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Quantitative analysis of channel networks plays an important role in river studies. To provide a quantitative representation of channel networks, we propose a new method that extracts channels from remotely sensed images and estimates their…

计算机视觉与模式识别 · 计算机科学 2019-11-15 F. Isikdogan , A. C. Bovik , P. Passalacqua

The accurate segmentation of organs-at-risk (OARs) in head and neck CT images is a critical step for radiation therapy of head and neck cancer patients. However, manual delineation for numerous OARs is time-consuming and laborious, even for…

图像与视频处理 · 电气工程与系统科学 2021-10-26 Shuai Wang , Theodore Yanagihara , Bhishamjit Chera , Colette Shen , Pew-Thian Yap , Jun Lian

Image-based computer simulation of cardiac function can be used to probe the mechanisms of (patho)physiology, and guide diagnosis and personalized treatment of cardiac diseases. This paradigm requires constructing simulation-ready meshes of…

图像与视频处理 · 电气工程与系统科学 2021-07-23 Fanwei Kong , Shawn C. Shadden

Purpose: The purpose is to design a novelty automatic diagnostic method for osteoporosis screening by using the potential capability of convolutional neural network (CNN) in feature representation and extraction, which can be incorporated…

医学物理 · 物理学 2019-10-16 Chao Tang , Wenkun Zhang , Haiting Li , Lei Li , Ziheng Li , Ailong Cai , Linyuan Wang , Dapeng Shi , Bin Yan

Cardiovascular disease (CVD) is a common and strong threat to human beings, featuring high prevalence, disability and mortality. The amount of coronary artery calcification (CAC) is an effective factor for CVD risk evaluation.…

图像与视频处理 · 电气工程与系统科学 2019-07-29 Jiechao Ma , Rongguo Zhang

The MitraClip is the most widely percutaneous treatment for mitral regurgitation, typically performed under the real-time guidance of 3D transesophagel echocardiography (TEE). However, artifacts and low image contrast in echocardiography…

Feature tracking Cardiac Magnetic Resonance (CMR) has recently emerged as an area of interest for quantification of regional cardiac function from balanced, steady state free precession (SSFP) cine sequences. However, currently available…

计算机视觉与模式识别 · 计算机科学 2017-04-13 Davis M. Vigneault , Weidi Xie , David A. Bluemke , J. Alison Noble

Radiological imaging offers effective measurement of anatomy, which is useful in disease diagnosis and assessment. Previous study has shown that the left atrial wall remodeling can provide information to predict treatment outcome in atrial…

计算机视觉与模式识别 · 计算机科学 2018-12-07 Shuman Jia , Antoine Despinasse , Zihao Wang , Hervé Delingette , Xavier Pennec , Pierre Jaïs , Hubert Cochet , Maxime Sermesant

Accurate 3D representations of cardiac structures allow quantitative analysis of anatomy and function. In this work, we propose a method for reconstructing complete 3D cardiac shapes from segmentations of sparse planes in CT angiography…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Gino E. Jansen , Carolina Brás , R. Nils Planken , Mark J. Schuuring , Berto J. Bouma , Ivana Išgum

Vestibular Schwannoma is a benign brain tumour that grows from one of the balance nerves. Patients may be treated by surgery, radiosurgery or with a conservative "wait-and-scan" strategy. Clinicians typically use manually extracted linear…

图像与视频处理 · 电气工程与系统科学 2024-06-05 Navodini Wijethilake , Steve Connor , Anna Oviedova , Rebecca Burger , Tom Vercauteren , Jonathan Shapey

Convolutional neural networks (CNN) have had unprecedented success in medical imaging and, in particular, in medical image segmentation. However, despite the fact that segmentation results are closer than ever to the inter-expert…

计算机视觉与模式识别 · 计算机科学 2020-06-17 Nathan Painchaud , Youssef Skandarani , Thierry Judge , Olivier Bernard , Alain Lalande , Pierre-Marc Jodoin

Analysis of cancer and other pathological diseases, like the interstitial lung diseases (ILDs), is usually possible through Computed Tomography (CT) scans. To aid this, a preprocessing step of segmentation is performed to reduce the area to…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Jeovane Honório Alves , Pedro Martins Moreira Neto , Lucas Ferrari de Oliveira

Accurate extraction of coronary arteries from invasive coronary angiography (ICA) is important in clinical decision-making for the diagnosis and risk stratification of coronary artery disease (CAD). In this study, we develop a method using…

图像与视频处理 · 电气工程与系统科学 2023-12-22 Yinghui Meng , Zhenglong Du , Chen Zhao , Minghao Dong , Drew Pienta , Zhihui Xu , Weihua Zhou

Coronary artery centerline extraction in cardiac CT angiography (CCTA) images is a prerequisite for evaluation of stenoses and atherosclerotic plaque. We propose an algorithm that extracts coronary artery centerlines in CCTA using a…

计算机视觉与模式识别 · 计算机科学 2018-10-25 Jelmer M. Wolterink , Robbert W. van Hamersvelt , Max A. Viergever , Tim Leiner , Ivana Išgum

Precise delineation of organs at risk (OAR) is a crucial task in radiotherapy treatment planning, which aims at delivering high dose to the tumour while sparing healthy tissues. In recent years algorithms showed high performance and the…

计算机视觉与模式识别 · 计算机科学 2017-04-24 Tobias Fechter , Sonja Adebahr , Dimos Baltas , Ismail Ben Ayed , Christian Desrosiers , Jose Dolz

Mitral Transcatheter Edge-to-Edge Repair (mTEER) is a medical procedure utilized for the treatment of mitral valve disorders. However, predicting the outcome of the procedure poses a significant challenge. This paper makes the first attempt…

图像与视频处理 · 电气工程与系统科学 2024-01-25 Tejas Vyas , Mohsena Chowdhury , Xiaojiao Xiao , Mathias Claeys , Géraldine Ong , Guanghui Wang

The morphological attributes of retinal vessels, such as length, width, tortuosity and branching pattern and angles, play an important role in diagnosis, screening, treatment, and evaluation of various cardiovascular and ophthalmologic…

图像与视频处理 · 电气工程与系统科学 2019-11-25 Zhengyuan Liu

Purpose: Body composition is known to be associated with many diseases including diabetes, cancers and cardiovascular diseases. In this paper, we developed a fully automatic body tissue decomposition procedure to segment three major…

图像与视频处理 · 电气工程与系统科学 2021-01-27 Yabo Fu , Joseph E. Ippolito , Daniel R. Ludwig , Rehan Nizamuddin , Harold H. Li , Deshan Yang

The segmentation of the mitral valve annulus and leaflets specifies a crucial first step to establish a machine learning pipeline that can support physicians in performing multiple tasks, e.g.\ diagnosis of mitral valve diseases, surgical…

图像与视频处理 · 电气工程与系统科学 2020-08-14 Luca Corinzia , Fabian Laumer , Alessandro Candreva , Maurizio Taramasso , Francesco Maisano , Joachim M. Buhmann

We propose an algorithm for calculating the cardiothoracic ratio (CTR) from chest X-ray films. Our approach applies a deep learning model based on U-Net with VGG16 encoder to extract lung and heart masks from chest X-ray images and…

图像与视频处理 · 电气工程与系统科学 2020-02-19 Isarun Chamveha , Treethep Promwiset , Trongtum Tongdee , Pairash Saiviroonporn , Warasinee Chaisangmongkon