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Many functional and structural neuroimaging studies call for accurate morphometric segmentation of different brain structures starting from image intensity values of MRI scans. Current automatic (multi-) atlas-based segmentation strategies…

图像与视频处理 · 电气工程与系统科学 2019-09-27 Dennis Bontempi , Sergio Benini , Alberto Signoroni , Michele Svanera , Lars Muckli

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

We present a method to address the challenging problem of segmentation of lumbar vertebrae from CT images acquired with varying fields of view. Our method is based on cascaded 3D Fully Convolutional Networks (FCNs) consisting of a…

计算机视觉与模式识别 · 计算机科学 2017-12-06 Rens Janssens , Guodong Zeng , Guoyan Zheng

Accurate segmentation of the ventricles from cardiac magnetic resonance images (CMRIs) is crucial for enhancing the diagnosis and analysis of heart conditions. Deep learning-based segmentation methods have recently garnered significant…

图像与视频处理 · 电气工程与系统科学 2025-03-26 Hong Zheng , Yucheng Chen , Nan Mu , Xiaoning Li

Cardiac structure segmentation plays an important role in medical analysis procedures. Images' blurred boundaries issue always limits the segmentation performance. To address this difficult problem, we presented a novel network structure…

计算机视觉与模式识别 · 计算机科学 2019-07-03 Fei Feng , Jiajia Luo

Medical image segmentation is one of the important tasks of computer-aided diagnosis in medical image analysis. Since most medical images have the characteristics of blurred boundaries and uneven intensity distribution, through existing…

计算机视觉与模式识别 · 计算机科学 2021-06-09 Sixing Yin , Yameng Han , Shufang Li

In this study, we proposed and validated a multi-atlas guided 3D fully convolutional network (FCN) ensemble model (M-FCN) for segmenting brain regions of interest (ROIs) from structural magnetic resonance images (MRIs). One major limitation…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Jiong Wu , Xiaoying Tang

In this paper, we introduce a simple, yet powerful pipeline for medical image segmentation that combines Fully Convolutional Networks (FCNs) with Fully Convolutional Residual Networks (FC-ResNets). We propose and examine a design that takes…

计算机视觉与模式识别 · 计算机科学 2017-02-20 Michal Drozdzal , Gabriel Chartrand , Eugene Vorontsov , Lisa Di Jorio , An Tang , Adriana Romero , Yoshua Bengio , Chris Pal , Samuel Kadoury

Background: Cardiac MRI derived biventricular mass and function parameters, such as end-systolic volume (ESV), end-diastolic volume (EDV), ejection fraction (EF), stroke volume (SV), and ventricular mass (VM) are clinically well…

计算机视觉与模式识别 · 计算机科学 2017-06-15 Hinrich B Winther , Christian Hundt , Bertil Schmidt , Christoph Czerner , Johann Bauersachs , Frank Wacker , Jens Vogel-Claussen

Recent advances in deep learning, like 3D fully convolutional networks (FCNs), have improved the state-of-the-art in dense semantic segmentation of medical images. However, most network architectures require severely downsampling or…

计算机视觉与模式识别 · 计算机科学 2018-06-07 Holger R. Roth , Chen Shen , Hirohisa Oda , Takaaki Sugino , Masahiro Oda , Yuichiro Hayashi , Kazunari Misawa , Kensaku Mori

Transfer learning is widely used for training machine learning models. Here, we study the role of transfer learning for training fully convolutional networks (FCNs) for medical image segmentation. Our experiments show that although transfer…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Davood Karimi , Simon K. Warfield , Ali Gholipour

Precise segmentation of the left ventricle (LV) within cardiac MRI images is a prerequisite for the quantitative measurement of heart function. However, this task is challenging due to the limited availability of labeled data and motion…

计算机视觉与模式识别 · 计算机科学 2018-10-31 Yuanhan Mo , Fangde Liu , Douglas McIlwraith , Guang Yang , Jingqing Zhang , Taigang He , Yike Guo

Deep learning algorithms, in particular 2D and 3D fully convolutional neural networks (FCNs), have rapidly become the mainstream methodology for volumetric medical image segmentation. However, 2D convolutions cannot fully leverage the rich…

图像与视频处理 · 电气工程与系统科学 2019-08-06 Zhuotun Zhu , Chenxi Liu , Dong Yang , Alan Yuille , Daguang Xu

Automatic evaluation of myocardium and pathology plays an important role in the quantitative analysis of patients suffering from myocardial infarction. In this paper, we present a cascaded convolutional neural network framework for…

图像与视频处理 · 电气工程与系统科学 2021-01-01 Jun Ma

Purpose: Echocardiography is commonly used as a non-invasive imaging tool in clinical practice for the assessment of cardiac function. However, delineation of the left ventricle is challenging due to the inherent properties of ultrasound…

We propose two deep neural network architectures for classification of arbitrary-length electrocardiogram (ECG) recordings and evaluate them on the atrial fibrillation (AF) classification data set provided by the PhysioNet/CinC Challenge…

机器学习 · 计算机科学 2018-04-10 Martin Zihlmann , Dmytro Perekrestenko , Michael Tschannen

Fully convolutional networks (FCNs), including UNet and VNet, are widely-used network architectures for semantic segmentation in recent studies. However, conventional FCN is typically trained by the cross-entropy or Dice loss, which only…

图像与视频处理 · 电气工程与系统科学 2021-01-26 Kelei He , Chunfeng Lian , Ehsan Adeli , Jing Huo , Yang Gao , Bing Zhang , Junfeng Zhang , Dinggang Shen

As a basic task in computer vision, semantic segmentation can provide fundamental information for object detection and instance segmentation to help the artificial intelligence better understand real world. Since the proposal of fully…

计算机视觉与模式识别 · 计算机科学 2018-02-14 Jiachi Zhang , Xiaolei Shen , Tianqi Zhuo , Hong Zhou

Automated segmentation of Cardiac Magnetic Resonance (CMR) plays a pivotal role in efficiently assessing cardiac function, offering rapid clinical evaluations that benefit both healthcare practitioners and patients. While recent research…

图像与视频处理 · 电气工程与系统科学 2024-06-14 Abdul Qayyum , Hao Xu , Brian P. Halliday , Cristobal Rodero , Christopher W. Lanyon , Richard D. Wilkinson , Steven Alexander Niederer

Accurate segmentation of cardiac structures can assist doctors to diagnose diseases, and to improve treatment planning, which is highly demanded in the clinical practice. However, the shortage of annotation and the variance of the data…

图像与视频处理 · 电气工程与系统科学 2022-08-05 Yao Zhang , Jiawei Yang , Feng Hou , Yang Liu , Yixin Wang , Jiang Tian , Cheng Zhong , Yang Zhang , Zhiqiang He