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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31-40 订阅
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Automatic anatomical brain MRI segmentation combining label propagation and decision fusion
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NEUROimage 2006年 第1期33卷 115-126页
作者: Heckemann, Rolf A. Hajnal, Joseph V. Aljabar, Paul Rueckert, Daniel Hammers, Alexander Univ London Imperial Coll Sci Technol & Med MRC Clin Sci Ctr Imaging Sci Dept London W12 0HS England Univ London Imperial Coll Sci Technol & Med Dept Comp London W12 0HS England Univ London Imperial Coll Sci Technol & Med MRC Clin Sci Ctr Div Neurosci & Mental Hlth London W12 0HS England
Regions in three-dimensional magnetic resonance (MR) brain images can be classified using protocols for manually segmenting and labeling structures. For large cohorts, time and expertise requirements make this approac... 详细信息
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Parallel networks operating across attentional deployment and motion processing: A multi-seed partial least squares fMRI study
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NEUROimage 2006年 第4期29卷 1192-1202页
作者: Caplan, JB Luks, TL Simpson, GV Glaholt, M McIntosh, AR Baycrest Ctr Geriatr Care Rotman Res Inst Toronto ON M6A 2E1 Canada Univ Calif San Francisco Dynam Neuroimaging Lab San Francisco CA 94143 USA
Anticipatory deployment of attention may operate through networks of brain areas that modulate the representations of to-be-attended items in advance of their occurrence through top-down control. Luks and Simpson (200... 详细信息
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Functional localization in the human cerebellum based on voxelwise statistical analysis: A study of 90 patients
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NEUROimage 2006年 第1期30卷 36-51页
作者: Schoch, B Dimitrova, A Gizewski, ER Timmann, D Univ Duisburg Essen Dept Neurosurg D-45122 Essen Germany Univ Duisburg Essen Dept Neurol D-45122 Essen Germany Univ Duisburg Essen Dept Neuroradiol D-45122 Essen Germany
The aim of the present study was to examine somatotopy in the cerebellar cortex and a possible differential role of the cerebellar cortex and nuclei in functional outcome. Clinical findings and 3D MRI-based cerebellar... 详细信息
来源: 评论
Reproducibility and reliability of MR measurements in white matter: Clinical implications
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NEUROimage 2006年 第2期32卷 637-642页
作者: Vavasour, Irene M. Clark, Campbell M. Li, David K. B. MacKay, Alex L. Univ British Columbia Dept Radiol Vancouver BC V6T 2B5 Canada Univ British Columbia Dept Psychiat Vancouver BC V6T 2B5 Canada Univ British Columbia Dept Phys & Astron Vancouver BC V6T 2B5 Canada
The purpose of this study was to determine the reproducibility and reliability of five MRI-derived measurements, namely, total water content (WC), myelin water content (MWC), mean T-2 relaxation time (GMT(2)), T-1 rel... 详细信息
来源: 评论
Optimization of dynamic measurement of receptor kinetics by wavelet denoising
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NEUROimage 2006年 第2期30卷 444-451页
作者: Alpert, NM Reilhac, A Chio, TC Selesnick, I Massachusetts Gen Hosp Div Nucl Med Boston MA 02129 USA McConnell Brain Imaging Ctr Montreal Neurol Inst Montreal PQ Canada Polytech Univ Dept Elect & Comp Engn Brooklyn NY 11201 USA
The most important technical limitation affecting dynamic measurements with PET is low signal-to-noise ratio (SNR). Several reports have suggested that wavelet processing of receptor kinetic data in the human brain ca... 详细信息
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A method for generating reproducible evidence in fMRI studies
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NEUROimage 2006年 第2期29卷 383-395页
作者: Liou, M Su, HR Lee, JD Aston, JAD Tsai, AC Cheng, PE Acad Sinica Inst Stat Sci Taipei 115 Taiwan
Insights into cognitive neuroscience from neuroimaging techniques are now required to go beyond the localisation of well-known cognitive functions. Fundamental to this is the notion of reproducibility of experimental ... 详细信息
来源: 评论
Controlled Support MEG imaging
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NEUROimage 2006年 第3期33卷 878-885页
作者: Nagarajan, Srikantan S. Portniaguine, Oleg Hwang, Dosik Johnson, Chris Sekihara, Kensuke Univ Calif San Francisco Dept Radiol Biomagnet Imaging Lab San Francisco CA 94122 USA Univ Utah Sch Comp Sci Comp & Imaging Inst Salt Lake City UT 84108 USA Tokyo Metropolitan Univ Dept Elect Syst & Engn Tokyo 1910065 Japan
In this paper, we present a novel approach to imaging sparse and focal neural current sources from MEG (magnetoencephalography) data. Using the framework of Tikhonov regularization theory, we introduce a new stabilize... 详细信息
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Contribution of alcoholism to brain dysmorphology in HIV infection: Effects on the ventricles and corpus callosum
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NEUROimage 2006年 第1期33卷 239-251页
作者: Pfefferbaum, Adolf Rosenbloom, Margaret J. Rohlfing, Torsten Adalsteinsson, Elfar Kemper, Carol A. Deresinski, Stanley Sullivan, Edith V. Stanford Univ Sch Med Dept Psychiat & Behav Sci Stanford CA 94305 USA SRI Int Neurosci Program Menlo Pk CA 94025 USA Harvard Mit Div Hlth Sci & Technol Boston MA 02115 USA MIT Dept Elect Engn & Comp Sci Boston MA 02115 USA Stanford Univ Sch Med Div Infect Dis Dept Med Stanford CA 94305 USA Santa Clara Valley Med Ctr Stanford CA 94305 USA
Nonrigid registration and atlas-based parcellation methods were used to compare the volume of the ventricular system and the cross-sectional area of the midsagittal corpus callosum on brain MRIs from 272 subjects in f... 详细信息
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Segmentation of subcortical brain structures using fuzzy templates
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NEUROimage 2005年 第4期28卷 915-924页
作者: Zhou, J Rajapakse, JC Nanyang Technol Univ Sch Comp Engn Bioinformat Res Ctr Singapore 639798 Singapore
We propose a novel method to automatically segment subcortical structures of human brain in magnetic resonance images by using fuzzy templates. A set of fuzzy templates of the structures based on features such as inte... 详细信息
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Quantitative angiographic analysis of right ventricular global function in normal Incidences and in patients with coronary artery disease
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ANGIOLOGY 2005年 第2期56卷 137-142页
作者: Batyraliev, TA Pershukov, IV Birand, A Erenler, O Sani Konukoglu Med Ctr Gaziantep Turkey Reg Clin Hosp Voronezh Russia Cukurova Univ Adana Turkey
At present right ventriculography data cannot be accurately estimated owing to the absence of software for quantitative analysis of the right ventricle (RV) volumes and function. The aim of this study was to use exist... 详细信息
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