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Related papers: Unsupervised COVID-19 Lesion Segmentation in CT Us…

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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

Medical image translation is an ill-posed problem. Unlike existing paired unbounded unidirectional translation networks, in this paper, we consider unpaired medical images and provide a strictly bounded network that yields a stable…

Image and Video Processing · Electrical Eng. & Systems 2023-11-07 Swati Rai , Jignesh S. Bhatt , Sarat Kumar Patra

In this paper we consider the problem of unsupervised anomaly segmentation in medical images, which has attracted increasing attention in recent years due to the expensive pixel-level annotations from experts and the existence of a large…

Image and Video Processing · Electrical Eng. & Systems 2021-12-20 Raunak Dey , Wenbo Sun , Haibo Xu , Yi Hong

Coronavirus disease 2019 (COVID-19) has been the main agenda of the whole world, since it came into sight in December 2019 as it has significantly affected the world economy and healthcare system. Given the effects of COVID-19 on pulmonary…

The outbreak of the corona virus disease (COVID-19) has changed the lives of most people on Earth. Given the high prevalence of this disease, its correct diagnosis in order to quarantine patients is of the utmost importance in steps of…

Image and Video Processing · Electrical Eng. & Systems 2021-04-27 Navid Ghassemi , Afshin Shoeibi , Marjane Khodatars , Jonathan Heras , Alireza Rahimi , Assef Zare , Ram Bilas Pachori , J. Manuel Gorriz

The identification of lesion within medical image data is necessary for diagnosis, treatment and prognosis. Segmentation and classification approaches are mainly based on supervised learning with well-paired image-level or voxel-level…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Liyan Sun , Jiexiang Wang , Yue Huang , Xinghao Ding , Hayit Greenspan , John Paisley

This paper presents a new approach for effective segmentation of images that can be integrated into any model and methodology; the paradigm that we choose is classification of medical images (3-D chest CT scans) for Covid-19 detection. Our…

Image and Video Processing · Electrical Eng. & Systems 2024-07-25 Dimitrios Kollias , Anastasios Arsenos , James Wingate , Stefanos Kollias

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

Instance segmentation for unlabeled imaging modalities is a challenging but essential task as collecting expert annotation can be expensive and time-consuming. Existing works segment a new modality by either deploying a pre-trained model…

Computer Vision and Pattern Recognition · Computer Science 2022-04-08 Leander Lauenburg , Zudi Lin , Ruihan Zhang , Márcia dos Santos , Siyu Huang , Ignacio Arganda-Carreras , Edward S. Boyden , Hanspeter Pfister , Donglai Wei

The usage of convolutional neural networks (CNNs) for unsupervised image segmentation was investigated in this study. In the proposed approach, label prediction and network parameter learning are alternately iterated to meet the following…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Wonjik Kim , Asako Kanezaki , Masayuki Tanaka

Existing deep learning-based approaches for histopathology image analysis require large annotated training sets to achieve good performance; but annotating histopathology images is slow and resource-intensive. Conditional generative…

Image and Video Processing · Electrical Eng. & Systems 2021-10-29 Sujata Butte , Haotian Wang , Min Xian , Aleksandar Vakanski

This study introduces an innovative application of Conditional Generative Adversarial Networks (C-GAN) integrated with Stacked Hourglass Networks (SHGN) aimed at enhancing image segmentation, particularly in the challenging environment of…

Image and Video Processing · Electrical Eng. & Systems 2024-08-06 Haowei Yang , Yuxiang Hu , Shuyao He , Ting Xu , Jiajie Yuan , Xingxin Gu

LDCT has drawn major attention in the medical imaging field due to the potential health risks of CT-associated X-ray radiation to patients. Reducing the radiation dose, however, decreases the quality of the reconstructed images, which…

Image and Video Processing · Electrical Eng. & Systems 2022-04-19 Zhizhong Huang , Junping Zhang , Yi Zhang , Hongming Shan

Deep learning based pan-sharpening has received significant research interest in recent years. Most of existing methods fall into the supervised learning framework in which they down-sample the multi-spectral (MS) and panchromatic (PAN)…

Computer Vision and Pattern Recognition · Computer Science 2022-06-15 Huanyu Zhou , Qingjie Liu , Dawei Weng , Yunhong Wang

The automatic assignment of a severity score to the CT scans of patients affected by COVID-19 pneumonia could reduce the workload in radiology departments. This study aims at exploiting Artificial intelligence (AI) for the identification,…

The synthesis of computed tomography (CT) from magnetic resonance imaging (MRI) and cone-beam CT (CBCT) plays a critical role in clinical treatment planning by enabling accurate anatomical representation in adaptive radiotherapy. In this…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Siyuan Mei , Yan Xia , Fuxin Fan , Andreas Maier

Automated and accurate segmentations of left atrium (LA) and atrial scars from late gadolinium-enhanced cardiac magnetic resonance (LGE CMR) images are in high demand for quantifying atrial scars. The previous quantification of atrial scars…

Image and Video Processing · Electrical Eng. & Systems 2021-05-04 Jun Chen , Guang Yang , Habib Khan , Heye Zhang , Yanping Zhang , Shu Zhao , Raad Mohiaddin , Tom Wong , David Firmin , Jennifer Keegan

Ischemic stroke is a time-critical medical emergency where rapid diagnosis is essential for improving patient outcomes. Non-contrast computed tomography (NCCT) serves as the frontline imaging tool, yet it often fails to reveal the subtle…

Computer Vision and Pattern Recognition · Computer Science 2026-02-13 Maria Thoma , Michalis A. Savelonas , Dimitris K. Iakovidis

Automated medical image analysis has a significant value in diagnosis and treatment of lesions. Brain tumors segmentation has a special importance and difficulty due to the difference in appearances and shapes of the different tumor regions…

Computer Vision and Pattern Recognition · Computer Science 2017-08-18 Mina Rezaei , Konstantin Harmuth , Willi Gierke , Thomas Kellermeier , Martin Fischer , Haojin Yang , Christoph Meinel

Automated and accurate segmentation of the infected regions in computed tomography (CT) images is critical for the prediction of the pathological stage and treatment response of COVID-19. Several deep convolutional neural networks (DCNNs)…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Haozhe Jia , Haoteng Tang , Guixiang Ma , Weidong Cai , Heng Huang , Liang Zhan , Yong Xia