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Accurate automatic segmentation of brain anatomy from $T_1$-weighted~($T_1$-w) magnetic resonance images~(MRI) has been a computationally intensive bottleneck in neuroimaging pipelines, with state-of-the-art results obtained by unsupervised…

计算机视觉与模式识别 · 计算机科学 2018-08-01 Amod Jog , Bruce Fischl

Direct automatic segmentation of objects from 3D medical imaging, such as magnetic resonance (MR) imaging, is challenging as it often involves accurately identifying a number of individual objects with complex geometries within a large…

图像与视频处理 · 电气工程与系统科学 2021-09-23 Wei Dai , Boyeong Woo , Siyu Liu , Matthew Marques , Craig B. Engstrom , Peter B. Greer , Stuart Crozier , Jason A. Dowling , Shekhar S. Chandra

Convolutional neural networks (CNNs) have shown promising results on several segmentation tasks in magnetic resonance (MR) images. However, the accuracy of CNNs may degrade severely when segmenting images acquired with different scanners…

机器学习 · 统计学 2018-05-28 Neerav Karani , Krishna Chaitanya , Christian Baumgartner , Ender Konukoglu

Accurate brain tissue segmentation in Magnetic Resonance Imaging (MRI) has attracted the attention of medical doctors and researchers since variations in tissue volume help in diagnosing and monitoring neurological diseases. Several…

计算机视觉与模式识别 · 计算机科学 2019-07-30 Jose Bernal , Kaisar Kushibar , Mariano Cabezas , Sergi Valverde , Arnau Oliver , Xavier Lladó

Accurate tissue segmentation of thick-slice fetal brain magnetic resonance (MR) scans is crucial for both reconstruction of isotropic brain MR volumes and the quantification of fetal brain development. However, this task is challenging due…

图像与视频处理 · 电气工程与系统科学 2023-12-05 Shijie Huang , Xukun Zhang , Zhiming Cui , He Zhang , Geng Chen , Dinggang Shen

Manual segmentation of rodent brain lesions from magnetic resonance images (MRIs) is an arduous, time-consuming and subjective task that is highly important in pre-clinical research. Several automatic methods have been developed for…

图像与视频处理 · 电气工程与系统科学 2019-08-26 Juan Miguel Valverde , Artem Shatillo , Riccardo de Feo , Olli Gröhn , Alejandra Sierra , Jussi Tohka

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…

图像与视频处理 · 电气工程与系统科学 2022-05-20 Mehri Baniasadi , Mikkel V. Petersen , Jorge Goncalves , Andreas Horn , Vanja Vlasov , Frank Hertel , Andreas Husch

Many functional and structural neuroimaging studies call for accurate morphometric segmentation of different brain structures starting from image intensity values of MRI scans. Current automatic (multi-) atlas-based segmentation strategies…

图像与视频处理 · 电气工程与系统科学 2019-09-27 Dennis Bontempi , Sergio Benini , Alberto Signoroni , Michele Svanera , Lars Muckli

Semantic segmentation necessitates approaches that learn high-level characteristics while dealing with enormous amounts of data. Convolutional neural networks (CNNs) can learn unique and adaptive features to achieve this aim. However, due…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Hasan AlMarzouqi , Lyes Saad Saoud

While Magnetic Resonance Imaging (MRI) has played an essential role in infant brain analysis, segmenting MRI into a number of tissues such as gray matter (GM), white matter (WM), and cerebrospinal fluid (CSF) is crucial and complex due to…

图像与视频处理 · 电气工程与系统科学 2021-12-28 Dinh-Hieu Hoang , Gia-Han Diep , Minh-Triet Tran , Ngan T. H Le

Deep neural networks with multilevel connections process input data in complex ways to learn the information.A networks learning efficiency depends not only on the complex neural network architecture but also on the input training…

