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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…

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

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

Purpose: Accurate identification of hepatocystic anatomy is critical to preventing surgical complications during laparoscopic cholecystectomy. Deep learning models often struggle with occlusions, long-range dependencies, and capturing the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Yihan Li , Nikhil Churamani , Maria Robu , Imanol Luengo , Danail Stoyanov

Segmentation of COVID-19 lesions can assist physicians in better diagnosis and treatment of COVID-19. However, there are few relevant studies due to the lack of detailed information and high-quality annotation in the COVID-19 dataset. To…

Image and Video Processing · Electrical Eng. & Systems 2023-03-02 Dandan Shan , Zihan Li , Wentao Chen , Qingde Li , Jie Tian , Qingqi Hong

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

Due to low tissue contrast, irregular object appearance, and unpredictable location variation, segmenting the objects from different medical imaging modalities (e.g., CT, MR) is considered as an important yet challenging task. In this…

Computer Vision and Pattern Recognition · Computer Science 2018-05-10 Jinquan Sun , Yinghuan Shi , Yang Gao , Lei Wang , Luping Zhou , Wanqi Yang , Dinggang Shen

An early effective screening and grading of COVID-19 has become imperative towards optimizing the limited available resources of the medical facilities. An automated segmentation of the infected volumes in lung CT is expected to…

Image and Video Processing · Electrical Eng. & Systems 2023-02-20 Pallabi Dutta , Sushmita Mitra

Patients with the COVID-19 infection may have pneumonia-like symptoms as well as respiratory problems which may harm the lungs. From medical images, coronavirus illness may be accurately identified and predicted using a variety of machine…

Computer Vision and Pattern Recognition · Computer Science 2023-02-20 Tareque Rahman Ornob , Gourab Roy , Enamul Hassan

Coronavirus has caused hundreds of thousands of deaths. Fatalities could decrease if every patient could get suitable treatment by the healthcare system. Machine learning, especially computer vision methods based on deep learning, can help…

Image and Video Processing · Electrical Eng. & Systems 2021-08-27 Parham Yazdekhasty , Ali Zindari , Zahra Nabizadeh-ShahreBabak , Pejman Khadivi , Nader Karimi , Shadrokh Samavi

Since the outbreak of the COVID-19 pandemic in 2019, medical imaging has emerged as a primary modality for diagnosing COVID-19 pneumonia. In clinical settings, the segmentation of lung infections from computed tomography images enables…

Image and Video Processing · Electrical Eng. & Systems 2025-05-01 Yijie Dang , Weijun Ma , Xiaohu Luo , Huaizhu Wang

Since 2019, the global COVID-19 outbreak has emerged as a crucial focus in healthcare research. Although RT-PCR stands as the primary method for COVID-19 detection, its extended detection time poses a significant challenge. Consequently,…

Image and Video Processing · Electrical Eng. & Systems 2024-03-19 Anay Panja , Somenath Kuiry , Alaka Das , Mita Nasipuri , Nibaran Das

The rapid and accurate detection of COVID-19 cases is critical for timely treatment and preventing the spread of the disease. In this study, a two-stage feature extraction framework using eight state-of-the-art pre-trained deep…

Image and Video Processing · Electrical Eng. & Systems 2023-04-24 Ceyhun Efe Kayan , Talha Enes Koksal , Arda Sevinc , Abdurrahman Gumus

Currently, Coronavirus disease (COVID-19), one of the most infectious diseases in the 21st century, is diagnosed using RT-PCR testing, CT scans and/or Chest X-Ray (CXR) images. CT (Computed Tomography) scanners and RT-PCR testing are not…

The world is still overwhelmed by the spread of the COVID-19 virus. With over 250 Million infected cases as of November 2021 and affecting 219 countries and territories, the world remains in the pandemic period. Detecting COVID-19 using the…

Image and Video Processing · Electrical Eng. & Systems 2022-10-27 Gargi Desai , Nelly Elsayed , Zag Elsayed , Murat Ozer

The novel coronavirus disease 2019 (COVID-19) has been spreading rapidly around the world and caused significant impact on the public health and economy. However, there is still lack of studies on effectively quantifying the lung infection…

Image and Video Processing · Electrical Eng. & Systems 2020-04-14 Xiaocong Chen , Lina Yao , Yu Zhang

While medical image segmentation is an important task for computer aided diagnosis, the high expertise requirement for pixelwise manual annotations makes it a challenging and time consuming task. Since conventional data augmentations do not…

Image and Video Processing · Electrical Eng. & Systems 2021-06-21 Dwarikanath Mahapatra , Ankur Singh

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

A method of a Convolutional Neural Networks (CNN) for image classification with image preprocessing and hyperparameters tuning was proposed. The method aims at increasing the predictive performance for COVID-19 diagnosis while more complex…

Image and Video Processing · Electrical Eng. & Systems 2023-06-06 Kenan Morani , Devrim Unay

Recently, the outbreak of the novel Coronavirus disease 2019 (COVID-19) pandemic has seriously endangered human health and life. Due to limited availability of test kits, the need for auxiliary diagnostic approach has increased. Recent…

Image and Video Processing · Electrical Eng. & Systems 2021-09-07 Xiao Qi , Lloyd Brown , David J. Foran , Ilker Hacihaliloglu