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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…

Recent research on COVID-19 suggests that CT imaging provides useful information to assess disease progression and assist diagnosis, in addition to help understanding the disease. There is an increasing number of studies that propose to use…

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

Purpose: Accurate segmentation of lung and infection in COVID-19 CT scans plays an important role in the quantitative management of patients. Most of the existing studies are based on large and private annotated datasets that are…

Image and Video Processing · Electrical Eng. & Systems 2021-06-09 Jun Ma , Yixin Wang , Xingle An , Cheng Ge , Ziqi Yu , Jianan Chen , Qiongjie Zhu , Guoqiang Dong , Jian He , Zhiqiang He , Yuntao Zhu , Ziwei Nie , Xiaoping Yang

Medical image classification and segmentation based on deep learning (DL) are emergency research topics for diagnosing variant viruses of the current COVID-19 situation. In COVID-19 computed tomography (CT) images of the lungs, ground glass…

Image and Video Processing · Electrical Eng. & Systems 2022-08-08 Shiyi Wang , Guang Yang

Utilizing computed tomography (CT) images to quickly estimate the severity of cases with COVID-19 is one of the most straightforward and efficacious methods. Two tasks were studied in this present paper. One was to segment the mask of…

Image and Video Processing · Electrical Eng. & Systems 2020-06-11 Wei Wu , Yu Shi , Xukun Li , Yukun Zhou , Peng Du , Shuangzhi Lv , Tingbo Liang , Jifang Sheng

The novel Coronavirus disease (COVID-19) is a highly contagious virus and has spread all over the world, posing an extremely serious threat to all countries. Automatic lung infection segmentation from computed tomography (CT) plays an…

Image and Video Processing · Electrical Eng. & Systems 2021-07-29 Yichi Zhang , Qingcheng Liao , Lin Yuan , He Zhu , Jiezhen Xing , Jicong Zhang

Chest X-rays of coronavirus disease 2019 (COVID-19) patients are frequently obtained to determine the extent of lung disease and are a valuable source of data for creating artificial intelligence models. Most work to date assessing disease…

Image and Video Processing · Electrical Eng. & Systems 2021-05-21 Vignav Ramesh , Blaine Rister , Daniel L. Rubin

This paper proposes an automated segmentation method of infection and normal regions in the lung from CT volumes of COVID-19 patients. From December 2019, novel coronavirus disease 2019 (COVID-19) spreads over the world and giving…

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

COVID-19 has become a global pandemic and is still posing a severe health risk to the public. Accurate and efficient segmentation of pneumonia lesions in CT scans is vital for treatment decision-making. We proposed a novel unsupervised…

Image and Video Processing · Electrical Eng. & Systems 2021-11-24 Chengyijue Fang , Yingao Liu , Mengqiu Liu , Xiaohui Qiu , Ying Liu , Yang Li , Jie Wen , Yidong Yang

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

Novel Coronavirus disease (COVID-19) is a highly contagious respiratory infection that has had devastating effects on the world. Recently, new COVID-19 variants are emerging making the situation more challenging and threatening. Evaluation…

We present a novel deep learning approach to categorical segmentation of lung CTs of COVID-19 patients. Specifically, we partition the scans into healthy lung tissues, non-lung regions, and two different, yet visually similar, pathological…

Image and Video Processing · Electrical Eng. & Systems 2022-07-07 Tal Ben-Haim , Ron Moshe Sofer , Gal Ben-Arie , Ilan Shelef , Tammy Riklin-Raviv

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…

Background: The 2019 novel coronavirus disease (COVID-19) has been spread widely in the world, causing a huge threat to people's living environment. Objective: Under computed tomography (CT) imaging, the structure features of COVID-19…

Image and Video Processing · Electrical Eng. & Systems 2021-12-24 Yuanyuan Peng , Zixu Zhang , Hongbin Tu , Xiong Li

Scarcity of annotated images hampers the building of automated solution for reliable COVID-19 diagnosis and evaluation from CT. To alleviate the burden of data annotation, we herein present a label-free approach for segmenting COVID-19…

Image and Video Processing · Electrical Eng. & Systems 2021-03-15 Qingsong Yao , Li Xiao , Peihang Liu , S. Kevin Zhou

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

Quantitative lung measures derived from computed tomography (CT) have been demonstrated to improve prognostication in coronavirus disease (COVID-19) patients, but are not part of the clinical routine since required manual segmentation of…

The coronavirus disease 2019 (COVID-19) affects billions of lives around the world and has a significant impact on public healthcare. Due to rising skepticism towards the sensitivity of RT-PCR as screening method, medical imaging like…

Image and Video Processing · Electrical Eng. & Systems 2022-04-14 Dominik Müller , Iñaki Soto Rey , Frank Kramer
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