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Consistent segmentation of COVID-19 patient's CT scans across multiple time points is essential to assess disease progression and response to therapy accurately. Existing automatic and interactive segmentation models for medical images only…

Image and Video Processing · Electrical Eng. & Systems 2023-06-02 Michelle Xiao-Lin Foo , Seong Tae Kim , Magdalini Paschali , Leili Goli , Egon Burian , Marcus Makowski , Rickmer Braren , Nassir Navab , Thomas Wendler

COVID-19 infection caused by SARS-CoV-2 pathogen is a catastrophic pandemic outbreak all over the world with exponential increasing of confirmed cases and, unfortunately, deaths. In this work we propose an AI-powered pipeline, based on the…

Due to the irregular shapes,various sizes and indistinguishable boundaries between the normal and infected tissues, it is still a challenging task to accurately segment the infected lesions of COVID-19 on CT images. In this paper, a novel…

Image and Video Processing · Electrical Eng. & Systems 2021-12-21 Haigen Hu , Leizhao Shen , Qiu Guan , Xiaoxin Li , Qianwei Zhou , Su Ruan

CT imaging is crucial for diagnosis, assessment and staging COVID-19 infection. Follow-up scans every 3-5 days are often recommended for disease progression. It has been reported that bilateral and peripheral ground glass opacification…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Fei Shan , Yaozong Gao , Jun Wang , Weiya Shi , Nannan Shi , Miaofei Han , Zhong Xue , Dinggang Shen , Yuxin Shi

Background: Triage of patients is important to control the pandemic of coronavirus disease 2019 (COVID-19), especially during the peak of the pandemic when clinical resources become extremely limited. Purpose: To develop a method that…

Image and Video Processing · Electrical Eng. & Systems 2021-12-14 Mengqiu Liu , Ying Liu , Yidong Yang , Aiping Liu , Shana Li , Changbing Qu , Xiaohui Qiu , Yang Li , Weifu Lv , Peng Zhang , Jie Wen

This paper proposes a segmentation method of infection regions in the lung from CT volumes of COVID-19 patients. COVID-19 spread worldwide, causing many infected patients and deaths. CT image-based diagnosis of COVID-19 can provide quick…

Image and Video Processing · Electrical Eng. & Systems 2022-01-11 Masahiro Oda , Tong Zheng , Yuichiro Hayashi , Yoshito Otake , Masahiro Hashimoto , Toshiaki Akashi , Shigeki Aoki , Kensaku Mori

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

Since 2019, the global dissemination of the Coronavirus and its novel strains has resulted in a surge of new infections. The use of X-ray and computed tomography (CT) imaging techniques is critical in diagnosing and managing COVID-19.…

Image and Video Processing · Electrical Eng. & Systems 2024-01-17 Sayed Amir Mousavi Mobarakeh , Kamran Kazemi , Ardalan Aarabi , Habibollah Danyal

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

Coronavirus Disease 2019 (COVID-19) has caused great casualties and becomes almost the most urgent public health events worldwide. Computed tomography (CT) is a significant screening tool for COVID-19 infection, and automated segmentation…

Image and Video Processing · Electrical Eng. & Systems 2021-02-11 Xiangyu Zhao , Peng Zhang , Fan Song , Guangda Fan , Yangyang Sun , Yujia Wang , Zheyuan Tian , Luqi Zhang , Guanglei Zhang

Recently there has been an explosion in the use of Deep Learning (DL) methods for medical image segmentation. However the field's reliability is hindered by the lack of a common base of reference for accuracy/performance evaluation and the…

Image and Video Processing · Electrical Eng. & Systems 2023-11-14 Paschalis Bizopoulos , Nicholas Vretos , Petros Daras

Automated delineation of COVID-19 lesions from lung CT scans aids the diagnosis and prognosis for patients. The asymmetric shapes and positioning of the infected regions make the task extremely difficult. Capturing information at multiple…

Image and Video Processing · Electrical Eng. & Systems 2022-10-28 Pallabi Dutta , Sushmita Mitra

The COVID-19 pandemic has inspired unprecedented data collection and computer vision modelling efforts worldwide, focusing on diagnosis and stratification of COVID-19 from medical images. Despite this large-scale research effort, these…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Michael J. Horry , Subrata Chakraborty , Biswajeet Pradhan , Maryam Fallahpoor , Chegeni Hossein , Manoranjan Paul

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…

Automated semantic image segmentation is an essential step in quantitative image analysis and disease diagnosis. This study investigates the performance of a deep learning-based model for lung segmentation from CT images for normal and…

Computed Tomography (CT) scans provide a detailed image of the lungs, allowing clinicians to observe the extent of damage caused by COVID-19. The CT severity score (CTSS) based scoring method is used to identify the extent of lung…

Image and Video Processing · Electrical Eng. & Systems 2023-03-20 Anand Thyagachandran , Hema A Murthy

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…

Despite tremendous efforts, it is very challenging to generate a robust model to assist in the accurate quantification assessment of COVID-19 on chest CT images. Due to the nature of blurred boundaries, the supervised segmentation methods…

Image and Video Processing · Electrical Eng. & Systems 2021-03-02 Yang Yang , Jiancong Chen , Ruixuan Wang , Ting Ma , Lingwei Wang , Jie Chen , Wei-Shi Zheng , Tong Zhang

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 pandemic of novel SARS-CoV-2 also known as COVID-19 has been spreading worldwide, causing rampant loss of lives. Medical imaging such as CT, X-ray, etc., plays a significant role in diagnosing the patients by presenting the visual…

Image and Video Processing · Electrical Eng. & Systems 2022-03-29 Narinder Singh Punn , Sonali Agarwal