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Deep neural networks (DNNs) have been widely used for medical image analysis. However, the lack of access a to large-scale annotated dataset poses a great challenge, especially in the case of rare diseases, or new domains for the research…

Image and Video Processing · Electrical Eng. & Systems 2021-07-02 Sungho Suh , Sojeong Cheon , Wonseo Choi , Yeon Woong Chung , Won-Kyung Cho , Ji-Sun Paik , Sung Eun Kim , Dong-Jin Chang , Yong Oh Lee

Unsupervised domain adaptation is useful in medical image segmentation. Particularly, when ground truths of the target images are not available, domain adaptation can train a target-specific model by utilizing the existing labeled images…

Image and Video Processing · Electrical Eng. & Systems 2021-06-17 Fuping Wu , Xiahai Zhuang

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

Semantic segmentation is a critical step in automated image interpretation and analysis where pixels are classified into one or more predefined semantically meaningful classes. Deep learning approaches for semantic segmentation rely on…

Computer Vision and Pattern Recognition · Computer Science 2023-07-10 Tushar Kataria , Beatrice Knudsen , Shireen Elhabian

Coronavirus disease 2019 (COVID-19) is a Public Health Emergency of International Concern infecting more than 40 million people across 188 countries and territories. Chest computed tomography (CT) imaging technique benefits from its high…

Image and Video Processing · Electrical Eng. & Systems 2021-02-02 Yifan Jiang , Han Chen , David K. Han , Hanseok Ko

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

Liver segmentation on images acquired using computed tomography (CT) and magnetic resonance imaging (MRI) plays an important role in clinical management of liver diseases. Compared to MRI, CT images of liver are more abundant and readily…

Computer Vision and Pattern Recognition · Computer Science 2022-02-25 Jin Hong , Simon Chun-Ho Yu , Weitian Chen

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

Digitization techniques for biomedical images yield different visual patterns in radiological exams. These differences may hamper the use of data-driven approaches for inference over these images, such as Deep Neural Networks. Another…

Computer Vision and Pattern Recognition · Computer Science 2019-12-10 Hugo Oliveira , Edemir Ferreira , Jefersson A. dos Santos

The rapid spread of COVID-19 has necessitated efficient and accurate diagnostic methods. Computed Tomography (CT) scan images have emerged as a valuable tool for detecting the disease. In this article, we present a novel deep learning…

Image and Video Processing · Electrical Eng. & Systems 2023-08-15 Susmita Ghosh , Abhiroop Chatterjee

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

Deep learning methods provide significant assistance in analyzing coronavirus disease (COVID-19) in chest computed tomography (CT) images, including identification, severity assessment, and segmentation. Although the earlier developed…

Image and Video Processing · Electrical Eng. & Systems 2022-03-29 Stanislav Shimovolos , Andrey Shushko , Mikhail Belyaev , Boris Shirokikh

Coronavirus Disease 2019 (COVID-19) spread globally in early 2020, causing the world to face an existential health crisis. Automated detection of lung infections from computed tomography (CT) images offers a great potential to augment the…

Image and Video Processing · Electrical Eng. & Systems 2020-05-25 Deng-Ping Fan , Tao Zhou , Ge-Peng Ji , Yi Zhou , Geng Chen , Huazhu Fu , Jianbing Shen , Ling Shao

Automated detecting lung infections from computed tomography (CT) data plays an important role for combating COVID-19. However, there are still some challenges for developing AI system. 1) Most current COVID-19 infection segmentation…

Image and Video Processing · Electrical Eng. & Systems 2022-11-11 Liansheng Wang , Jiacheng Wang , Lei Zhu , Huazhu Fu , Ping Li , Gary Cheng , Zhipeng Feng , Shuo Li , Pheng-Ann Heng

Automated infection measurement and COVID-19 diagnosis based on Chest X-ray (CXR) imaging is important for faster examination. We propose a novel approach, called DRR4Covid, to learn automated COVID-19 diagnosis and infection segmentation…

Image and Video Processing · Electrical Eng. & Systems 2020-08-27 Pengyi Zhang , Yunxin Zhong , Yulin Deng , Xiaoying Tang , Xiaoqiong Li

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

Retinal vessel segmentation plays a key role in computer-aided screening, diagnosis, and treatment of various cardiovascular and ophthalmic diseases. Recently, deep learning-based retinal vessel segmentation algorithms have achieved…

Image and Video Processing · Electrical Eng. & Systems 2021-08-05 Wei Feng , Lie Ju , Lin Wang , Kaimin Song , Xin Wang , Xin Zhao , Qingyi Tao , Zongyuan Ge

In response to the need for rapid and accurate COVID-19 diagnosis during the global pandemic, we present a two-stage framework that leverages pseudo labels for domain adaptation to enhance the detection of COVID-19 from CT scans. By…

Image and Video Processing · Electrical Eng. & Systems 2024-03-19 Runtian Yuan , Qingqiu Li , Junlin Hou , Jilan Xu , Yuejie Zhang , Rui Feng , Hao Chen

Computed tomography (CT) imaging is a promising approach to diagnosing the COVID-19. Machine learning methods can be employed to train models from labeled CT images and predict whether a case is positive or negative. However, there exists…

Image and Video Processing · Electrical Eng. & Systems 2021-01-15 Yi Liu , Shuiwang Ji

This paper presents a new regularization method to train a fully convolutional network for semantic tissue segmentation in histopathological images. This method relies on the benefit of unsupervised learning, in the form of image…

Computer Vision and Pattern Recognition · Computer Science 2020-11-26 C. T. Sari , C. Sokmensuer , C. Gunduz-Demir