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Pulmonary nodule detection, false positive reduction and segmentation represent three of the most common tasks in the computeraided analysis of chest CT images. Methods have been proposed for eachtask with deep learning based methods…

计算机视觉与模式识别 · 计算机科学 2019-07-29 Hao Tang , Chupeng Zhang , Xiaohui Xie

Deep learning-based whole-heart segmentation in coronary CT angiography (CCTA) allows the extraction of quantitative imaging measures for cardiovascular risk prediction. Automatic extraction of these measures in patients undergoing only…

图像与视频处理 · 电气工程与系统科学 2020-08-11 Steffen Bruns , Jelmer M. Wolterink , Richard A. P. Takx , Robbert W. van Hamersvelt , Dominika Suchá , Max A. Viergever , Tim Leiner , Ivana Išgum

Ultrasound Localization Microscopy (ULM) can map microvessels at a resolution of a few micrometers (\mu m). Transcranial ULM remains challenging in presence of aberrations caused by the skull, which lead to localization errors. Herein, we…

图像与视频处理 · 电气工程与系统科学 2023-09-20 Paul Xing , Jonathan Porée , Brice Rauby , Antoine Malescot , Éric Martineau , Vincent Perrot , Ravi L. Rungta , Jean Provost

Quantification of cardiac structures in non-contrast CT (NCCT) could improve cardiovascular risk stratification. However, setting a manual reference to train a fully convolutional network (FCN) for automatic segmentation of NCCT images is…

图像与视频处理 · 电气工程与系统科学 2019-08-22 Steffen Bruns , Jelmer M. Wolterink , Robbert W. van Hamersvelt , Tim Leiner , Ivana Išgum

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

Convolutional Neural Networks (CNNs) constitute a class of Deep Learning models which have been used in the recent past to resolve many problems in computer vision, in particular optical flow estimation. Measuring displacement and strain…

图像与视频处理 · 电气工程与系统科学 2020-09-10 S. Boukhtache , K. Abdelouahab , F. Berry , B. Blaysat , M. Grediac , F. Sur

Segmentation of cardiac anatomical structures in cardiac magnetic resonance images (CMRI) is a prerequisite for automatic diagnosis and prognosis of cardiovascular diseases. To increase robustness and performance of segmentation methods…

图像与视频处理 · 电气工程与系统科学 2020-11-16 Jörg Sander , Bob D. de Vos , Ivana Išgum

Accurately segmenting different organs from medical images is a critical prerequisite for computer-assisted diagnosis and intervention planning. This study proposes a deep learning-based approach for segmenting various organs from CT and…

Convolutional neural networks (CNNs) have been demonstrated to be highly effective in the field of pulmonary nodule detection. However, existing CNN based pulmonary nodule detection methods lack the ability to capture long-range…

图像与视频处理 · 电气工程与系统科学 2022-08-04 Rui Xu , Yong Luo , Bo Du , Kaiming Kuang , Jiancheng Yang

We present a Convolutional Neural Network (CNN) suitable to assess unconstrained surgical cuttings, trained on a dataset created with a data augmentation technique.

计算机视觉与模式识别 · 计算机科学 2022-05-03 Ilias Chrysovergis , Manos Kamarianakis , Mike Kentros , Dimitris Angelis , Antonis Protopsaltis , George Papagiannakis

Cardiovascular diseases are a pervasive global health concern, contributing significantly to morbidity and mortality rates worldwide. Among these conditions, arrhythmia, characterized by irregular heart rhythms, presents formidable…

信号处理 · 电气工程与系统科学 2024-04-25 Bhavith Chandra Challagundla

Identifying and characterizing the patient's blood samples is indispensable in diagnostics of malignance suspicious. A painstaking and sometimes subjective task is used in laboratories to manually classify white blood cells. Neural…

图像与视频处理 · 电气工程与系统科学 2020-10-23 Daouda Diouf , Djibril Seck , Mountaga Diop , Abdoulye Ba

Convolutional neural networks (CNNs) have been extensively applied for image recognition problems giving state-of-the-art results on recognition, detection, segmentation and retrieval. In this work we propose and evaluate several deep…

计算机视觉与模式识别 · 计算机科学 2015-04-14 Joe Yue-Hei Ng , Matthew Hausknecht , Sudheendra Vijayanarasimhan , Oriol Vinyals , Rajat Monga , George Toderici

Convolutional Neural Networks (CNNs) work very well for supervised learning problems when the training dataset is representative of the variations expected to be encountered at test time. In medical image segmentation, this premise is…

图像与视频处理 · 电气工程与系统科学 2021-01-26 Neerav Karani , Ertunc Erdil , Krishna Chaitanya , Ender Konukoglu

This study develops a Convolutional Neural Network (CNN) model for detecting myocardial infarction (MI) from Electrocardiogram (ECG) images. The model, built using the InceptionV3 architecture and optimized through transfer learning, was…

The echocardiographic measurement of left ventricular ejection fraction (LVEF) is fundamental to the diagnosis and classification of patients with heart failure (HF). In order to quantify LVEF automatically and accurately, this paper…

In this paper, we introduce deep learning technology to tackle two traditional low-level image processing problems, companding and inverse halftoning. We make two main contributions. First, to the best knowledge of the authors, this is the…

计算机视觉与模式识别 · 计算机科学 2017-07-24 Xianxu Hou , Guoping Qiu

Computed Tomography Angiography is a key modality providing insights into the cerebrovascular vessel tree that are crucial for the diagnosis and treatment of ischemic strokes, in particular in cases of large vessel occlusions (LVO). Thus,…

图像与视频处理 · 电气工程与系统科学 2022-05-06 Florian Thamm , Oliver Taubmann , Markus Jürgens , Hendrik Ditt , Andreas Maier

Purpose: Identifying intravenous (IV) contrast use within CT scans is a key component of data curation for model development and testing. Currently, IV contrast is poorly documented in imaging metadata and necessitates manual correction and…

Segmentation of the left atrial chamber and assessing its morphology, are essential for improving our understanding of atrial fibrillation, the most common type of cardiac arrhythmia. Automation of this process in 3D gadolinium enhanced-MRI…

计算机视觉与模式识别 · 计算机科学 2019-12-04 Sulaiman Vesal , Nishant Ravikumar , Andreas Maier