NDLI: Human Brain Diffusion Tensor Imaging Visualization With Virtual Reality

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Chen, Bin Moreland, John
Copyright Year	2010
Abstract	Magnetic resonance diffusion tensor imaging (DTI) is sensitive to the anisotropic diffusion of water exerted by its macromolecular environment and has been shown useful in characterizing structures of ordered tissues such as the brain white matter, myocardium, and cartilage. The water diffusivity inside of biological tissues is characterized by the diffusion tensor, a rank-2 symmetrical 3×3 matrix, which consists of six independent variables. The diffusion tensor contains much information of diffusion anisotropy. However, it is difficult to perceive the characteristics of diffusion tensors by looking at the tensor elements even with the aid of traditional three dimensional visualization techniques. There is a need to fully explore the important characteristics of diffusion tensors in a straightforward and quantitative way. In this study, a virtual reality (VR) based MR DTI visualization with high resolution anatomical image segmentation and registration, ROI definition and neuronal white matter fiber tractography visualization and fMRI activation map integration is proposed. The VR application will utilize brain image visualization techniques including surface, volume, streamline and streamtube rendering, and use head tracking and wand for navigation and interaction, the application will allow the user to switch between different modalities and visualization techniques, as well making point and choose queries. The main purpose of the application is for basic research and clinical applications with quantitative and accurate measurements to depict the diffusivity or the degree of anisotropy derived from the diffusion tensor.
Sponsorship	Design Engineering Division and Computers and Information in Engineering Division
Starting Page	137
Ending Page	143
Page Count	7
File Format	PDF
ISBN	9780791849088
DOI	10.1115/WINVR2010-3761
e-ISBN	9780791838693
Conference Proceedings	ASME 2010 World Conference on Innovative Virtual Reality
Language	English
Publisher Date	2010-05-12
Publisher Place	Ames, Iowa, USA
Access Restriction	Subscribed
Subject Keyword	White matter connectivity Human brain visualization Diffusion tensor imaging Virtual reality Brain Visualization Tensors Diffusion (physics) Imaging
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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