图像与视频处理 · 电气工程与系统科学 2021-11-02 Rajarajeswari Muthusivarajan , Adrian Celaya , Joshua P. Yung , Satish Viswanath , Daniel S. Marcus , Caroline Chung , David Fuentes

Abnormal iron accumulation in the brain subcortical nuclei has been reported to be correlated to various neurodegenerative diseases, which can be measured through the magnetic susceptibility from the quantitative susceptibility mapping…

图像与视频处理 · 电气工程与系统科学 2020-08-04 Chao Chai , Pengchong Qiao , Bin Zhao , Huiying Wang , Guohua Liu , Hong Wu , E Mark Haacke , Wen Shen , Chen Cao , Xinchen Ye , Zhiyang Liu , Shuang Xia

Accurate automatic tissue segmentation in fetal brain MRI is a crucial step in clinical diagnosis but remains challenging, particularly due to the dynamically changing anatomy and tissue contrast during fetal development. Existing…

图像与视频处理 · 电气工程与系统科学 2025-03-12 Haoan Xu , Tianshu Zheng , Xinyi Xu , Yao Shen , Jiwei Sun , Cong Sun , Guangbin Wang , Zhaopeng Cui , Dan Wu

Segmentation is one of the most important tasks in MRI medical image analysis and is often the first and the most critical step in many clinical applications. In brain MRI analysis, head segmentation is commonly used for measuring and…

图像与视频处理 · 电气工程与系统科学 2022-08-11 Haleh Akrami , Wenhui Cui , Anand A Joshi , Richard M. Leahy

Segmentation of fetal brain tissue from magnetic resonance imaging (MRI) plays a crucial role in the study of in utero neurodevelopment. However, automated tools face substantial domain shift challenges as they must be robust to highly…

图像与视频处理 · 电气工程与系统科学 2024-10-15 Vladyslav Zalevskyi , Thomas Sanchez , Margaux Roulet , Jordina Aviles Verddera , Jana Hutter , Hamza Kebiri , Meritxell Bach Cuadra

We propose an unsupervised deep learning method for atlas based registration to achieve segmentation and spatial alignment of the embryonic brain in a single framework. Our approach consists of two sequential networks with a specifically…

图像与视频处理 · 电气工程与系统科学 2020-05-14 Wietske A. P. Bastiaansen , Melek Rousian , Régine P. M. Steegers-Theunissen , Wiro J. Niessen , Anton Koning , Stefan Klein

Deep convolutional neural networks (CNNs) have shown excellent performance in object recognition tasks and dense classification problems such as semantic segmentation. However, training deep neural networks on large and sparse datasets is…

计算机视觉与模式识别 · 计算机科学 2017-12-25 Lorenz Berger , Eoin Hyde , M. Jorge Cardoso , Sebastien Ourselin

Retrospective analysis of brain MRI scans acquired in the clinic has the potential to enable neuroimaging studies with sample sizes much larger than those found in research datasets. However, analysing such clinical images "in the wild" is…

图像与视频处理 · 电气工程与系统科学 2023-01-06 Benjamin Billot , Magdamo Colin , Sean E. Arnold , Sudeshna Das , Juan. E. Iglesias

Segmentation of organs or lesions from medical images plays an essential role in many clinical applications such as diagnosis and treatment planning. Though Convolutional Neural Networks (CNN) have achieved the state-of-the-art performance…

计算机视觉与模式识别 · 计算机科学 2021-05-27 Xiangde Luo , Guotai Wang , Tao Song , Jingyang Zhang , Michael Aertsen , Jan Deprest , Sebastien Ourselin , Tom Vercauteren , Shaoting Zhang

High-resolution (HR) magnetic resonance images (MRI) provide detailed anatomical information important for clinical application and quantitative image analysis. However, HR MRI conventionally comes at the cost of longer scan time, smaller…

计算机视觉与模式识别 · 计算机科学 2018-06-12 Yuhua Chen , Feng Shi , Anthony G. Christodoulou , Zhengwei Zhou , Yibin Xie , Debiao Li