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Automatic and accurate segmentation of the ventricles and myocardium from multi-sequence cardiac MRI (CMR) is crucial for the diagnosis and treatment management for patients suffering from myocardial infarction (MI). However, due to the…

图像与视频处理 · 电气工程与系统科学 2019-10-29 Jiexiang Wang , Hongyu Huang , Chaoqi Chen , Wenao Ma , Yue Huang , Xinghao Ding

The purpose of this study is to develop an automated algorithm for thoracic vertebral segmentation on chest radiography using deep learning. 124 de-identified lateral chest radiographs on unique patients were obtained. Segmentations of…

图像与视频处理 · 电气工程与系统科学 2020-01-07 Sanket Badhe , Varun Singh , Joy Li , Paras Lakhani

Biomedical image segmentation plays a significant role in computer-aided diagnosis. However, existing CNN based methods rely heavily on massive manual annotations, which are very expensive and require huge human resources. In this work, we…

计算机视觉与模式识别 · 计算机科学 2023-01-13 Ruifei Zhang , Sishuo Liu , Yizhou Yu , Guanbin Li

Multi-sequence cardiac magnetic resonance (CMR) provides essential pathology information (scar and edema) to diagnose myocardial infarction. However, automatic pathology segmentation can be challenging due to the difficulty of effectively…

图像与视频处理 · 电气工程与系统科学 2022-01-17 Kai-Ni Wang , Xin Yang , Juzheng Miao , Lei Li , Jing Yao , Ping Zhou , Wufeng Xue , Guang-Quan Zhou , Xiahai Zhuang , Dong Ni

Cardiac Magnetic Resonance imaging (CMR) is the gold standard for assessing cardiac function. Segmenting the left ventricle (LV), right ventricle (RV), and LV myocardium (MYO) in CMR images is crucial but time-consuming. Deep learning-based…

图像与视频处理 · 电气工程与系统科学 2023-09-06 Zihao Chen , Xiao Chen , Yikang Liu , Eric Z. Chen , Terrence Chen , Shanhui Sun

Training deep convolutional neural networks usually requires a large amount of labeled data. However, it is expensive and time-consuming to annotate data for medical image segmentation tasks. In this paper, we present a novel…

计算机视觉与模式识别 · 计算机科学 2019-07-17 Lequan Yu , Shujun Wang , Xiaomeng Li , Chi-Wing Fu , Pheng-Ann Heng

Accurate computing, analysis and modeling of the ventricles and myocardium from medical images are important, especially in the diagnosis and treatment management for patients suffering from myocardial infarction (MI). Late gadolinium…

Functional analysis of the left atrium (LA) plays an increasingly important role in the prognosis and diagnosis of cardiovascular diseases. Echocardiography-based measurements of LA dimensions and strains are useful biomarkers, but they…

图像与视频处理 · 电气工程与系统科学 2023-09-06 Christoforos Galazis , Anil Anthony Bharath , Marta Varela

Atrial Fibrillation (AF) is characterized by disorganised electrical activity in the atria and is known to be sustained by the presence of regions of fibrosis (scars) or functional cellular remodeling, both of which may lead to areas of…

Anatomical and biophysical modeling of left atrium (LA) and proximal pulmonary veins (PPVs) is important for clinical management of several cardiac diseases. Magnetic resonance imaging (MRI) allows qualitative assessment of LA and PPVs…

计算机视觉与模式识别 · 计算机科学 2017-05-23 Aliasghar Mortazi , Rashed Karim , Kawal Rhode , Jeremy Burt , Ulas Bagci

Accurate segmentation of tumors and adjacent normal tissues in medical images is essential for surgical planning and tumor staging. Although foundation models generally perform well in segmentation tasks, they often struggle to focus on…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Kai Han , Siqi Ma , Chengxuan Qian , Jun Chen , Chongwen Lyu , Yuqing Song , Zhe Liu

Segmentation and labeling of vertebrae in MRI images of the spine are critical for the diagnosis of illnesses and abnormalities. These steps are indispensable as MRI technology provides detailed information about the tissue structure of the…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Rikathi Pal , Priya Saha , Somoballi Ghoshal , Amlan Chakrabarti , Susmita Sur-Kolay

Atrial Fibrillation (AF) is a common electro-physiological cardiac disorder that causes changes in the anatomy of the atria. A better characterization of these changes is desirable for the definition of clinical biomarkers, furthermore,…

机器学习 · 统计学 2018-09-28 Nicoló Savioli , Giovanni Montana , Pablo Lamata

Purpose: To develop DarkSPARC, a retrospective, training-free, self-calibrated spectral reconstruction method that converts routine bright-blood 3D left atrial (LA) late gadolinium enhancement (LGE) MRI into a dark-blood image, and to…

医学物理 · 物理学 2025-12-16 Mohammed S. M. Elbaz

Segmentation of the left atrium and deriving its size can help to predict and detect various cardiovascular conditions. Automation of this process in 3D Ultrasound image data is desirable, since manual delineations are time-consuming,…

计算机视觉与模式识别 · 计算机科学 2019-04-19 Markus A. Degel , Nassir Navab , Shadi Albarqouni

This study's objective was to segment spinal metastases in diagnostic MR images using a deep learning-based approach. Segmentation of such lesions can present a pivotal step towards enhanced therapy planning and validation, as well as…

图像与视频处理 · 电气工程与系统科学 2020-01-29 Georg Hille , Johannes Steffen , Max Dünnwald , Mathias Becker , Sylvia Saalfeld , Klaus Tönnies

Right ventricular (RV) segmentation from magnetic resonance imaging (MRI) is a crucial step for cardiac morphology and function analysis. However, automatic RV segmentation from MRI is still challenging, mainly due to the heterogeneous…

图像与视频处理 · 电气工程与系统科学 2021-09-07 Lei Li , Wangbin Ding , Liqun Huang , Xiahai Zhuang

Automatic melanoma segmentation in dermoscopic images is essential in computer-aided diagnosis of skin cancer. Existing methods may suffer from the hole and shrink problems with limited segmentation performance. To tackle these issues, we…

计算机视觉与模式识别 · 计算机科学 2020-01-14 Xiaoqing Guo , Zhen Chen , Yixuan Yuan

Image segmentation plays an essential role in medicine for both diagnostic and interventional tasks. Segmentation approaches are either manual, semi-automated or fully-automated. Manual segmentation offers full control over the quality of…