English
Related papers

Related papers: Unsupervised COVID-19 Lesion Segmentation in CT Us…

200 papers

This study aimed to evaluate the performance of a novel unsupervised deep learning-based framework for automated infections lesion segmentation from CT images of Covid patients. In the first step, two residual networks were independently…

Image and Video Processing · Electrical Eng. & Systems 2022-02-25 Faeze Gholamian Khah , Samaneh Mostafapour , Seyedjafar Shojaerazavi , Nouraddin Abdi-Goushbolagh , Hossein Arabi

We present a novel algorithm that is able to classify COVID-19 pneumonia from CT Scan slices using a very small sample of training images exhibiting COVID-19 pneumonia in tandem with a larger number of normal images. This algorithm is able…

Image and Video Processing · Electrical Eng. & Systems 2021-10-06 Sumeet Menon , Jayalakshmi Mangalagiri , Josh Galita , Michael Morris , Babak Saboury , Yaacov Yesha , Yelena Yesha , Phuong Nguyen , Aryya Gangopadhyay , David Chapman

The spread of the novel coronavirus disease 2019 (COVID-19) has claimed millions of lives. Automatic segmentation of lesions from CT images can assist doctors with screening, treatment, and monitoring. However, accurate segmentation of…

Image and Video Processing · Electrical Eng. & Systems 2022-04-07 Mingyang Liu , Li Xiao , Huiqin Jiang , Qing He

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

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

Lung segmentation in computerized tomography (CT) images is an important procedure in various lung disease diagnosis. Most of the current lung segmentation approaches are performed through a series of procedures with manually empirical…

Computer Vision and Pattern Recognition · Computer Science 2019-01-14 Jiaxing Tan , Longlong Jing , Yumei Huo , Yingli Tian , Oguz Akin

Segmentation of infected areas in chest CT volumes is of great significance for further diagnosis and treatment of COVID-19 patients. Due to the complex shapes and varied appearances of lesions, a large number of voxel-level labeled samples…

Image and Video Processing · Electrical Eng. & Systems 2020-10-20 Zhanwei Xu , Yukun Cao , Cheng Jin , Guozhu Shao , Xiaoqing Liu , Jie Zhou , Heshui Shi , Jianjiang Feng

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…

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

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

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

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

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

COVID-19 spread across the globe at an immense rate has left healthcare systems incapacitated to diagnose and test patients at the needed rate. Studies have shown promising results for detection of COVID-19 from viral bacterial pneumonia in…

Image and Video Processing · Electrical Eng. & Systems 2020-10-14 Saman Motamed , Patrik Rogalla , Farzad Khalvati

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

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

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) is widely used in screening, diagnosis, and image-guided therapy for both clinical and research purposes. Since CT involves ionizing radiation, an overarching thrust of related technical research is development of…

Image and Video Processing · Electrical Eng. & Systems 2019-06-25 Chenyu You , Guang Li , Yi Zhang , Xiaoliu Zhang , Hongming Shan , Shenghong Ju , Zhen Zhao , Zhuiyang Zhang , Wenxiang Cong , Michael W. Vannier , Punam K. Saha , Ge Wang

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…

‹ Prev 1 2 3 10 Next ›