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检索条件"主题词=Image Processing, Computer-Assisted/statistics & numerical data"
53 条 记 录,以下是1-10 订阅
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Enhanced identification of BOLD-like components with multi-echo simultaneous multi-slice (MESMS) fMRI and multi-echo ICA
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NEUROimage 2015年 112卷 43-51页
作者: Olafsson, Valur Kundu, Prantik Wong, Eric C. Bandettini, Peter A. Liu, Thomas T. Univ Pittsburgh Neurosci Imaging Ctr Pittsburgh PA 15203 USA Icahn Inst Med Mt Sinai Brain Imaging Ctr New York NY 10029 USA Icahn Inst Med Mt Sinai Translat & Mol Imaging Inst New York NY 10029 USA Univ Calif San Diego Ctr Funct Magnet Resonance Imaging La Jolla CA 92093 USA Univ Calif San Diego Dept Radiol La Jolla CA 92093 USA Univ Calif San Diego Dept Psychiat La Jolla CA 92093 USA NIMH Sect Funct Imaging Methods Bethesda MD 20892 USA NIMH Funct MRI Core Facil Bethesda MD 20892 USA Univ Calif San Diego Dept Bioengn La Jolla CA 92093 USA
The recent introduction of simultaneous multi-slice (SMS) acquisitions has enabled the acquisition of blood oxygen level dependent (BOLD) functional magnetic resonance imaging (fMRI) data with significantly higher tem... 详细信息
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Gradient-free MCMC methods for dynamic causal modelling
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NEUROimage 2015年 112卷 375-381页
作者: Sengupta, Biswa Friston, Karl J. Penny, Will D. UCL Wellcome Trust Ctr Neuroimaging Inst Neurol London WC1N 3BG England
In this technical note we compare the performance of four gradient-free MCMC samplers (random walk Metropolis sampling, slice-sampling, adaptive MCMC sampling and population-based MCMC sampling with tempering) in term... 详细信息
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Improving reliability of subject-level resting-state fMRI parcellation with shrinkage estimators
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NEUROimage 2015年 112卷 14-29页
作者: Mejia, Amanda F. Nebel, Mary Beth Shou, Haochang Crainiceanu, Ciprian M. Pekar, James J. Mostofsky, Stewart Caffo, Brian Lindquist, Martin A. Johns Hopkins Univ Dept Biostat Baltimore MD 21205 USA Kennedy Krieger Inst Ctr Neurodev & Imaging Res Baltimore MD 21205 USA Johns Hopkins Sch Med Dept Radiol Baltimore MD USA Kennedy Krieger Inst FM Kirby Res Ctr Funct Brain Imaging Baltimore MD USA Johns Hopkins Sch Med Dept Neurol Baltimore MD USA Johns Hopkins Sch Med Dept Psychiat & Behav Sci Baltimore MD USA Univ Penn Dept Biostat & Epidemiol Philadelphia PA 19104 USA
A recent interest in resting state functional magnetic resonance imaging (rsfMRI) lies in subdividing the human brain into anatomically and functionally distinct regions of interest. For example, brain parcellation is... 详细信息
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Development of a Noninvasive Method to Diagnose Bladder Outlet Obstruction Based on Decorrelation of Sequential Ultrasound images
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UROLOGY 2015年 第3期85卷 648-652页
作者: Arif, Muhammad Idzenga, Tim de Korte, Chris L. van Mastrigt, Ron Erasmus MC Sect Furore Dept Urol NL-3015 GE Rotterdam Netherlands Radboud Univ Nijmegen Med Ctr Med UltraSound Imaging Ctr MUSIC Dept Radiol NL-6525 ED Nijmegen Netherlands
OBJECTIVE To develop an ultrasound (US)-based method for noninvasive diagnosing of bladder outlet obstruction, and the relationship between decorrelation of sequential US images and the degree of obstruction in a uret... 详细信息
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Adjusting the effect of nonstationarity in cluster-based and TFCE inference
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NEUROimage 2011年 第3期54卷 2006-2019页
作者: Salimi-Khorshidi, Gholamreza Smith, Stephen M. Nichols, Thomas E. Univ Oxford Ctr Funct MRI Brain FMRIB Oxford England Univ Warwick Dept Stat Coventry CV4 7AL W Midlands England
