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During the COVID-19 pandemic, medical imaging techniques like computed tomography (CT) scans have demonstrated effectiveness in combating the rapid spread of the virus. Therefore, it is crucial to conduct research on computerized models for…

Image and Video Processing · Electrical Eng. & Systems 2025-06-24 Basma Jumaa Saleh , Zaid Omar , Vikrant Bhateja , Lila Iznita Izhar

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

COVID-19 has been detrimental in terms of the number of fatalities and rising number of critical patients across the world. According to the UNDP (United National Development Programme) Socio-Economic programme, aimed at the COVID-19…

Image and Video Processing · Electrical Eng. & Systems 2020-08-25 Muhammad Aleem , Rahul Raj , Arshad Khan

Federated Learning is the most promising way to train robust Deep Learning models for the segmentation of Covid-19-related findings in chest CTs. By learning in a decentralized fashion, heterogeneous data can be leveraged from a variety of…

Image and Video Processing · Electrical Eng. & Systems 2021-12-17 Camila Gonzalez , Christian Harder , Amin Ranem , Ricarda Fischbach , Isabel Kaltenborn , Armin Dadras , Andreas Bucher , Anirban Mukhopadhyay

Automatic segmentation of infection areas in computed tomography (CT) images has proven to be an effective diagnosis approach for COVID-19. However, due to the limited number of pixel-level annotated medical images, accurate segmentation…

Image and Video Processing · Electrical Eng. & Systems 2021-09-13 Han Chen , Yifan Jiang , Murray Loew , Hanseok Ko

Coronavirus disease 2019 (COVID-19) is an ongoing global pandemic in over 200 countries and territories, which has resulted in a great public health concern across the international community. Analysis of X-ray imaging data can play a…

Image and Video Processing · Electrical Eng. & Systems 2021-04-02 Lucy Nwosu , Xiangfang Li , Lijun Qian , Seungchan Kim , Xishuang Dong

In this study, we propose a robust methodology for automatic segmentation of infected lung regions in COVID-19 CT scans using convolutional neural networks. The approach is based on a modified U-Net architecture enhanced with attention…

Image and Video Processing · Electrical Eng. & Systems 2026-02-20 Amal Lahchim , Lazar Davic

Coronavirus has caused hundreds of thousands of deaths. Fatalities could decrease if every patient could get suitable treatment by the healthcare system. Machine learning, especially computer vision methods based on deep learning, can help…

Image and Video Processing · Electrical Eng. & Systems 2021-08-27 Parham Yazdekhasty , Ali Zindari , Zahra Nabizadeh-ShahreBabak , Pejman Khadivi , Nader Karimi , Shadrokh Samavi

The purpose of this study was to develop a fully-automated segmentation algorithm, robust to various density enhancing lung abnormalities, to facilitate rapid quantitative analysis of computed tomography images. A polymorphic training…

Automatic segmentation of liver lesions is a fundamental requirement towards the creation of computer aided diagnosis (CAD) and decision support systems (CDS). Traditional segmentation approaches depend heavily upon hand-crafted features…

Computer Vision and Pattern Recognition · Computer Science 2017-05-23 Lei Bi , Jinman Kim , Ashnil Kumar , Dagan Feng

This paper presents a new approach for effective segmentation of images that can be integrated into any model and methodology; the paradigm that we choose is classification of medical images (3-D chest CT scans) for Covid-19 detection. Our…

Image and Video Processing · Electrical Eng. & Systems 2024-07-25 Dimitrios Kollias , Anastasios Arsenos , James Wingate , Stefanos Kollias

This paper proposed an ensemble of deep convolutional neural networks (CNN) based on EfficientNet, named ECOVNet, to detect COVID-19 using a large chest X-ray data set. At first, the open-access large chest X-ray collection is augmented,…

Image and Video Processing · Electrical Eng. & Systems 2021-05-27 Nihad Karim Chowdhury , Muhammad Ashad Kabir , Md. Muhtadir Rahman , Noortaz Rezoana

The Coronavirus Disease 2019 (COVID-19) pandemic has increased the public health burden and brought profound disaster to humans. For the particularity of the COVID-19 medical images with blurred boundaries, low contrast and different…

Image and Video Processing · Electrical Eng. & Systems 2023-07-21 Xiaoyu Pan , Huazheng Zhu , Jinglong Du , Guangtao Hu , Baoru Han , Yuanyuan Jia

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

Under the global pandemic of COVID-19, building an automated framework that quantifies the severity of COVID-19 and localizes the relevant lesion on chest X-ray images has become increasingly important. Although pixel-level lesion severity…

Image and Video Processing · Electrical Eng. & Systems 2021-03-15 Gwanghyun Kim , Sangjoon Park , Yujin Oh , Joon Beom Seo , Sang Min Lee , Jin Hwan Kim , Sungjun Moon , Jae-Kwang Lim , Jong Chul Ye

Volumetric lesion segmentation via medical imaging is a powerful means to precisely assess multiple time-point lesion/tumor changes. Because manual 3D segmentation is prohibitively time consuming and requires radiological experience,…

Computer Vision and Pattern Recognition · Computer Science 2018-01-29 Jinzheng Cai , Youbao Tang , Le Lu , Adam P. Harrison , Ke Yan , Jing Xiao , Lin Yang , Ronald M. Summers

Understanding chest CT imaging of the coronavirus disease 2019 (COVID-19) will help detect infections early and assess the disease progression. Especially, automated severity assessment of COVID-19 in CT images plays an essential role in…

Image and Video Processing · Electrical Eng. & Systems 2020-05-26 Kelei He , Wei Zhao , Xingzhi Xie , Wen Ji , Mingxia Liu , Zhenyu Tang , Feng Shi , Yang Gao , Jun Liu , Junfeng Zhang , Dinggang Shen

The spread of COVID-19 has brought a huge disaster to the world, and the automatic segmentation of infection regions can help doctors to make diagnosis quickly and reduce workload. However, there are several challenges for the accurate and…

Image and Video Processing · Electrical Eng. & Systems 2022-07-19 Runmin Cong , Haowei Yang , Qiuping Jiang , Wei Gao , Haisheng Li , Cong Wang , Yao Zhao , Sam Kwong

Breast lesions segmentation is an important step of computer-aided diagnosis system, and it has attracted much attention. However, accurate segmentation of malignant breast lesions is a challenging task due to the effects of heterogeneous…

Image and Video Processing · Electrical Eng. & Systems 2022-04-29 Gongping Chen , Yuming Liu , Yu Dai , Jianxun Zhang , Liang Cui , Xiaotao Yin

Weakly supervised disease classification of CT imaging suffers from poor localization owing to case-level annotations, where even a positive scan can hold hundreds to thousands of negative slices along multiple planes. Furthermore, although…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Anindo Saha , Fakrul I. Tushar , Khrystyna Faryna , Vincent M. D'Anniballe , Rui Hou , Maciej A. Mazurowski , Geoffrey D. Rubin , Joseph Y. Lo