Results 11 to 20 of about 56,536 (254)

Diffusion tensor imaging and beyond [PDF]

Magnetic Resonance in Medicine, 2011
The diffusion of water molecules inside organic tissues is often anisotropic (1). Namely, if there are aligned structures in the tissue, the apparent diffusion coefficient (ADC) of water may vary depending on the orientation along which the diffusion-weighted (DW) measurements are taken.
Tournier, Jacques-Donald, Mori, Susumu, Leemans, Alexander   +2 more
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Exploiting Spatial Information to Enhance DTI Segmentations via Spatial Fuzzy c-Means with Covariance Matrix Data and Non-Euclidean Metrics

Applied Sciences, 2021
A diffusion tensor models the covariance of the Brownian motion of water at a voxel and is required to be symmetric and positive semi-definite. Therefore, image processing approaches, designed for linear entities, are not effective for diffusion tensor ...
Safa Elsheikh, Andrew Fish, Diwei Zhou
doaj   +1 more source

In ovo monitoring of smooth muscle fiber development in the chick embryo: diffusion tensor imaging with histologic correlation. [PDF]

PLoS ONE, 2012
BACKGROUND: Magnetic resonance imaging is a noninvasive method of evaluating embryonic development. Magnetic resonance diffusion tensor imaging, which is based on the measuring the directional diffusivity of water molecules, is an established method of ...
Jianrong Xu, Zachary Delproposto, Zien Zhou, Huicong Shen, Stephanie Yang Xuan, Qing Hang Li, E Mark Haacke, Jiani Hu   +7 more
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Diffusion Tensor Imaging in Joubert Syndrome [PDF]

American Journal of Neuroradiology, 2007
Neuropathologic findings and preliminary imaging studies demonstrated the absence of pyramidal tract and superior cerebellar peduncular decussation in individual patients with Joubert syndrome (JS). We hypothesized that functional-structural neuroimaging findings do not differ between the genetic forms of JS.MR imaging was performed with a 3T MR ...
PORETTI A, BOLTSHAUSER E, LOENNEKER T, VALENTE EM, F. BRANCATI, IL'YASOV K, HUISMAN TA   +6 more
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Voxel-based clustered imaging by multiparameter diffusion tensor images for glioma grading

NeuroImage: Clinical, 2014
Gliomas are the most common intra-axial primary brain tumour; therefore, predicting glioma grade would influence therapeutic strategies. Although several methods based on single or multiple parameters from diagnostic images exist, a definitive method for
Rika Inano, Naoya Oishi, Takeharu Kunieda, Yoshiki Arakawa, Yukihiro Yamao, Sumiya Shibata, Takayuki Kikuchi, Hidenao Fukuyama, Susumu Miyamoto   +8 more
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Longitudinal brain white matter alterations in minimal hepatic encephalopathy before and after liver transplantation. [PDF]

PLoS ONE, 2014
Cerebral edema is the common pathogenic mechanism for cognitive impairment in minimal hepatic encephalopathy. Whether complete reversibility of brain edema, cognitive deficits, and their associated imaging can be achieved after liver transplantation ...
Wei-Che Lin, Kun-Hsien Chou, Chao-Long Chen, Hsiu-Ling Chen, Cheng-Hsien Lu, Shau-Hsuan Li, Chu-Chung Huang, Ching-Po Lin, Yu-Fan Cheng   +8 more
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A hitchhiker's guide to diffusion tensor imaging [PDF]

Frontiers in Neuroscience, 2013
Diffusion Tensor Imaging (DTI) studies are increasingly popular among clinicians and researchers as they provide unique insights into brain network connectivity. However, in order to optimize the use of DTI, several technical and methodological aspects must be factored in.
Jose eSoares, Jose eSoares, Paulo eMarques, Paulo eMarques, Paulo eMarques, Victor eAlves, Nuno eSousa, Nuno eSousa   +7 more
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Robust Reversible Watermarking Algorithm for Diffusion Tensor Images [PDF]

Jisuanji gongcheng
Diffusion Tensor Imaging (DTI) is a commonly used nuclear magnetic resonance imaging technology. To protect the copyright of diffusion tensor images and ensure the integrity of diffusion tensor data, a two-stage robust reversible watermarking algorithm ...
LI Dandan, LI Zhi, ZHENG Long, ZHANG Li
doaj   +1 more source

The Diffusion Tensor Imaging Toolbox [PDF]

The Journal of Neuroscience, 2012
During the past few years,The Journal of Neurosciencehas published more than 30 articles that describe investigations that used Diffusion Tensor Imaging (DTI) and related techniques as a primary observation method. This illustrates a growing interest in DTI within the basic and clinical neuroscience communities.
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MultiCenter Reliability of Diffusion Tensor Imaging [PDF]

Brain Connectivity, 2012
A number of studies are now collecting diffusion tensor imaging (DTI) data across sites. While the reliability of anatomical images has been established by a number of groups, the reliability of DTI data has not been studied as extensively. In this study, five healthy controls were recruited and imaged at eight imaging centers.
Vincent Magnotta, Joy T. Matsui, Dawei Liu, Hans J. Johnson, Jeffrey D. Long, Bradley D. Bolster Jr., Bryon A. Mueller, Kelvin O. Lim, Susumu Mori, Karl G. Helmer, Jessica A. Turner, Sarah A. J. Reading, Mark J. Lowe, Elizabeth H. Aylward, Laura A. Flashman, Greg Bonett, Jane S. Paulsen   +16 more
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