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检索条件"主题词=Image Processing, Computer-Assisted/methods"
290 条 记 录,以下是101-110 订阅
排序:
The Retinal Vasculature as a Fractal: Methodology, Reliability, and Relationship to Blood Pressure
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OPHTHALMOLOGY 2008年 第11期115卷 1951-1956页
作者: Liew, Gerald Wang, Jie Jin Cheung, Ning Zhang, Yong Ping Hsu, Wynne Lee, Mong Li Mitchell, Paul Tikellis, Gabriella Taylor, Bronwen Wong, Tien Yin Univ Sydney Ctr Vis Sci Sydney NSW 2006 Australia Univ Melbourne Royal Victorian Eye & Ear Hosp Ctr Eye Res Australia Melbourne Vic Australia Ningbo Univ Technol Sch Elect & Informat Engn Ningbo Peoples R China Natl Univ Singapore Yong Loo Lin Sch Med Singapore Eye Res Inst Singapore 117595 Singapore Natl Univ Singapore Sch Comp Singapore 117548 Singapore
Objective: Fractals represent a type of derived geometric pattern that permits the characterization of the branching pattern of retinal vessels. We examined a new semiautomated method to measure retinal vessel fractal... 详细信息
来源: 评论
The temporal characteristics of motion processing in hMT/V5+: Combining fMRI and neuronavigated TMS
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NEUROimage 2006年 第4期29卷 1326-1335页
作者: Sack, AT Kohler, A Linden, DEJ Goebel, R Muckli, L Maastricht Univ Fac Psychol Dept Neurocognit NL-6200 MD Maastricht Netherlands Max Planck Inst Brain Res Dept Neurophysiol D-60528 Frankfurt Germany Brain Imaging Ctr D-60590 Frankfurt Germany Univ Wales Sch Psychol Bangor Gwynedd Wales Univ Frankfurt Dept Psychiat D-60528 Frankfurt Germany
Functional imaging has demonstrated the specific involvement of the human middle-temporal complex (hMT/V5+) during processing of moving stimuli. Some studies applied transcranial magnetic stimulation (TMS) to investig... 详细信息
来源: 评论
Complementary information from multi-exponential T2 relaxation and diffusion tensor imaging reveals differences between multiple sclerosis lesions
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NEUROimage 2008年 第1期40卷 77-85页
作者: Kolind, Shannon H. Laule, Comelia Vavasour, Irene M. Li, David K. B. Traboulsee, Anthony L. Maedler, Burkhard Moore, G. R. Wayne MacKay, Alex L. Univ British Columbia MRI Res Ctr Vancouver BC V6T 2B5 Canada Univ British Columbia Dept Radiol Vancouver BC V5Z 1M9 Canada Univ British Columbia Dept Med Vancouver BC V5Z 1M9 Canada Univ British Columbia Dept Pathol & Lab Med Vancouver BC V5Z 1M9 Canada
While conventional magnetic resonance imaging (MRI) has long been used to study multiple sclerosis (MS), more sensitive and specific approaches to studying both MS lesions and normal appearing white matter (NAWM) are ... 详细信息
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Adaptive smoothing of multi-shell diffusion weighted magnetic resonance data by msPOAS
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NEUROimage 2014年 95卷 90-105页
作者: Becker, S. M. A. Tabelow, K. Mohammadi, S. Weiskopf, N. Polzehl, J. Weierstrass Inst Appl Anal & Stochast Berlin Germany UCL Inst Neurol Wellcome Trust Ctr Neuroimaging London England
We present a novel multi-shell position-orientation adaptive smoothing (msPOAS) method for diffusion weighted magnetic resonance data. Smoothing in voxel and diffusion gradient space is embedded in an iterative adapti... 详细信息
来源: 评论
Machine-learning techniques for building a diagnostic model for very mild dementia
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NEUROimage 2010年 第1期52卷 234-244页
作者: Chen, Rong Herskovits, Edward H. Univ Penn Dept Radiol Philadelphia PA 19104 USA
Many researchers have sought to construct diagnostic models to differentiate individuals with very mild dementia (VMD) from healthy elderly people, based on structural magnetic-resonance (MR) images These models have,... 详细信息
来源: 评论
The impact of skull-stripping and radio-frequency bins correction on grey-matter segmentation for voxel-based morphometry
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NEUROimage 2008年 第4期39卷 1654-1665页
