architectures and propose a transfer learning…

Image and Video Processing · Electrical Eng. & Systems 2021-01-19 Hammam Alshazly , Christoph Linse , Erhardt Barth , Thomas Martinetz

In this work, CT-xCOV, an explainable framework for COVID-19 diagnosis using Deep Learning (DL) on CT-scans is developed. CT-xCOV adopts an end-to-end approach from lung segmentation to COVID-19 detection and explanations of the detection…

Image and Video Processing · Electrical Eng. & Systems 2023-11-27 Ismail Elbouknify , Afaf Bouhoute , Khalid Fardousse , Ismail Berrada , Abdelmajid Badri

The novel corona-virus disease (COVID-19) pandemic has caused a major outbreak in more than 200 countries around the world, leading to a severe impact on the health and life of many people globally. As of mid-July 2020, more than 12 million…

Image and Video Processing · Electrical Eng. & Systems 2020-08-10 Narges Saeedizadeh , Shervin Minaee , Rahele Kafieh , Shakib Yazdani , Milan Sonka

Convolutional neural networks have been widely applied to hyperspectral image classification. However, traditional convolutions can not effectively extract features for objects with irregular distributions. Recent methods attempt to address…

Computer Vision and Pattern Recognition · Computer Science 2023-04-07 Di Wang , Bo Du , Liangpei Zhang

A chest radiograph, commonly called chest x-ray (CxR), plays a vital role in the diagnosis of various lung diseases, such as lung cancer, tuberculosis, pneumonia, and many more. Automated segmentation of the lungs is an important step to…

Image and Video Processing · Electrical Eng. & Systems 2020-11-20 Anushikha Singh , Brejesh Lall , B. K. Panigrahi , Anjali Agrawal , Anurag Agrawal , DJ Christopher , Balamugesh Thangakunam

Image segmentation, the process of partitioning an image into meaningful regions, plays a pivotal role in computer vision and medical imaging applications. Unsupervised segmentation, particularly in the absence of labeled data, remains a…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Kovvuri Sai Gopal Reddy , Bodduluri Saran , A. Mudit Adityaja , Saurabh J. Shigwan , Nitin Kumar

The coronavirus disease 2019 (COVID-19) pandemic continues to have a tremendous impact on patients and healthcare systems around the world. In the fight against this novel disease, there is a pressing need for rapid and effective screening…

Image and Video Processing · Electrical Eng. & Systems 2020-09-14 Hayden Gunraj , Linda Wang , Alexander Wong

Most machine learning-based image segmentation models produce pixel-wise confidence scores that represent the model's predicted probability for each class label at every pixel. While this information can be particularly valuable in…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Bruno Viti , Elias Karabelas , Martin Holler

Deep learning (DL) analysis of Chest X-ray (CXR) and Computed tomography (CT) images has garnered a lot of attention in recent times due to the COVID-19 pandemic. Convolutional Neural Networks (CNNs) are well suited for the image analysis…

Image and Video Processing · Electrical Eng. & Systems 2022-12-29 Suba S , Nita Parekh

The capability of generalization to unseen domains is crucial for deep learning models when considering real-world scenarios. However, current available medical image datasets, such as those for COVID-19 CT images, have large variations of…

Image and Video Processing · Electrical Eng. & Systems 2021-04-21 Qiangguo Jin , Hui Cui , Changming Sun , Zhaopeng Meng , Leyi Wei , Ran Su

Multi-sequence of cardiac magnetic resonance (CMR) images can provide complementary information for myocardial pathology (scar and edema). However, it is still challenging to fuse these underlying information for pathology segmentation…

Image and Video Processing · Electrical Eng. & Systems 2020-08-14 Zhen Zhang , Chenyu Liu , Wangbin Ding , Sihan Wang , Chenhao Pei , Mingjing Yang , Liqin Huang

In this study, the problem of automatically classifying pulmonary diseases, including the recently emerged COVID-19, from X-Ray images, is considered. While the spread of COVID-19 is increased, new, automatic, and reliable methods for…

Image and Video Processing · Electrical Eng. & Systems 2020-06-09 Ioannis D. Apostolopoulos , Sokratis Aznaouridis , Mpesiana Tzani

Manual identification and classification of pneumonia and COVID-19 infection is a cumbersome process that, if delayed can cause irreversible damage to the patient. We have compiled CT scan images from various sources, namely, from the China…

Image and Video Processing · Electrical Eng. & Systems 2024-04-22 Amit Karanth Gurpur , Janani S , Ajeetha B , Brintha Therese A , Rajeswaran Rangasami

Radiographic images offer an alternative method for the rapid screening and monitoring of Coronavirus Disease 2019 (COVID-19) patients. This approach is limited by the shortage of radiology experts who can provide a timely interpretation of…

Image and Video Processing · Electrical Eng. & Systems 2020-04-17 Aryan Mobiny , Pietro Antonio Cicalese , Samira Zare , Pengyu Yuan , Mohammadsajad Abavisani , Carol C. Wu , Jitesh Ahuja , Patricia M. de Groot , Hien Van Nguyen

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