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This study established a feature-enhanced adversarial semi-supervised semantic segmentation model to automatically annotate pulmonary embolism lesion areas in computed tomography pulmonary angiogram (CTPA) images. In current studies, all of…

图像与视频处理 · 电气工程与系统科学 2022-04-12 Ting-Wei Cheng , Jerry Chang , Ching-Chun Huang , Chin Kuo , Yun-Chien Cheng

The increasing reliance on Computed Tomography Pulmonary Angiography (CTPA) for Pulmonary Embolism (PE) diagnosis presents challenges and a pressing need for improved diagnostic solutions. The primary objective of this study is to leverage…

Pulmonary embolism (PE) represents a thrombus ("blood clot"), usually originating from a lower extremity vein, that travels to the blood vessels in the lung, causing vascular obstruction and in some patients, death. This disorder is…

图像与视频处理 · 电气工程与系统科学 2021-09-16 Nahid Ul Islam , Shiv Gehlot , Zongwei Zhou , Michael B Gotway , Jianming Liang

Pulmonary embolism (PE) is a life-threatening condition where rapid and accurate diagnosis is imperative yet difficult due to predominantly atypical symptomatology. Computed tomography pulmonary angiography (CTPA) is acknowledged as the…

图像与视频处理 · 电气工程与系统科学 2024-07-17 Bizhe Bai , Yan-Jie Zhou , Yujian Hu , Tony C. W. Mok , Yilang Xiang , Le Lu , Hongkun Zhang , Minfeng Xu

Semantic segmentation is an important task for intelligent vehicles to understand the environment. Current deep learning methods require large amounts of labeled data for training. Manual annotation is expensive, while simulators can…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Weihao Yan , Yeqiang Qian , Chunxiang Wang , Ming Yang

Deep learning models trained on medical images from a source domain (e.g. imaging modality) often fail when deployed on images from a different target domain, despite imaging common anatomical structures. Deep unsupervised domain adaptation…

图像与视频处理 · 电气工程与系统科学 2019-08-14 Cheng Ouyang , Konstantinos Kamnitsas , Carlo Biffi , Jinming Duan , Daniel Rueckert

Pulmonary Embolisms (PE) represent a leading cause of cardiovascular death. While medical imaging, through computed tomographic pulmonary angiography (CTPA), represents the gold standard for PE diagnosis, it is still susceptible to…

图像与视频处理 · 电气工程与系统科学 2024-05-20 Florin Condrea , Saikiran Rapaka , Lucian Itu , Puneet Sharma , Jonathan Sperl , A Mohamed Ali , Marius Leordeanu

With the widespread success of deep learning in biomedical image segmentation, domain shift becomes a critical and challenging problem, as the gap between two domains can severely affect model performance when deployed to unseen data with…

计算机视觉与模式识别 · 计算机科学 2021-03-04 Ping Gong , Wenwen Yu , Qiuwen Sun , Ruohan Zhao , Junfeng Hu

Unsupervised domain adaptation (UDA) methods have been broadly utilized to improve the models' adaptation ability in general computer vision. However, different from the natural images, there exist huge semantic gaps for the nuclei from…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Canran Li , Dongnan Liu , Haoran Li , Zheng Zhang , Guangming Lu , Xiaojun Chang , Weidong Cai

Nowadays, pulmonary Computed Tomography Angiography (CTA) is the main tool for detecting Pulmonary Embolism (PE). However, manual interpretation of CTA volume requires a radiologist, which is time-consuming and error-prone due to the…

图像与视频处理 · 电气工程与系统科学 2023-12-05 Seyed Hesamoddin Hosseini , Amir Hossein Taherinia , Mahdi Saadatmand

Automated methods for detecting pulmonary embolisms (PEs) on CT pulmonary angiography (CTPA) images are of high demand. Existing methods typically employ separate steps for PE candidate detection and false positive removal, without…

计算机视觉与模式识别 · 计算机科学 2021-11-11 Yi Lin , Jianchao Su , Xiang Wang , Xiang Li , Jingen Liu , Kwang-Ting Cheng , Xin Yang

Rationale: Computer aided detection (CAD) algorithms for Pulmonary Embolism (PE) algorithms have been shown to increase radiologists' sensitivity with a small increase in specificity. However, CAD for PE has not been adopted into clinical…

Deep learning models are sensitive to domain shift phenomena. A model trained on images from one domain cannot generalise well when tested on images from a different domain, despite capturing similar anatomical structures. It is mainly…

计算机视觉与模式识别 · 计算机科学 2021-03-16 Sulaiman Vesal , Mingxuan Gu , Ronak Kosti , Andreas Maier , Nishant Ravikumar

Unsupervised domain adaptation (UDA) aims to align the labelled source distribution with the unlabelled target distribution to obtain domain-invariant predictive models. Since cross-modality medical data exhibit significant intra and…

计算机视觉与模式识别 · 计算机科学 2024-02-26 Fengming Lin , Yan Xia , Michael MacRaild , Yash Deo , Haoran Dou , Qiongyao Liu , Kun Wu , Nishant Ravikumar , Alejandro F. Frangi

This study was conducted to develop a computer-aided detection (CAD) system for triaging patients with pulmonary embolism (PE). The purpose of the system was to reduce the death rate during the waiting period. Computed tomography pulmonary…

图像与视频处理 · 电气工程与系统科学 2022-04-08 Ching-Yuan Yu , Ming-Che Chang , Yun-Chien Cheng , Chin Kuo

While deep learning methods hitherto have achieved considerable success in medical image segmentation, they are still hampered by two limitations: (i) reliance on large-scale well-labeled datasets, which are difficult to curate due to the…

图像与视频处理 · 电气工程与系统科学 2022-12-06 Ziyuan Zhao , Fangcheng Zhou , Kaixin Xu , Zeng Zeng , Cuntai Guan , S. Kevin Zhou

Pulmonary Embolism (PE) is a life-threatening disorder associated with high mortality and morbidity. Prompt diagnosis and immediate initiation of therapeutic action is important. We explored a deep learning model to detect PE on volumetric…

图像与视频处理 · 电气工程与系统科学 2020-06-02 Luyao Shi , Deepta Rajan , Shafiq Abedin , Manikanta Srikar Yellapragada , David Beymer , Ehsan Dehghan

Unsupervised domain adaptation for medical image segmentation remains a significant challenge due to substantial domain shifts across imaging modalities, such as CT and MRI. While recent vision-language representation learning methods have…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Lalit Maurya , Honghai Liu , Reyer Zwiggelaar

Unsupervised Domain Adaptation (UDA) for semantic segmentation has been favorably applied to real-world scenarios in which pixel-level labels are hard to be obtained. In most of the existing UDA methods, all target data are assumed to be…

计算机视觉与模式识别 · 计算机科学 2021-10-12 Joonhyuk Kim , Sahng-Min Yoo , Gyeong-Moon Park , Jong-Hwan Kim

Deep learning-based Computer-Aided Diagnosis (CAD) has attracted appealing attention in academic researches and clinical applications. Nevertheless, the Convolutional Neural Networks (CNNs) diagnosis system heavily relies on the…

图像与视频处理 · 电气工程与系统科学 2022-09-22 Yumin Zhang , Yawen Hou , Xiuyi Chen , Hongyuan Yu , Long Xia
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