作者: Acosta-Cabronero, Julio Williams, Guy B. Pereira, Joao M. S. Pengas, George Nestor, Peter J. Univ Cambridge Addenbrookes Hosp Sch Clin Med Dept Clin NeurosciWolfson Brain Imaging Ctr Cambridge CB2 0QQ England Univ Cambridge Addenbrookes Hosp Sch Clin Med Dept Clin NeurosciNeurol Unit Cambridge CB2 0QQ England
This study evaluates the application of (i) skull-stripping methods (hybrid watershed algorithm (HWA), brain surface extractor (BSE) and brain-extraction tool (BET2)) and (ii) bias correction algorithms (nonparametric... 详细信息
来源: 评论
An automated strategy for the delineation and parcellation of commissural pathways suitable for clinical populations utilising high angular resolution diffusion imaging tractography
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NEUROimage 2010年 第3期50卷 1044-1053页
作者: Pannek, Kerstin Mathias, Jane L. Bigler, Erin D. Brown, Greg Taylor, Jamie D. Rose, Stephen Univ Queensland Clin Res Ctr Brisbane Qld 4029 Australia Univ Queensland Ctr Magnet Resonance Brisbane Qld 4029 Australia Univ Adelaide Sch Psychol Adelaide SA Australia Brigham Young Univ Dept Psychol & Neurosci Provo UT 84602 USA Royal Adelaide Hosp Magnet Resonance Imaging Unit Adelaide SA 5000 Australia Univ Queensland Ctr Med Diagnost Technol Queensland St Lucia Qld Australia
There is a growing interest in understanding;alterations to the interhemispheric transfer of information as a result of brain injury and neurological disease. To facilitate research, we have developed a fully automate... 详细信息
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Variable precision registration via wavelets: Optimal spatial scales for inter-subject registration of functional MRI
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NEUROimage 2006年 第1期31卷 197-208页
作者: Suckling, J. Long, C. Triantafyllou, C. Brammer, M. Bullmore, Edward T. Univ Cambridge Addenbrookes Hosp Dept Psychiat Brain Mapping Unit Cambridge CB2 2QQ England HMS MIT MGH Martinos Ctr Biomed Imaging Cambridge MA 02139 USA Kings Coll London Inst Psychiat London WC2R 2LS England
The detection of significantly activated brain regions in multi-subject functional magnetic resonance imaging (fMRI) studies almost invariably entails the coregistration of individual subjects' data in a standard ... 详细信息
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Dissociable controlled retrieval and generalized selection mechanisms in ventrolateral prefrontal cortex
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NEURON 2005年 第6期47卷 907-918页
作者: Badre, D Poldrack, RA Paré-Blagoev, EJ Insler, RZ Wagner, AD Stanford Univ Dept Psychol Stanford CA 94305 USA Stanford Univ Neurosci Program Stanford CA 94305 USA MIT Dept Brain & Cognit Sci Cambridge MA 02139 USA Univ Calif Los Angeles Dept Psychol Los Angeles CA 90095 USA Univ Calif Los Angeles Brain Res Inst Los Angeles CA 90095 USA Harvard Univ Grad Sch Educ Cambridge MA 02138 USA Martinos Ctr Biomed Imaging Charlestown MA USA
How does ventrolateral prefrontal cortex (VLPFC) control mnemonic processing? Alternative models propose that VLPFC guides top-down (controlled) retrieval of knowledge from long-term stores or selects goal-relevant pr... 详细信息
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Multivariate examination of brain abnormality using both structural and functional MRI
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NEUROimage 2007年 第4期36卷 1189-1199页
作者: Fan, Yong Rao, Hengyi Hurt, Hallam Giannetta, Joan Korczykowski, Marc Shera, David Avants, Brian B. Gee, James C. Wang, Jiongjiong Shen, Dinggang Univ Penn Dept Radiol Philadelphia PA 19104 USA Univ Penn Ctr Funct Neuroimaging Dept Neurol Philadelphia PA 19104 USA Childrens Hosp Philadelphia Dept Pediat Div Neonatol Philadelphia PA 19104 USA
A multivariate classification approach has been presented to examine the brain abnormalities, i.e., due to prenatal cocaine exposure, using both structural and functional brain images. First, a regional statistical fe... 详细信息
来源: 评论