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The reconstruction of cortical surfaces from brain magnetic resonance imaging (MRI) scans is essential for quantitative analyses of cortical thickness and sulcal morphology. Although traditional and deep learning-based algorithmic pipelines…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Fabian Bongratz , Anne-Marie Rickmann , Sebastian Pölsterl , Christian Wachinger

Deep learning-based automatic segmentation methods have become state-of-the-art. However, they are often not robust enough for direct clinical application, as domain shifts between training and testing data affect their performance. Failure…

Image and Video Processing · Electrical Eng. & Systems 2023-12-07 Helena Williams , João Pedrosa , Muhammad Asad , Laura Cattani , Tom Vercauteren , Jan Deprest , Jan D'hooge

The study of neurodegenerative diseases relies on the reconstruction and analysis of the brain cortex from magnetic resonance imaging (MRI). Traditional frameworks for this task like FreeSurfer demand lengthy runtimes, while its accelerated…

Image and Video Processing · Electrical Eng. & Systems 2020-10-23 Rodrigo Santa Cruz , Leo Lebrat , Pierrick Bourgeat , Clinton Fookes , Jurgen Fripp , Olivier Salvado

We present DeepVesselNet, an architecture tailored to the challenges faced when extracting vessel networks or trees and corresponding features in 3-D angiographic volumes using deep learning. We discuss the problems of low execution speed…

Computer Vision and Pattern Recognition · Computer Science 2019-08-14 Giles Tetteh , Velizar Efremov , Nils D. Forkert , Matthias Schneider , Jan Kirschke , Bruno Weber , Claus Zimmer , Marie Piraud , Bjoern H. Menze

Delineating 3D blood vessels is essential for clinical diagnosis and treatment, however, is challenging due to complex structure variations and varied imaging conditions. Supervised deep learning has demonstrated its superior capacity in…

Image and Video Processing · Electrical Eng. & Systems 2023-02-08 Huai Chen , Xiuying Wang , Lisheng Wang

Intracranial aneurysms remain a major cause of neurological morbidity and mortality worldwide, where rupture risk is tightly coupled to local hemodynamics particularly wall shear stress and oscillatory shear index. Conventional…

Deep learning techniques for 3D brain vessel image segmentation have not been as successful as in the segmentation of other organs and tissues. This can be explained by two factors. First, deep learning techniques tend to show poor…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Vien Ngoc Dang , Francesco Galati , Rosa Cortese , Giuseppe Di Giacomo , Viola Marconetto , Prateek Mathur , Karim Lekadir , Marco Lorenzi , Ferran Prados , Maria A. Zuluaga

Optimal surface segmentation is a state-of-the-art method used for segmentation of multiple globally optimal surfaces in volumetric datasets. The method is widely used in numerous medical image segmentation applications. However, nodes in…

Computer Vision and Pattern Recognition · Computer Science 2019-02-18 Abhay Shah , Michael D. Abramoff , Xiaodong Wu

Whole brain segmentation is an important neuroimaging task that segments the whole brain volume into anatomically labeled regions-of-interest. Convolutional neural networks have demonstrated good performance in this task. Existing…

Image and Video Processing · Electrical Eng. & Systems 2021-11-01 Yeshu Li , Jonathan Cui , Yilun Sheng , Xiao Liang , Jingdong Wang , Eric I-Chao Chang , Yan Xu

Recent advances in deep learning have improved the segmentation accuracy of subcortical brain structures, which would be useful in neuroimaging studies of many neurological disorders. However, most of the previous deep learning work does…

Computer Vision and Pattern Recognition · Computer Science 2019-02-21 Yilin Liu , Gengyan Zhao , Brendon M. Nacewicz , Nagesh Adluru , Gregory R. Kirk , Peter A Ferrazzano , Martin Styner , Andrew L. Alexander

Automatic 3D neuron reconstruction is critical for analysing the morphology and functionality of neurons in brain circuit activities. However, the performance of existing tracing algorithms is hinged by the low image quality. Recently, a…

Image and Video Processing · Electrical Eng. & Systems 2021-09-17 Heng Wang , Chaoyi Zhang , Jianhui Yu , Yang Song , Siqi Liu , Wojciech Chrzanowski , Weidong Cai

Neural surface reconstruction aims to reconstruct accurate 3D surfaces based on multi-view images. Previous methods based on neural volume rendering mostly train a fully implicit model with MLPs, which typically require hours of training…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Tong Wu , Jiaqi Wang , Xingang Pan , Xudong Xu , Christian Theobalt , Ziwei Liu , Dahua Lin

Blood vessels of the brain provide the human brain with the required nutrients and oxygen. As a vulnerable part of the cerebral blood supply, pathology of small vessels can cause serious problems such as Cerebral Small Vessel Diseases…

Segmentation of brain structures on MRI is the primary step for further quantitative analysis of brain diseases. Manual segmentation is still considered the gold standard in terms of accuracy; however, such data is extremely time-consuming…

Image and Video Processing · Electrical Eng. & Systems 2024-10-16 Mengyu Li , Magnus Magnusson , Thilo van Eimeren , Lotta M. Ellingsen

Shape reconstruction from imaging volumes is a recurring need in medical image analysis. Common workflows start with a segmentation step, followed by careful post-processing and,finally, ad hoc meshing algorithms. As this sequence can be…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Antonio Pepe , Richard Schussnig , Jianning Li , Christina Gsaxner , Dieter Schmalstieg , Jan Egger

Medical images, especially volumetric images, are of high resolution and often exceed the capacity of standard desktop GPUs. As a result, most deep learning-based medical image analysis tasks require the input images to be downsampled,…

Image and Video Processing · Electrical Eng. & Systems 2021-08-29 Jianning Li , Antonio Pepe , Christina Gsaxner , Yuan Jin , Jan Egger

Segmenting of clinically important retinal blood vessels into arteries and veins is a prerequisite for retinal vessel analysis. Such analysis can provide potential insights and bio-markers for identifying and diagnosing various retinal eye…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Sharan SK , Subin Sahayam , Umarani Jayaraman , Lakshmi Priya A

Segmentation has been a major task in neuroimaging. A large number of automated methods have been developed for segmenting healthy and diseased brain tissues. In recent years, deep learning techniques have attracted a lot of attention as a…

Image and Video Processing · Electrical Eng. & Systems 2019-07-05 Jimit Doshi , Guray Erus , Mohamad Habes , Christos Davatzikos

3D object recognition accuracy can be improved by learning the multi-scale spatial features from 3D spatial geometric representations of objects such as point clouds, 3D models, surfaces, and RGB-D data. Current deep learning approaches…

Computer Vision and Pattern Recognition · Computer Science 2019-05-07 Sambit Ghadai , Xian Lee , Aditya Balu , Soumik Sarkar , Adarsh Krishnamurthy

Many recent medical segmentation systems rely on powerful deep learning models to solve highly specific tasks. To maximize performance, it is standard practice to evaluate numerous pipelines with varying model topologies, optimization…

Machine Learning · Computer Science 2019-11-06 Mathias Perslev , Erik Bjørnager Dam , Akshay Pai , Christian Igel