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Since the breakout of coronavirus disease (COVID-19), the computer-aided diagnosis has become a necessity to prevent the spread of the virus. Detecting COVID-19 at an early stage is essential to reduce the mortality risk of the patients. In…

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

COVID-19 is a highly contagious respiratory infection that has affected a large population across the world and continues with its devastating consequences. It is imperative to detect COVID-19 at the earliest to limit the span of infection.…

Image and Video Processing · Electrical Eng. & Systems 2020-12-18 Saddam Hussain Khan , Anabia Sohail , Asifullah Khan

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

In this paper, we present a hybrid deep learning framework named CTNet which combines convolutional neural network and transformer together for the detection of COVID-19 via 3D chest CT images. It consists of a CNN feature extractor module…

Image and Video Processing · Electrical Eng. & Systems 2021-07-12 Shuang Liang

Automated detection and segmentation of pulmonary nodules on lung computed tomography (CT) scans can facilitate early lung cancer diagnosis. Existing supervised approaches for automated nodule segmentation on CT scans require voxel-based…

Computer Vision and Pattern Recognition · Computer Science 2018-02-26 Xinyang Feng , Jie Yang , Andrew F. Laine , Elsa D. Angelini

Accurate segmentation of 3D medical scans is crucial for clinical diagnostics and treatment planning, yet existing methods often fail to achieve both high accuracy and computational efficiency across diverse anatomies and imaging…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Chenxin Yuan , Shoupeng Chen , Haojiang Ye , Yiming Miao , Limei Peng , Pin-Han Ho

Accurate segmentation of Optical Coherence Tomography (OCT) images is crucial for diagnosing and monitoring retinal diseases. However, the labor-intensive nature of pixel-level annotation limits the scalability of supervised learning for…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Jiaqi Yang , Nitish Mehta , Xiaoling Hu , Chao Chen , Chia-Ling Tsai

Coronavirus disease 2019 (COVID-19) has been diagnosed automatically using Machine Learning algorithms over chest X-ray (CXR) images. However, most of the earlier studies used Deep Learning models over scarce datasets bearing the risk of…

Image and Video Processing · Electrical Eng. & Systems 2025-01-27 Aysen Degerli , Serkan Kiranyaz , Muhammad E. H. Chowdhury , Moncef Gabbouj

Fully convolutional networks (FCNs), including UNet and VNet, are widely-used network architectures for semantic segmentation in recent studies. However, conventional FCN is typically trained by the cross-entropy or Dice loss, which only…

Image and Video Processing · Electrical Eng. & Systems 2021-01-26 Kelei He , Chunfeng Lian , Ehsan Adeli , Jing Huo , Yang Gao , Bing Zhang , Junfeng Zhang , Dinggang Shen

Since 2019, coronavirus Disease 2019 (COVID-19) has been widely spread and posed a serious threat to public health. Chest Computed Tomography (CT) holds great potential for screening and diagnosis of this disease. The segmentation of…

Image and Video Processing · Electrical Eng. & Systems 2023-03-01 Jiesi Hu , Yanwu Yang , Xutao Guo , Ting Ma

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

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

Coronavirus Disease spread globally and infected millions of people quickly, causing high pressure on the health-system facilities. PCR screening is the adopted diagnostic testing method for COVID-19 detection. However, PCR is criticized…

Image and Video Processing · Electrical Eng. & Systems 2020-10-06 Omar Ibrahim Alirr

Image segmentation, the process of partitioning an image into meaningful regions, plays a pivotal role in computer vision and medical imaging applications. Unsupervised segmentation, particularly in the absence of labeled data, remains a…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Kovvuri Sai Gopal Reddy , Bodduluri Saran , A. Mudit Adityaja , Saurabh J. Shigwan , Nitin Kumar

Semi-supervised multi-organ medical image segmentation aids physicians in improving disease diagnosis and treatment planning and reduces the time and effort required for organ annotation.Existing state-of-the-art methods train the labeled…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Haochen Zhao , Hui Meng , Deqian Yang , Xiaozheng Xie , Xiaoze Wu , Qingfeng Li , Jianwei Niu

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…

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

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

Creating a large-scale dataset of abnormality annotation on medical images is a labor-intensive and costly task. Leveraging weak supervision from readily available data such as radiology reports can compensate lack of large-scale data for…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Ke Yu , Shantanu Ghosh , Zhexiong Liu , Christopher Deible , Kayhan Batmanghelich