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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…

图像与视频处理 · 电气工程与系统科学 2022-07-07 Tal Ben-Haim , Ron Moshe Sofer , Gal Ben-Arie , Ilan Shelef , Tammy Riklin-Raviv

In recent years, there has been a notable increase in the level of attention that is given to algorithms based on deep learning in the context of medical image segmentation. Nevertheless, the reliability of the field has been hindered due…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Sarmad Khan , Arslan Shaukat , Umer Asgher , Basim Azam

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…

图像与视频处理 · 电气工程与系统科学 2021-06-21 Dwarikanath Mahapatra , Ankur Singh

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…

图像与视频处理 · 电气工程与系统科学 2025-05-01 Yijie Dang , Weijun Ma , Xiaohu Luo , Huaizhu Wang

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…

图像与视频处理 · 电气工程与系统科学 2022-02-25 Faeze Gholamian Khah , Samaneh Mostafapour , Seyedjafar Shojaerazavi , Nouraddin Abdi-Goushbolagh , Hossein Arabi

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…

图像与视频处理 · 电气工程与系统科学 2020-07-08 Issam Laradji , Pau Rodriguez , Oscar Mañas , Keegan Lensink , Marco Law , Lironne Kurzman , William Parker , David Vazquez , Derek Nowrouzezahrai

Segmentation of pulmonary infiltrates can help assess severity of COVID-19, but manual segmentation is labor and time-intensive. Using neural networks to segment pulmonary infiltrates would enable automation of this task. However, training…

图像与视频处理 · 电气工程与系统科学 2021-01-26 Keno K. Bressem , Stefan M. Niehues , Bernd Hamm , Marcus R. Makowski , Janis L. Vahldiek , Lisa C. Adams

This paper proposes a segmentation method of infection regions in the lung from CT volumes of COVID-19 patients. COVID-19 spread worldwide, causing many infected patients and deaths. CT image-based diagnosis of COVID-19 can provide quick…

图像与视频处理 · 电气工程与系统科学 2022-01-11 Masahiro Oda , Tong Zheng , Yuichiro Hayashi , Yoshito Otake , Masahiro Hashimoto , Toshiaki Akashi , Shigeki Aoki , Kensaku Mori

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…

图像与视频处理 · 电气工程与系统科学 2022-04-14 Dominik Müller , Iñaki Soto Rey , Frank Kramer

Accurately segmenting a variety of clinically significant lesions from whole body computed tomography (CT) scans is a critical task on precision oncology imaging, denoted as universal lesion segmentation (ULS). Manual annotation is the…

图像与视频处理 · 电气工程与系统科学 2021-05-05 Youbao Tang , Jinzheng Cai , Ke Yan , Lingyun Huang , Guotong Xie , Jing Xiao , Jingjing Lu , Gigin Lin , Le Lu

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…

图像与视频处理 · 电气工程与系统科学 2023-02-20 Pallabi Dutta , Sushmita Mitra

Lesion segmentation in medical imaging serves as an effective tool for assessing tumor sizes and monitoring changes in growth. However, not only is manual lesion segmentation time-consuming, but it is also expensive and requires expert…

计算机视觉与模式识别 · 计算机科学 2020-01-28 Vatsal Agarwal , Youbao Tang , Jing Xiao , Ronald M. Summers

The coronavirus disease 2019 (COVID-19) continues to have a negative impact on healthcare systems around the world, though the vaccines have been developed and national vaccination coverage rate is steadily increasing. At the current stage,…

图像与视频处理 · 电气工程与系统科学 2022-09-08 Runmin Cong , Yumo Zhang , Ning Yang , Haisheng Li , Xueqi Zhang , Ruochen Li , Zewen Chen , Yao Zhao , Sam Kwong

As an essential indicator for cancer progression and treatment response, tumor size is often measured following the response evaluation criteria in solid tumors (RECIST) guideline in CT slices. By marking each lesion with its longest axis…

计算机视觉与模式识别 · 计算机科学 2023-03-02 Lianyu Zhou , Dong Wei , Donghuan Lu , Wei Xue , Liansheng Wang , Yefeng Zheng

Detection of diseases through medical imaging is preferred due to its non-invasive nature. Medical imaging supports multiple modalities of data that enable a thorough and quick look inside a human body. However, interpreting imaging data is…

图像与视频处理 · 电气工程与系统科学 2022-08-11 Suvarna Kadam , Vinay G. Vaidya

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…

图像与视频处理 · 电气工程与系统科学 2021-11-22 Weiyi Xie , Colin Jacobs , Jean-Paul Charbonnier , Bram van Ginneken

Chest computed tomography (CT) has played an essential diagnostic role in assessing patients with COVID-19 by showing disease-specific image features such as ground-glass opacity and consolidation. Image segmentation methods have proven to…

图像与视频处理 · 电气工程与系统科学 2021-07-26 Seong Tae Kim , Leili Goli , Magdalini Paschali , Ashkan Khakzar , Matthias Keicher , Tobias Czempiel , Egon Burian , Rickmer Braren , Nassir Navab , Thomas Wendler

Analysis of chest CT scans can be used in detecting parts of lungs that are affected by infectious diseases such as COVID-19.Determining the volume of lungs affected by lesions is essential for formulating treatment recommendations and…

The novel coronavirus disease 2019 (COVID-19) characterized by atypical pneumonia has caused millions of deaths worldwide. Automatically segmenting lesions from chest Computed Tomography (CT) is a promising way to assist doctors in COVID-19…

图像与视频处理 · 电气工程与系统科学 2021-07-09 Yanwen Li , Luyang Luo , Huangjing Lin , Hao Chen , Pheng-Ann Heng

A novel coronavirus disease 2019 (COVID-19) was detected and has spread rapidly across various countries around the world since the end of the year 2019, Computed Tomography (CT) images have been used as a crucial alternative to the…

图像与视频处理 · 电气工程与系统科学 2020-04-28 Qingsen Yan , Bo Wang , Dong Gong , Chuan Luo , Wei Zhao , Jianhu Shen , Qinfeng Shi , Shuo Jin , Liang Zhang , Zheng You