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The COVID-19 pandemic has had a considerable impact on day-to-day life. Tackling the disease by providing the necessary resources to the affected is of paramount importance. However, estimation of the required resources is not a trivial…

图像与视频处理 · 电气工程与系统科学 2022-05-11 Sai Vidyaranya Nuthalapati , Marcela Vizcaychipi , Pallav Shah , Piotr Chudzik , Chee Hau Leow , Paria Yousefi , Ahmed Selim , Keiran Tait , Ben Irving

Computed Tomography (CT) is widely used in healthcare for detailed imaging. However, Low-dose CT, despite reducing radiation exposure, often results in images with compromised quality due to increased noise. Traditional methods, including…

图像与视频处理 · 电气工程与系统科学 2024-09-17 Herman Verinaz-Jadan , Su Yan

Changes in cardiovascular hemodynamics are closely related to the development of aortic regurgitation, a type of valvular heart disease. Metrics derived from blood flows are used to indicate aortic regurgitation onset and evaluate its…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Derek Long , Cameron McMurdo , Edward Ferdian , Charlene A. Mauger , David Marlevi , Alistair A. Young , Martyn P. Nash

Background and Objective: Vital sign monitoring in the Intensive Care Unit (ICU) is crucial for enabling prompt interventions for patients. This underscores the need for an accurate predictive system. Therefore, this study proposes a novel…

机器学习 · 计算机科学 2024-04-05 Ping Chang , Huayu Li , Stuart F. Quan , Shuyang Lu , Shu-Fen Wung , Janet Roveda , Ao Li

This project intends to study a cardiovascular disease risk early warning model based on one-dimensional convolutional neural networks. First, the missing values of 13 physiological and symptom indicators such as patient age, blood glucose,…

机器学习 · 计算机科学 2024-06-14 Yuxiang Hu , Jinxin Hu , Ting Xu , Bo Zhang , Jiajie Yuan , Haozhang Deng

Resolving arterial flows is essential for understanding cardiovascular pathologies, improving diagnosis, and monitoring patient condition. Ultrasound contrast imaging uses microbubbles to enhance the scattering of the blood pool, allowing…

Background: Non-invasive imaging-based assessment of blood flow plays a critical role in evaluating heart function and structure. Computed Tomography (CT) is a widely-used imaging modality that can robustly evaluate cardiovascular anatomy…

图像与视频处理 · 电气工程与系统科学 2025-11-07 Jinyuxuan Guo , Gurnoor Singh Khurana , Alejandro Gonzalo Grande , Juan C. del Alamo , Francisco Contijoch

Analysing coronary artery plaque segments with respect to their functional significance and therefore their influence to patient management in a non-invasive setup is an important subject of current research. In this work we compare and…

图像与视频处理 · 电气工程与系统科学 2019-12-16 Felix Denzinger , Michael Wels , Katharina Breininger , Anika Reidelshöfer , Joachim Eckert , Michael Sühling , Axel Schmermund , Andreas Maier

This work proposes an unsupervised fusion framework based on deep convolutional transform learning. The great learning ability of convolutional filters for data analysis is well acknowledged. The success of convolutive features owes to…

机器学习 · 计算机科学 2020-11-10 Pooja Gupta , Jyoti Maggu , Angshul Majumdar , Emilie Chouzenoux , Giovanni Chierchia

Deep-learning (DL)-based methods have shown significant promise in denoising myocardial perfusion SPECT images acquired at low dose. For clinical application of these methods, evaluation on clinical tasks is crucial. Typically, these…

图像与视频处理 · 电气工程与系统科学 2023-03-02 Md Ashequr Rahman , Zitong Yu , Barry A. Siegel , Abhinav K. Jha

Computed tomography perfusion (CTP) at admission is routinely used to estimate the ischemic core and penumbra, while follow-up diffusion-weighted MRI (DWI) provides the definitive infarct outcome. However, single time-point segmentations…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Md Sazidur Rahman , Kjersti Engan , Kathinka Dæhli Kurz , Mahdieh Khanmohammadi

The Thrombolysis in Cerebral Infarction (TICI) score is an important metric for reperfusion therapy assessment in acute ischemic stroke. It is commonly used as a technical outcome measure after endovascular treatment (EVT). Existing TICI…

Background: Pleural Effusions (PE) is a common finding in many different clinical conditions, but accurately measuring their volume from CT scans is challenging. Purpose: To improve PE segmentation and quantification for enhanced clinical…

图像与视频处理 · 电气工程与系统科学 2025-10-07 Sanhita Basu , Tomas Fröding , Ali Teymur Kahraman , Dimitris Toumpanakis , Tobias Sjöblom

Electroanatomic mapping as routinely acquired in ablation therapy of ventricular tachycardia is the gold standard method to identify the arrhythmogenic substrate. To reduce the acquisition time and still provide maps with high spatial…

Background: Daily or weekly cone-beam computed tomography (CBCT) scans are commonly used for accurate patient positioning during the image-guided radiotherapy (IGRT) process, making it an ideal option for adaptive radiotherapy (ART)…

In this report, I investigate the use of end-to-end deep residual learning with dilated convolutions for myocardial infarction (MI) detection and localization from electrocardiogram (ECG) signals. Although deep residual learning has already…

图像与视频处理 · 电气工程与系统科学 2019-10-01 Iván López-Espejo

This paper addresses the problem of high-resolution Doppler blood flow estimation from an ultrafast sequence of ultrasound images. Formulating the separation of clutter and blood components as an inverse problem has been shown in the…

图像与视频处理 · 电气工程与系统科学 2020-07-13 Duong-Hung Pham , Adrian Basarab , Ilyess Zemmoura , Jean-Pierre Remenieras , Denis Kouame

Objective: Blood transfusions, crucial in managing anemia and coagulopathy in ICU settings, require accurate prediction for effective resource allocation and patient risk assessment. However, existing clinical decision support systems have…

Functionally significant coronary artery disease (CAD) is caused by plaque buildup in the coronary arteries, potentially leading to narrowing of the arterial lumen, i.e. coronary stenosis, that significantly obstructs blood flow to the…

图像与视频处理 · 电气工程与系统科学 2023-08-10 Nils Hampe , Sanne G. M. van Velzen , Jean-Paul Aben , Carlos Collet , Ivana Išgum

Cardiovascular diseases (CVDs) are the leading cause of death worldwide, with blood pressure serving as a crucial indicator. Arterial blood pressure (ABP) waveforms provide continuous pressure measurements throughout the cardiac cycle and…

机器学习 · 计算机科学 2024-03-01 Lingfeng Li , Xue-Cheng Tai , Raymond Chan