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Background: Enlargement of perivascular spaces (PVS) is common in neurodegenerative disorders including cerebral small vessel disease, Alzheimer's disease, and Parkinson's disease. PVS enlargement may indicate impaired clearance pathways…

Image and Video Processing · Electrical Eng. & Systems 2025-02-17 William Pham , Alexander Jarema , Donggyu Rim , Zhibin Chen , Mohamed S. H. Khlif , Vaughan G. Macefield , Luke A. Henderson , Amy Brodtmann

Enlarged perivascular spaces (PVS) are increasingly recognized as biomarkers of cerebral small vessel disease, Alzheimer's disease, stroke, and aging-related neurodegeneration. However, manual segmentation of PVS is time-consuming and…

Perivascular Spaces (PVS) are a recently recognised feature of Small Vessel Disease (SVD), also indicating neuroinflammation, and are an important part of the brain's circulation and glymphatic drainage system. Quantitative analysis of PVS…

Computer Vision and Pattern Recognition · Computer Science 2018-04-13 Lucia Ballerini , Ruggiero Lovreglio , Maria del C. Valdes-Hernandez , Joel Ramirez , Bradley J. MacIntosh , Sandra E. Black , Joanna M. Wardlaw

Enlarged perivascular spaces (EPVS) in the brain are an emerging imaging marker for cerebral small vessel disease, and have been shown to be related to increased risk of various neurological diseases, including stroke and dementia.…

Computer Vision and Pattern Recognition · Computer Science 2018-10-30 Florian Dubost , Hieab Adams , Gerda Bortsova , M. Arfan Ikram , Wiro Niessen , Meike Vernooij , Marleen de Bruijne

The data-driven nature of deep learning (DL) models for semantic segmentation requires a large number of pixel-level annotations. However, large-scale and fully labeled medical datasets are often unavailable for practical tasks. Recently,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-27 Nanqing Dong , Michael Kampffmeyer , Xiaodan Liang , Min Xu , Irina Voiculescu , Eric P. Xing

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…

Computer Vision and Pattern Recognition · Computer Science 2017-06-15 Hinrich B Winther , Christian Hundt , Bertil Schmidt , Christoph Czerner , Johann Bauersachs , Frank Wacker , Jens Vogel-Claussen

Segmentation of medical images is a fundamental task with numerous applications. While MRI, CT, and PET modalities have significantly benefited from deep learning segmentation techniques, more recent modalities, like functional ultrasound…

Image and Video Processing · Electrical Eng. & Systems 2025-07-24 Hana Sebia , Thomas Guyet , Mickaël Pereira , Marco Valdebenito , Hugues Berry , Benjamin Vidal

BACKGROUND AND PURPOSE: Deep learning has been demonstrated effective in many neuroimaging applications. However, in many scenarios, the number of imaging sequences capturing information related to small vessel disease lesions is…

Convolution-based and Transformer-based vision backbone networks process images into the grid or sequence structures, respectively, which are inflexible for capturing irregular objects. Though Vision GNN (ViG) adopts graph-level features…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Jiafu Wu , Jian Li , Jiangning Zhang , Boshen Zhang , Mingmin Chi , Yabiao Wang , Chengjie Wang

Background. Fully automatic analysis of myocardial perfusion MRI datasets enables rapid and objective reporting of stress/rest studies in patients with suspected ischemic heart disease. Developing deep learning techniques that can analyze…

Retinal blood vessel segmentation can extract clinically relevant information from fundus images. As manual tracing is cumbersome, algorithms based on Convolution Neural Networks have been developed. Such studies have used small publicly…

Image and Video Processing · Electrical Eng. & Systems 2024-06-24 Jeremiah Fadugba , Patrick Köhler , Lisa Koch , Petru Manescu , Philipp Berens

Segmenting deep brain structures from magnetic resonance images is important for patient diagnosis, surgical planning, and research. Most current state-of-the-art solutions follow a segmentation-by-registration approach, where subject MRIs…

Image and Video Processing · Electrical Eng. & Systems 2022-05-20 Mehri Baniasadi , Mikkel V. Petersen , Jorge Goncalves , Andreas Horn , Vanja Vlasov , Frank Hertel , Andreas Husch

Automated blood vessel segmentation is vital for biomedical imaging, as vessel changes indicate many pathologies. Still, precise segmentation is difficult due to the complexity of vascular structures, anatomical variations across patients,…

IntraVascular UltraSound (IVUS) is one of the most effective imaging modalities that provides assistance to experts in order to diagnose and treat cardiovascular diseases. We address a central problem in IVUS image analysis with Fully…

Machine Learning · Statistics 2018-06-15 Ji Yang , Lin Tong , Mehdi Faraji , Anup Basu

Biomedical imaging is a driver of scientific discovery and core component of medical care, currently stimulated by the field of deep learning. While semantic segmentation algorithms enable 3D image analysis and quantification in many…

Computer Vision and Pattern Recognition · Computer Science 2020-12-09 Fabian Isensee , Paul F. Jäger , Simon A. A. Kohl , Jens Petersen , Klaus H. Maier-Hein

Precise 3D segmentation of cerebral vasculature from T1-weighted contrast-enhanced (T1CE) MRI is crucial for safe neurosurgical planning. Manual delineation is time-consuming and prone to inter-observer variability, while current automated…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Mohammad Jafari Vayeghan , Niloufar Delfan , Mehdi Tale Masouleh , Mansour Parvaresh Rizi , Behzad Moshiri

Background: The aim of this study was to develop and evaluate a deep learning-based automated segmentation method for hepatic anatomy (i.e., parenchyma, tumors, portal vein, hepatic vein and biliary tree) from the hepatobiliary phase of…

Image and Video Processing · Electrical Eng. & Systems 2025-08-21 Karin A. Olthof , Matteo Fusagli , Bianca Güttner , Tiziano Natali , Bram Westerink , Stefanie Speidel , Theo J. M. Ruers , Koert F. D. Kuhlmann , Andrey Zhylka

Precisely estimating lumen boundaries in intravascular ultrasound (IVUS) is needed for sizing interventional stents to treat deep vein thrombosis (DVT). Unfortunately, current segmentation networks like the UNet lack the precision needed…

Partial voluming (PV) is arguably the last crucial unsolved problem in Bayesian segmentation of brain MRI with probabilistic atlases. PV occurs when voxels contain multiple tissue classes, giving rise to image intensities that may not be…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Benjamin Billot , Eleanor D. Robinson , Adrian V. Dalca , Juan Eugenio Iglesias
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