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Purpose: In multi-spectral imaging (MSI), several fast spin echo volumes with discrete Larmor frequency offsets are acquired in an interleaved fashion with multiple concatenations. Here, a variable resolution (VR) method to nearly halve…

医学物理 · 物理学 2023-06-06 Nikolai J. Mickevicius , Azadeh Sharafi , Andrew S. Nencka , Kevin M. Koch

Accurate segmentation of coronary arteries from computed tomography angiography (CTA) images is of paramount clinical importance for the diagnosis and treatment planning of cardiovascular diseases. However, coronary artery segmentation…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Xiaochan Yuan , Pai Zeng

Background: Increased pericardial adipose tissue (PAT) is associated with many types of cardiovascular disease (CVD). Although cardiac magnetic resonance images (CMRI) are often acquired in patients with CVD, there are currently no tools to…

图像与视频处理 · 电气工程与系统科学 2022-11-10 Zhuoyu Li , Camille Petri , James Howard , Graham Cole , Marta Varela

Cardiovascular magnetic resonance imaging is emerging as a crucial tool to examine cardiac morphology and function. Essential to this endeavour are anatomical 3D surface and volumetric meshes derived from CMR images, which facilitate…

The assessment of the blood volume is crucial for the management of many acute and chronic diseases. Recent studies have shown that circulating blood volume correlates with the cross-sectional area (CSA) of the internal jugular vein (IJV)…

图像与视频处理 · 电气工程与系统科学 2018-03-15 Ebrahim Karami , Mohamed Shehata , Peter McGuire , Andrew Smith

Accurate segmentation of the pelvic CTs is crucial for the clinical diagnosis of pelvic bone diseases and for planning patient-specific hip surgeries. With the emergence and advancements of deep learning for digital healthcare, several…

图像与视频处理 · 电气工程与系统科学 2021-01-28 Prabhakara Subramanya Jois , Aniketh Manjunath , Thomas Fevens

Four-dimensional (4D) left ventricular myocardial velocity mapping (MVM) is a cardiac magnetic resonance (CMR) technique that allows assessment of cardiac motion in three orthogonal directions. Accurate and reproducible delineation of the…

图像与视频处理 · 电气工程与系统科学 2020-12-23 Yinzhe Wu , Suzan Hatipoglu , Diego Alonso-Álvarez , Peter Gatehouse , David Firmin , Jennifer Keegan , Guang Yang

The 3D volumetric shape of the heart's left ventricle (LV) myocardium (MYO) wall provides important information for diagnosis of cardiac disease and invasive procedure navigation. Many cardiac image segmentation methods have relied on…

计算机视觉与模式识别 · 计算机科学 2021-02-23 Meng Ye , Qiaoying Huang , Dong Yang , Pengxiang Wu , Jingru Yi , Leon Axel , Dimitris Metaxas

The morphological structure of left ventricle segmented from cardiac magnetic resonance images can be used to calculate key clinical parameters, and it is of great significance to the accurate and efficient diagnosis of cardiovascular…

计算机视觉与模式识别 · 计算机科学 2018-09-28 Han Kang , Defeng Chen

In the isointense stage, the accurate volumetric image segmentation is a challenging task due to the low contrast between tissues. In this paper, we propose a novel very deep network architecture based on a densely convolutional network for…

计算机视觉与模式识别 · 计算机科学 2017-09-15 Toan Duc Bui , Jitae Shin , Taesup Moon

Purpose: The goal of this study was to assess the potential added benefit of accounting for partial volume effects (PVE) in an automatic coronary lumen segmentation algorithm from coronary computed tomography angiography (CCTA). Materials…

图像与视频处理 · 电气工程与系统科学 2019-06-25 Moti Freiman , Hannes Nickisch , Sven Prevrhal , Holger Schmitt , Mani Vembar , Pál Maurovich-Horvat , Patrick Donnelly , Liran Goshen

Echocardiography has become an indispensable clinical imaging modality for general heart health assessment. From calculating biomarkers such as ejection fraction to the probability of a patient's heart failure, accurate segmentation of the…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Fadillah Maani , Asim Ukaye , Nada Saadi , Numan Saeed , Mohammad Yaqub

In this work, we present a memory-efficient fully convolutional network (FCN) incorporated with several memory-optimized techniques to reduce the run-time GPU memory demand during training phase. In medical image segmentation tasks,…

图像与视频处理 · 电气工程与系统科学 2020-03-25 Chenglong Wang , Masahiro Oda , Kensaku Mori

The segmentation and analysis of coronary arteries from intravascular optical coherence tomography (IVOCT) is an important aspect of diagnosing and managing coronary artery disease. Current image processing methods are hindered by the time…

机器学习 · 计算机科学 2021-04-20 Arjun Balaji , Lachlan Kelsey , Kamran Majeed , Carl Schultz , Barry Doyle

Neural image compression (NIC) has received considerable attention due to its significant advantages in feature representation and data optimization. However, most existing NIC methods for volumetric medical images focus solely on improving…

图像与视频处理 · 电气工程与系统科学 2024-12-13 Jietao Chen , Weijie Chen , Qianjian Xing , Feng Yu

Image segmentation is pivotal in medical image analysis, facilitating clinical diagnosis, treatment planning, and disease evaluation. Deep learning has significantly advanced automatic segmentation methodologies by providing superior…

图像与视频处理 · 电气工程与系统科学 2026-01-22 Zhengyong Huang , Ning Jiang , Xingwen Sun , Lihua Zhang , Peng Chen , Jens Domke , Yao Sui

Microvascular anatomy is known to be involved in various neurological disorders. However, understanding these disorders is hindered by the lack of imaging modalities capable of capturing the comprehensive three-dimensional vascular network…

图像与视频处理 · 电气工程与系统科学 2024-07-02 Etienne Chollet , Yaël Balbastre , Chiara Mauri , Caroline Magnain , Bruce Fischl , Hui Wang

Cardiovascular disease (CVD) is the leading cause of death worldwide, and myocardial perfusion imaging using SPECT has been widely used in the diagnosis of CVDs. The GE 530/570c dedicated cardiac SPECT scanners adopt a stationary geometry…

图像与视频处理 · 电气工程与系统科学 2023-07-25 Huidong Xie , Bo Zhou , Xiongchao Chen , Xueqi Guo , Stephanie Thorn , Yi-Hwa Liu , Ge Wang , Albert Sinusas , Chi Liu

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