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Cardiovascular magnetic resonance (CMR) is the gold standard for assessing cardiac function, but individual cardiac cycles complicate automatic temporal comparison or sub-phase analysis. Accurate cardiac keyframe detection can eliminate…

Left ventricular ejection fraction (LVEF) is the most important clinical parameter of cardiovascular function. The accuracy in estimating this parameter is highly dependent upon the precise segmentation of the left ventricle (LV) structure…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Narjes Benameur , Ramzi Mahmoudi , Mohamed Deriche , Amira fayouka , Imene Masmoudi , Nessrine Zoghlami

We propose a novel multi-stage trans-dimensional architecture for multi-view cardiac image segmentation. Our method exploits the relationship between long-axis (2D) and short-axis (3D) magnetic resonance (MR) images to perform a sequential…

图像与视频处理 · 电气工程与系统科学 2024-04-26 Abbas Khan , Muhammad Asad , Martin Benning , Caroline Roney , Gregory Slabaugh

Physiological signals, such as the electrocardiogram and the phonocardiogram are very often corrupted by noisy sources. Usually, artificial intelligent algorithms analyze the signal regardless of its quality. On the other hand, physicians…

信号处理 · 电气工程与系统科学 2023-04-25 Jorge Oliveira , Margarida Carvalho , Diogo Marcelo Nogueira , Miguel Coimbra

Importance: Coronary algorithm for cardiac sub structures and prospective real-time surveillance of cardiac dose exposure. Methods: Retro and prospective study to validate AI auto-segmentation. A 3D UNet was trained on 560 thoracic CT scans…

Deep learning methods for classifying medical images have demonstrated impressive accuracy in a wide range of tasks but often these models are hard to interpret, limiting their applicability in clinical practice. In this work we introduce a…

图像与视频处理 · 电气工程与系统科学 2019-08-13 James R. Clough , Ilkay Oksuz , Esther Puyol-Anton , Bram Ruijsink , Andrew P. King , Julia A. Schnabel

Alterations in the geometry and function of the heart define well-established causes of cardiovascular disease. However, current approaches to the diagnosis of cardiovascular diseases often rely on subjective human assessment as well as…

Cardiac segmentation of atriums, ventricles, and myocardium in computed tomography (CT) images is an important first-line task for presymptomatic cardiovascular disease diagnosis. In several recent studies, deep learning models have shown…

图像与视频处理 · 电气工程与系统科学 2024-10-01 Sanguk Park , Minyoung Chung

Cardiovascular (CV) diseases are the leading cause of death in the world, and auscultation is typically an essential part of a cardiovascular examination. The ability to diagnose a patient based on their heart sounds is a rather difficult…

声音 · 计算机科学 2021-08-10 Erika Bondareva , Jing Han , William Bradlow , Cecilia Mascolo

Cardiac magnetic resonance imaging (MRI) is an essential tool for MRI-guided surgery and real-time intervention. The MRI videos are expected to be segmented on-the-fly in real practice. However, existing segmentation methods would suffer…

图像与视频处理 · 电气工程与系统科学 2019-09-17 Tianchen Wang , Jinjun Xiong , Xiaowei Xu , Meng Jiang , Yiyu Shi , Haiyun Yuan , Meiping Huang , Jian Zhuang

Assessment of cardiovascular disease (CVD) with cine magnetic resonance imaging (MRI) has been used to non-invasively evaluate detailed cardiac structure and function. Accurate segmentation of cardiac structures from cine MRI is a crucial…

图像与视频处理 · 电气工程与系统科学 2021-07-23 Xiaofeng Liu , Fangxu Xing , Hanna K. Gaggin , Weichung Wang , C. -C. Jay Kuo , Georges El Fakhri , Jonghye Woo

Segmenting anatomical structures in medical images has been successfully addressed with deep learning methods for a range of applications. However, this success is heavily dependent on the quality of the image that is being segmented. A…

图像与视频处理 · 电气工程与系统科学 2020-07-06 Ilkay Oksuz , James R. Clough , Bram Ruijsink , Esther Puyol Anton , Aurelien Bustin , Gastao Cruz , Claudia Prieto , Andrew P. King , Julia A. Schnabel

Coronary angiography analysis is a common clinical task performed by cardiologists to diagnose coronary artery disease (CAD) through an assessment of atherosclerotic plaque's accumulation. This study introduces an end-to-end machine…

图像与视频处理 · 电气工程与系统科学 2023-10-30 Muhammad Bilal , Dinis Martinho , Reiner Sim , Adnan Qayyum , Hunaid Vohra , Massimo Caputo , Taofeek Akinosho , Sofiat Abioye , Zaheer Khan , Waleed Niaz , Junaid Qadir

Coronary artery diseases are among the leading causes of mortality worldwide. Timely and accurate diagnosis, facilitated by precise coronary artery segmentation, is pivotal in changing patient outcomes. In the realm of biomedical imaging,…

图像与视频处理 · 电气工程与系统科学 2023-10-17 Shisheng Zhang , Ramtin Gharleghi , Sonit Singh , Arcot Sowmya , Susann Beier

Myocardial infarction (MI) is one of the most common causes of death in the world. Image-based biomarkers commonly used in the clinic, such as ejection fraction, fail to capture more complex patterns in the heart's 3D anatomy and thus limit…

计算机视觉与模式识别 · 计算机科学 2023-07-21 Marcel Beetz , Abhirup Banerjee , Vicente Grau

Accurate whole-heart segmentation is a critical component in the precise diagnosis and interventional planning of cardiovascular diseases. Integrating complementary information from modalities such as computed tomography (CT) and magnetic…

图像与视频处理 · 电气工程与系统科学 2025-11-13 Jierui Qu , Jianchun Zhao

Most existing deep learning-based frameworks for image segmentation assume that a unique ground truth is known and can be used for performance evaluation. This is true for many applications, but not all. Myocardial segmentation of…

计算机视觉与模式识别 · 计算机科学 2021-06-30 Dewen Zeng , Mingqi Li , Yukun Ding , Xiaowei Xu , Qiu Xie , Ruixue Xu , Hongwen Fei , Meiping Huang , Jian Zhuang , Yiyu Shi

The reliable segmentation of retinal vasculature can provide the means to diagnose and monitor the progression of a variety of diseases affecting the blood vessel network, including diabetes and hypertension. We leverage the power of…

图像与视频处理 · 电气工程与系统科学 2019-07-23 Ali Hatamizadeh , Hamid Hosseini , Zhengyuan Liu , Steven D. Schwartz , Demetri Terzopoulos

Automated identification of myocardial scar from late gadolinium enhancement cardiac magnetic resonance images (LGE-CMR) is limited by image noise and artifacts such as those related to motion and partial volume effect. This paper presents…

图像与视频处理 · 电气工程与系统科学 2022-11-14 Jiarui Xing , Shuo Wang , Kenneth C. Bilchick , Amit R. Patel , Miaomiao Zhang

Automatic segmentation of the liver and its lesion is an important step towards deriving quantitative biomarkers for accurate clinical diagnosis and computer-aided decision support systems. This paper presents a method to automatically…