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检索条件"主题词=Image Processing, Computer-Assisted/methods"
290 条 记 录,以下是161-170 订阅
排序:
A robust method for extraction and automatic segmentation of brain images
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NEUROimage 2002年 第3期17卷 1087-1100页
作者: Kovacevic, N Lobaugh, NJ Bronskill, MJ Levine, B Feinstein, A Black, SE Sunnybrook & Womens Coll Hlth Sci Ctr Toronto ON Canada Univ Toronto Toronto ON Canada Rotman Res Inst Baycrest Ctr Geriatr Care Toronto ON Canada
A new protocol is introduced for brain extraction and automatic tissue segmentation of MR images. For the brain extraction algorithm, proton density and T2-weighted images are used to generate a brain mask encompassin... 详细信息
来源: 评论
Achalasia: A New Clinically Relevant Classification by High-Resolution Manometry
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GASTROENTEROLOGY 2008年 第5期135卷 1526-1533页
作者: Pandolfino, John E. Kwiatek, Monika A. Nealis, Thomas Bulsiewicz, William Post, Jennifer Kahrilas, Peter J. Northwestern Univ Feinberg Sch Med Dept Med Div Gastroenterol Chicago IL 60611 USA
Background & Aims: Although the diagnosis of achalasia. hinges on demonstrating impaired esophagogastric junction (EGJ) relaxation and aperistalsis, 3 distinct patterns of aperistalsis are discernable with high-re... 详细信息
来源: 评论
Factors underlying prefrontal and insula structural alterations in smokers
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NEUROimage 2011年 第1期54卷 42-48页
作者: Zhang, Xiaochu Salmeron, Betty Jo Ross, Thomas J. Geng, Xiujuan Yang, Yihong Stein, Elliot A. Natl Inst Drug Abuse Neuroimaging Res Branch Intramural Res Program NIH Baltimore MD 21224 USA
Based upon previous reports of alterations in white matter integrity and gray matter density in smokers, we examined these markers in a large, well-matched sample of smokers and non-smokers. We further investigated th... 详细信息
来源: 评论
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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Spatial extent of pigment epithelial detachments in age-related macular degeneration
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OPHTHALMOLOGY 1999年 第9期106卷 1830-1840页
作者: Kunze, C Elsner, AE Beausencourt, E Moraes, L Hartnett, ME Trempe, CL Schepens Eye Res Inst Boston MA 02114 USA Schepens Retina Assoc Boston MA USA Harvard Univ Sch Med Boston MA USA Univ Klin Augenheilkunde & Optometrie Innsbruck Austria Augenklin Univ Regensburg Germany Univ Estadual Campinas Campinas Brazil
Objective: To quantify the spatial extent of pigment epithelial detachment (PED) associated with age-related macular degeneration (AMD) using a rapid, noninvasive method. Design: Prospective, cross-sectional study. Pa... 详细信息
来源: 评论
Single-trial coupling of the gamma-band response and the corresponding BOLD signal
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NEUROimage 2010年 第3期49卷 2238-2247页
作者: Mulert, C. Leicht, G. Hepp, P. Kirsch, V. Karch, S. Pogarell, O. Reiser, M. Hegerl, U. Jaeger, L. Moller, H. J. McCarley, R. W. Univ Munich Dept Psychiat & Psychotherapy D-80336 Munich Germany Harvard Univ Dept Psychiat Sch Med Brockton MA 02401 USA VA Boston Healthcare Syst Brockton MA USA Univ Med Ctr Hamburg Eppendorf Ctr Psychosocial Med Dept Psychiat & Psychotherapy Hamburg Germany Univ Munich Inst Clin Radiol D-80336 Munich Germany Univ Leipzig Dept Psychiat & Psychotherapy Leipzig Germany
Oscillations in the gamma-band frequency range have been described to be more closely connected to hemodynamic changes as assessed with functional magnetic resonance imaging (fMRI) than other aspects of neuronal activ... 详细信息
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Automatic segmentation of thalamic nuclei from diffusion tensor magnetic resonance imaging
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NEUROimage 2003年 第2期19卷 391-401页
作者: Wiegell, MR Tuch, DS Larsson, HBW Wedeen, VJ Massachusetts Gen Hosp Athinoula A Martinos Ctr Biomed Imaging Charlestown MA 02129 USA Hvidovre Univ Hosp Danish Res Ctr Magnet Resonance DK-2650 Hvidovre Denmark Harvard Univ MIT Div Hlth Sci & Technol Cambridge MA 02139 USA
The nuclei of the thalamus have traditionally been delineated by their distinct cyto/myeloarchitectural appearance on histology. Here, we show that diffusion tensor magnetic resonance imaging (DTI) can noninvasively r... 详细信息
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Reducing the unwanted draining vein BOLD contribution in fMRI with statistical post-processing methods
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NEUROimage 2007年 第1期37卷 177-188页
作者: Nencka, Andrew S. Rowe, Daniel B. Med Coll Wisconsin Dept Biophys Milwaukee WI 53226 USA
Recent BOLD fMRI data analysis methods show promise in reducing contributions from draining veins. The phase regressor method developed by [Menon, R.S., 2002. Post-acquisition suppression of large-vessel BOLD signals ... 详细信息
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INITIAL REACTION-KINETICS OF SUCCINATE-DEHYDROGENASE IN MOUSE-LIVER STUDIED WITH A REAL-TIME image ANALYZER SYSTEM
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HISTOCHEMISTRY 1992年 第1期98卷 7-12页
作者: NAKAE, Y STOWARD, PJ UNIV DUNDEE DEPT ANAT & PHYSIOLDUNDEE DD1 4HNSCOTLAND
The initial reaction kinetics of succinate dehydrogenase in situ were investigated in sections of mouse unfixed liver using an ARGUS-100 image analyser system. The sections were incubated on substrate-containing agaro... 详细信息
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Dual-Core Beamformer for obtaining highly correlated neuronal networks in MEG
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NEUROimage 2011年 第1期54卷 253-263页
作者: Diwakar, Mithun Huang, Ming-Xiong Srinivasan, Ramesh Harrington, Deborah L. Robb, Ashley Angeles, Annemarie Muzzatti, Laura Pakdaman, Reza Song, Tao Theilmann, Rebecca J. Lee, Roland R. Univ Calif San Diego Radiol Imaging Lab Dept Radiol San Diego CA 92121 USA Univ Calif San Diego Dept Bioengn San Diego CA 92121 USA VA San Diego Healthcare Syst Res Serv San Diego CA USA VA San Diego Healthcare Syst Serv Radiol San Diego CA USA Univ Calif Irvine Dept Cognit Sci Irvine CA 92717 USA Univ Calif Irvine Dept Biomed Engn Irvine CA USA
The "Dual-Core Beamformer" (DCBF) is a new lead-field based MEG inverse-modeling technique designed for localizing highly correlated networks from noisy MEG data. Conventional beamformer techniques are succe... 详细信息
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