In nonstationary images, cluster inference depends on the local image smoothness, as clusters tend to be larger in smoother regions by chance alone. In order to correct the inference for such nonstationary, cluster si... 详细信息
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Voxel-wise information theoretic EEG-fMRI feature integration
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NEUROimage 2011年 第3期55卷 1270-1286页
作者: Ostwald, Dirk Porcaro, Camillo Bagshaw, Andrew P. Univ Birmingham Sch Psychol Birmingham B15 2TT W Midlands England Univ Birmingham Birmingham Univ Imaging Ctr Birmingham B15 2TT W Midlands England Charite Dept Neurol Berlin Germany Charite Bernstein Ctr Computat Neurosci Berlin Germany Newcastle Univ Inst Neurosci Newcastle Upon Tyne NE1 7RU Tyne & Wear England
We have recently proposed the evaluation of a set of information theoretic quantities (ITQs) for the integration of simultaneously acquired EEG-fMRI data (Ostwald, D., Porcaro, C., Bagshaw, A.P., 2010. An information ... 详细信息
来源: 评论
The identification of interacting networks in the brain using fMRI: Model selection, causality and deconvolution
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NEUROimage 2011年 第2期58卷 296-302页
作者: Roebroeck, Alard Formisano, Elia Goebel, Rainer Maastricht Univ Fac Psychol & Neurosci Dept Cognit Neurosci NL-6200 MD Maastricht Netherlands
Functional magnetic resonance imaging (fMRI) is increasingly used to study functional connectivity in large-scale brain networks that support cognitive and perceptual processes. We face serious conceptual, statistical... 详细信息
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Voxelwise Bayesian lesion-deficit analysis
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NEUROimage 2008年 第4期40卷 1633-1642页
作者: Chen, Rong Hillis, Argye E. Pawlak, Mikolaj Herskovits, Edward H. Univ Penn Dept Radiol Philadelphia PA 19104 USA Dept Neurol Baltimore MD USA
Relating cognitive deficits to the presence of lesions has been an important means of delineating structure-function associations in the human brain. We propose a voxel-based Bayesian method for lesion-deficit analysi... 详细信息
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Labeling of ambiguous subvoxel fibre bundle configurations in high angular resolution diffusion MRI
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NEUROimage 2008年 第1期41卷 58-68页
作者: Savadjiev, Peter Campbell, Jennifer S. W. Descoteaux, Maxime Deriche, Rachid Pike, G. Bruce Siddiqi, Kaleem McGill Univ Ctr Intelligent Machines Montreal PQ Canada McGill Univ Sch Comp Sci Montreal PQ Canada McGill Univ McConnell Brain Imaging Ctr Montreal Neurol Inst Montreal PQ Canada INRIA Sophia Antipolis Project Team Odyssee Sophia Antipolis France
Whereas high angular resolution reconstruction methods for diffusion MRI can estimate multiple dominant fibre orientations within a single imaging voxel, they are fundamentally limited in certain cases of complex subv... 详细信息
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SENSE factors for reliable cortical thickness measurement
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NEUROimage 2008年 第1期40卷 187-196页
作者: Park, Hae-Jeong Youn, Tak Jeong, Seok-Oh Oh, Maeng-Keun Kim, Sei-Young Kim, Eung-Yeop Yonsei Univ Coll Med Res Inst Radiol Sci Dept Radiol Seoul 120749 South Korea Yonsei Univ Coll Med Brain Korea 21 Proj Med Sci Seoul South Korea Yonsei Univ Coll Med Dept Nucl Med Seoul South Korea Chonnam Natl Univ Sch Med Dept Psychiat Kwangju South Korea Hankuk Univ Foreign Studies Dept Stat Yongin South Korea
The purposes of this study were to examine the effect of sensitivity encoding (SENSE) factors on cortical thickness measurements and to determine which SENSE factor to use to reliably measure cortical thickness in 3.0... 详细信息
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