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Purpose: Proximal femur image analyses based on quantitative computed tomography (QCT) provide a method to quantify the bone density and evaluate osteoporosis and risk of fracture. We aim to develop a deep-learning-based method for…

Ultrasound (US) imaging is widely employed for diagnosis and staging of peripheral vascular diseases (PVD), mainly due to its high availability and the fact it does not emit radiation. However, high inter-operator variability and a lack of…

Automatic quantification of perifoveal vessel densities in optical coherence tomography angiography (OCT-A) images face challenges such as variable intra- and inter-image signal to noise ratios, projection artefacts from outer vasculature…

Incorporation of prior knowledge about organ shape and location is key to improve performance of image analysis approaches. In particular, priors can be useful in cases where images are corrupted and contain artefacts due to limitations in…

Automatically identifying the structural substrates underlying cardiac abnormalities can potentially provide real-time guidance for interventional procedures. With the knowledge of cardiac tissue substrates, the treatment of complex…

Image and Video Processing · Electrical Eng. & Systems 2022-06-10 Ziyi Huang , Yu Gan , Theresa Lye , Yanchen Liu , Haofeng Zhang , Andrew Laine , Elsa Angelini , Christine Hendon

Abdominal aortic aneurysm (AAA) is a vascular disease in which a section of the aorta enlarges, weakening its walls and potentially rupturing the vessel. Abdominal ultrasound has been utilized for diagnostics, but due to its limited image…

Image and Video Processing · Electrical Eng. & Systems 2022-08-12 Yordanka Velikova , Walter Simson , Mehrdad Salehi , Mohammad Farid Azampour , Philipp Paprottka , Nassir Navab

Background and Purpose: Voxel-based analysis (VBA) helps to identify dose-sensitive regions by aligning individual dose distributions within a common coordinate system (CCS). Accurate deformable image registration (DIR) is essential for…

Medical Physics · Physics 2025-09-26 Xingyue Ruan , Xia Li , Muheng Li , Barbara Bachtiary , Antony Lomax , Zhiling Chen , Ye Zhang

Segmentation of multiple organs-at-risk (OARs) is essential for radiation therapy treatment planning and other clinical applications. We developed an Automated deep Learning-based Abdominal Multi-Organ segmentation (ALAMO) framework based…

Image and Video Processing · Electrical Eng. & Systems 2020-08-25 Yuhua Chen , Dan Ruan , Jiayu Xiao , Lixia Wang , Bin Sun , Rola Saouaf , Wensha Yang , Debiao Li , Zhaoyang Fan

The application of deep learning models to large-scale data sets requires means for automatic quality assurance. We have previously developed a fully automatic algorithm for carotid artery wall segmentation in black-blood MRI that we aim to…

Image and Video Processing · Electrical Eng. & Systems 2023-08-21 Elina Thibeau-Sutre , Dieuwertje Alblas , Sophie Buurman , Christoph Brune , Jelmer M. Wolterink

Objective: Ultrasound (US) examination has unique advantages in diagnosing carpal tunnel syndrome (CTS) while identifying the median nerve (MN) and diagnosing CTS depends heavily on the expertise of examiners. To alleviate this problem, we…

Image and Video Processing · Electrical Eng. & Systems 2024-02-09 Jiayu Peng , Jiajun Zeng , Manlin Lai , Ruobing Huang , Dong Ni , Zhenzhou Li

We propose a deep learning-based automatic coronary artery tree centerline tracker (AuCoTrack) extending the vessel tracker by Wolterink (arXiv:1810.03143). A dual pathway Convolutional Neural Network (CNN) operating on multi-scale 3D…

Image and Video Processing · Electrical Eng. & Systems 2023-11-27 Zohaib Salahuddin , Matthias Lenga , Hannes Nickisch

Recently, joint registration and segmentation has been formulated in a deep learning setting, by the definition of joint loss functions. In this work, we investigate joining these tasks at the architectural level. We propose a registration…

Image and Video Processing · Electrical Eng. & Systems 2020-04-20 Laurens Beljaards , Mohamed S. Elmahdy , Fons Verbeek , Marius Staring

The study objective was to investigate the performance of a dedicated convolutional neural network (CNN) optimized for wrist cartilage segmentation from 2D MR images. CNN utilized a planar architecture and patch-based (PB) training approach…

Existing methods to reconstruct vascular structures from a computed tomography (CT) angiogram rely on injection of intravenous contrast to enhance the radio-density within the vessel lumen. However, pathological changes can be present in…

Image and Video Processing · Electrical Eng. & Systems 2020-02-11 Anirudh Chandrashekar , Ashok Handa , Natesh Shivakumar , Pierfrancesco Lapolla , Vicente Grau , Regent Lee

This work introduces a simple deep-learning based method to delineate contours by `walking' along learnt unit vector fields. We demonstrate the effectiveness of our pipeline on the unique case of open contours on the task of delineating the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-29 Amir Jamaludin , Sarim Ather , Timor Kadir , Rhydian Windsor

Automated classification of human anatomy is an important prerequisite for many computer-aided diagnosis systems. The spatial complexity and variability of anatomy throughout the human body makes classification difficult. "Deep learning"…

Computer Vision and Pattern Recognition · Computer Science 2015-09-17 Holger R. Roth , Christopher T. Lee , Hoo-Chang Shin , Ari Seff , Lauren Kim , Jianhua Yao , Le Lu , Ronald M. Summers

Body tissue composition is a long-known biomarker with high diagnostic and prognostic value in cardiovascular, oncological and orthopaedic diseases, but also in rehabilitation medicine or drug dosage. In this study, the aim was to develop a…

Image and Video Processing · Electrical Eng. & Systems 2020-10-22 Sven Koitka , Lennard Kroll , Eugen Malamutmann , Arzu Oezcelik , Felix Nensa

Objectives: To develop an image-based automatic deep learning method to classify cardiac MR images by sequence type and imaging plane for improved clinical post-processing efficiency. Methods: Multi-vendor cardiac MRI studies were…

Image and Video Processing · Electrical Eng. & Systems 2022-04-11 Ruth P Lim , Stefan Kachel , Adriana DM Villa , Leighton Kearney , Nuno Bettencourt , Alistair A Young , Amedeo Chiribiri , Cian M Scannell

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,…

Machine Learning · Statistics 2018-09-28 Nicoló Savioli , Giovanni Montana , Pablo Lamata

Purpose: Multi-expert deep learning training methods to automatically quantify ischemic brain tissue on Non-Contrast CT Materials and Methods: The data set consisted of 260 Non-Contrast CTs from 233 patients of acute ischemic stroke…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Sophie Ostmeier , Brian Axelrod , Benjamin Pulli , Benjamin F. J. Verhaaren , Abdelkader Mahammedi , Yongkai Liu , Christian Federau , Greg Zaharchuk , Jeremy J. Heit