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Papers Diffusion MRI

“Diffusion MRI” 태그가 달린 논문 213편 · 필터 해제

Domain-agnostic segmentation of thalamic nuclei from joint structural and diffusion MRI

2023-05-05 · Henry F. J. Tregidgo, Sonja Soskic, Mark D. Olchanyi, Juri Althonayan 외

The human thalamus is a highly connected subcortical grey-matter structure within the brain. It comprises dozens of nuclei with different function and connectivity, which are affected differently by disease. For this rea…

Diffusion MRISegmentation

$E(3) \times SO(3)$-Equivariant Networks for Spherical Deconvolution in Diffusion MRI

2023-04-12 · Axel Elaldi, Guido Gerig, Neel Dey

We present Roto-Translation Equivariant Spherical Deconvolution (RT-ESD), an $E(3)\times SO(3)$ equivariant framework for sparse deconvolution of volumes where each voxel contains a spherical signal. Such 6D data natural…

Diffusion MRI

DrDisco: Deep Registration for Distortion Correction of Diffusion MRI with single phase-encoding

2023-04-01 · Zhangxing Bian, Muhan Shao, Aaron Carass, Jerry L. Prince

Diffusion-weighted magnetic resonance imaging (DW-MRI) is a non-invasive way of imaging white matter tracts in the human brain. DW-MRIs are usually acquired using echo-planar imaging (EPI) with high gradient fields, whic…

Diffusion MRIdistortion correction

A Unified Learning Model for Estimating Fiber Orientation Distribution Functions on Heterogeneous Multi-shell Diffusion-weighted MRI

2023-03-29 · Tianyuan Yao, Nancy Newlin, Praitayini Kanakaraj, Vishwesh Nath 외

Diffusion-weighted (DW) MRI measures the direction and scale of the local diffusion process in every voxel through its spectrum in q-space, typically acquired in one or more shells. Recent developments in micro-structure…

Diffusion MRI

Cellular EXchange Imaging (CEXI): Evaluation of a diffusion model including water exchange in cells using numerical phantoms of permeable spheres

2023-03-28 · Rémy Gardier, Juan Luis Villarreal Haro, Erick J. Canales-Rodriguez, Ileana O. Jelescu 외

Purpose: Biophysical models of diffusion MRI have been developed to characterize microstructure in various tissues, but existing models are not suitable for tissue composed of permeable spherical cells. In this study we …

Diffusion MRI

Fiber Tract Shape Measures Inform Prediction of Non-Imaging Phenotypes

2023-03-16 · Wan Liu, Yuqian Chen, Chuyang Ye, Nikos Makris 외

Neuroimaging measures of the brain's white matter connections can enable the prediction of non-imaging phenotypes, such as demographic and cognitive measures. Existing works have investigated traditional microstructure a…

Diffusion MRIPrediction

Generative AI for Rapid Diffusion MRI with Improved Image Quality, Reliability and Generalizability

2023-03-10 · Amir Sadikov, Xinlei Pan, Hannah Choi, Lanya T. Cai 외

Diffusion MRI is a non-invasive, in-vivo biomedical imaging method for mapping tissue microstructure. Applications include structural connectivity imaging of the human brain and detecting microstructural neural changes. …

DenoisingDiffusion MRISuper-Resolution

Resolving quantitative MRI model degeneracy with machine learning via training data distribution design

2023-03-09 · Michele Guerreri, Sean Epstein, Hojjat Azadbakht, HUI ZHANG

Quantitative MRI (qMRI) aims to map tissue properties non-invasively via models that relate these unknown quantities to measured MRI signals. Estimating these unknowns, which has traditionally required model fitting - an…

Diffusion MRIparameter estimationQuantitative MRI

Establishing group-level brain structural connectivity incorporating anatomical knowledge under latent space modeling

2023-02-21 · Selena Wang, Yiting Wang, Frederick H. Xu, Li Shen 외

Brain structural connectivity, capturing the white matter fiber tracts among brain regions inferred by diffusion MRI (dMRI), provides a unique characterization of brain anatomical organization. One fundamental question t…

Diffusion MRI

DDM$^2$: Self-Supervised Diffusion MRI Denoising with Generative Diffusion Models

2023-02-06 · Tiange Xiang, Mahmut Yurt, Ali B Syed, Kawin Setsompop 외

Magnetic resonance imaging (MRI) is a common and life-saving medical imaging technique. However, acquiring high signal-to-noise ratio MRI scans requires long scan times, resulting in increased costs and patient discomfor…

