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Organ at Risk (OAR) segmentation from CT scans is a key component of the radiotherapy treatment workflow. In recent years, deep learning techniques have shown remarkable potential in automating this process. In this paper, we investigate…

Image and Video Processing · Electrical Eng. & Systems 2023-09-21 Leonardo Crespi , Mattia Portanti , Daniele Loiacono

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

We develop and approach to unsupervised semantic medical image segmentation that extends previous work with generative adversarial networks. We use existing edge detection methods to construct simple edge diagrams, train a generative model…

Image and Video Processing · Electrical Eng. & Systems 2019-11-14 Umaseh Sivanesan , Luis H. Braga , Ranil R. Sonnadara , Kiret Dhindsa

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

Coronavirus Disease 2019 (COVID-19) has spread aggressively across the world causing an existential health crisis. Thus, having a system that automatically detects COVID-19 in tomography (CT) images can assist in quantifying the severity of…

Image and Video Processing · Electrical Eng. & Systems 2020-07-08 Issam Laradji , Pau Rodriguez , Oscar Mañas , Keegan Lensink , Marco Law , Lironne Kurzman , William Parker , David Vazquez , Derek Nowrouzezahrai

The coronavirus disease (COVID-19) pandemic has led to a devastating effect on the global public health. Computed Tomography (CT) is an effective tool in the screening of COVID-19. It is of great importance to rapidly and accurately segment…

Image and Video Processing · Electrical Eng. & Systems 2021-02-09 Tongxue Zhou , Stéphane Canu , Su Ruan

Coronavirus (COVID-19) is a viral disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The spread of COVID-19 seems to have a detrimental effect on the global economy and health. A positive chest X-ray of infected…

Image and Video Processing · Electrical Eng. & Systems 2021-03-10 Abdul Waheed , Muskan Goyal , Deepak Gupta , Ashish Khanna , Fadi Al-Turjman , Placido Rogerio Pinheiro

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

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

Automatic lesion segmentation on thoracic CT enables rapid quantitative analysis of lung involvement in COVID-19 infections. However, obtaining a large amount of voxel-level annotations for training segmentation networks is prohibitively…

Image and Video Processing · Electrical Eng. & Systems 2021-11-22 Weiyi Xie , Colin Jacobs , Jean-Paul Charbonnier , Bram van Ginneken

Coronavirus disease 2019 (COVID-19) is an ongoing global pandemic that has spread rapidly since December 2019. Real-time reverse transcription polymerase chain reaction (rRT-PCR) and chest computed tomography (CT) imaging both play an…

Image and Video Processing · Electrical Eng. & Systems 2020-12-04 Yifan Jiang , Han Chen , Murray Loew , Hanseok Ko

Medical image segmentation is routinely performed to isolate regions of interest, such as organs and lesions. Currently, deep learning is the state of the art for automatic segmentation, but is usually limited by the need for supervised…

Image and Video Processing · Electrical Eng. & Systems 2021-02-05 Umaseh Sivanesan , Luis H. Braga , Ranil R. Sonnadara , Kiret Dhindsa

The devastation caused by the coronavirus pandemic makes it imperative to design automated techniques for a fast and accurate detection. We propose a novel non-invasive tool, using deep learning and imaging, for delineating COVID-19…

Image and Video Processing · Electrical Eng. & Systems 2022-12-26 Surochita Pal Das , Sushmita Mitra , B. Uma Shankar

The pneumonia caused by Coronavirus disease (COVID-19) is one of major global threat and a number of detection and treatment procedures are suggested by the researchers for COVID-19. The proposed work aims to suggest an automated image…

Image and Video Processing · Electrical Eng. & Systems 2020-04-21 Venkatesan Rajinikanth , Seifedine Kadry , Krishnan Palani Thanaraj , Krishnamurthy Kamalanand , Sanghyun Seo

SARS-CoV-2, also known as COVID-19 or Coronavirus, is a viral contagious disease that is infected by a novel coronavirus, and has been rapidly spreading across the globe. It is very important to test and isolate people to reduce spread, and…

Image and Video Processing · Electrical Eng. & Systems 2021-05-25 Prerak Mann , Sahaj Jain , Saurabh Mittal , Aruna Bhat

Understanding chest CT imaging of the coronavirus disease 2019 (COVID-19) will help detect infections early and assess the disease progression. Especially, automated severity assessment of COVID-19 in CT images plays an essential role in…

Image and Video Processing · Electrical Eng. & Systems 2020-05-26 Kelei He , Wei Zhao , Xingzhi Xie , Wen Ji , Mingxia Liu , Zhenyu Tang , Feng Shi , Yang Gao , Jun Liu , Junfeng Zhang , Dinggang Shen

Deep learning-based approaches achieve state-of-the-art performance in the majority of image segmentation benchmarks. However, training of such models requires a sizable amount of manual annotations. In order to reduce this effort, we…

Image and Video Processing · Electrical Eng. & Systems 2019-09-04 Mahdyar Ravanbakhsh , Tassilo Klein , Kayhan Batmanghelich , Moin Nabi

Automatic tumor or lesion segmentation is a crucial step in medical image analysis for computer-aided diagnosis. Although the existing methods based on Convolutional Neural Networks (CNNs) have achieved the state-of-the-art performance,…

Image and Video Processing · Electrical Eng. & Systems 2022-08-01 Shuchao Pang , Anan Du , Mehmet A. Orgun , Yan Wang , Quan Z. Sheng , Shoujin Wang , Xiaoshui Huang , Zhenmei Yu

This review presents a comprehensive study on the role of GANs in addressing the challenges related to COVID-19 data scarcity and diagnosis. It is the first review that summarizes the different GANs methods and the lungs images datasets for…

Image and Video Processing · Electrical Eng. & Systems 2022-05-17 Hazrat Ali , Zubair Shah

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