DenoisingDiffusion MRI

TractGraphCNN: anatomically informed graph CNN for classification using diffusion MRI tractography

2023-01-05 · Yuqian Chen, Fan Zhang, Leo R. Zekelman, Tengfei Xue 외

The structure and variability of the brain's connections can be investigated via prediction of non-imaging phenotypes using neural networks. However, known neuroanatomical relationships between input features are general…

Diffusion MRI

Motion-Invariant Variational Auto-Encoding of Brain Structural Connectomes

2022-12-08 · Yizi Zhang, Meimei Liu, Zhengwu Zhang, David Dunson

Mapping of human brain structural connectomes via diffusion MRI offers a unique opportunity to understand brain structural connectivity and relate it to various human traits, such as cognition. However, head displacement…

Diffusion MRI

Robust Circuitry-Based Scores of Structural Importance of Human Brain Areas

2022-11-30 · Daniel Hegedus, Vince Grolmusz

We consider the 1015-vertex human consensus connectome computed from the diffusion MRI data of 1064 subjects. We define seven different orders on these 1015 graph vertices, where the orders depend on parameters derived f…

AnatomyDiffusion MRI

Tractography-Based Parcellation of Cerebellar Dentate Nuclei via a Deep Nonnegative Matrix Factorization Clustering Method

2022-11-18 · Xiao Xu, Yuqian Chen, Leo Zekelman, Yogesh Rathi 외

As the largest human cerebellar nucleus, the dentate nucleus (DN) functions significantly in the communication between the cerebellum and the rest of the brain. Structural connectivity-based parcellation has the potentia…

ClusteringDiffusion MRI

Spherical convolutional neural networks can improve brain microstructure estimation from diffusion MRI data

2022-11-17 · Leevi Kerkelä, Kiran Seunarine, Filip Szczepankiewicz, Chris A. Clark

Diffusion magnetic resonance imaging is sensitive to the microstructural properties of brain tissue. However, estimating clinically and scientifically relevant microstructural properties from the measured signals remains…

Diffusion MRIparameter estimation

Harmonization Benchmarking Tool for Neuroimaging Datasets

2022-11-15 · Tom Osika, Ebrahim Ebrahim, Martin Styner, Marc Niethammer 외

A major data pre-processing step for large, multi-site studies is to handle site effects by harmonizing data, generating a dataset that enables more powerful analyses and more robust algorithms. There is a wide variety o…

BenchmarkingDiffusion MRI

DeepRGVP: A Novel Microstructure-Informed Supervised Contrastive Learning Framework for Automated Identification Of The Retinogeniculate Pathway Using dMRI Tractography

2022-11-15 · Sipei Li, Jianzhong He, Tengfei Xue, Guoqiang Xie 외

The retinogeniculate pathway (RGVP) is responsible for carrying visual information from the retina to the lateral geniculate nucleus. Identification and visualization of the RGVP are important in studying the anatomy of …

AnatomyContrastive LearningData AugmentationDiffusion MRI

Angular upsampling in diffusion MRI using contextual HemiHex sub-sampling in q-space

2022-11-01 · Abrar Faiyaz, Md Nasir Uddin, Giovanni Schifitto

Artificial Intelligence (Deep Learning(DL)/ Machine Learning(ML)) techniques are widely being used to address and overcome all kinds of ill-posed problems in medical imaging which was or in fact is seemingly impossible. …

Diffusion MRIregression

Physics-informed Deep Diffusion MRI Reconstruction with Synthetic Data: Break Training Data Bottleneck in Artificial Intelligence

2022-10-20 · Chen Qian, Haoyu Zhang, Yuncheng Gao, Mingyang Han 외

Diffusion magnetic resonance imaging (MRI) is the only imaging modality for non-invasive movement detection of in vivo water molecules, with significant clinical and research applications. Diffusion weighted imaging (DWI…

Deep LearningDiffusion MRIMRI Reconstruction

TractoSCR: A Novel Supervised Contrastive Regression Framework for Prediction of Neurocognitive Measures Using Multi-Site Harmonized Diffusion MRI Tractography

2022-10-13 · Tengfei Xue, Fan Zhang, Leo R. Zekelman, Chaoyi Zhang 외

Neuroimaging-based prediction of neurocognitive measures is valuable for studying how the brain's structure relates to cognitive function. However, the accuracy of prediction using popular linear regression models is rel…

Contrastive LearningDiffusion MRIFeature ImportancePrediction+2
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