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Visualizing scalar fields in the brain using abstracted fiber tracts

Pijpker, RJ (2015) Visualizing scalar fields in the brain using abstracted fiber tracts. Master's Thesis / Essay, Computing Science.

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Abstract

Visualizing scalar fields in the brain is challenging due to occlusion. A widely-used method to be able to show scalar fields without occlusion is by using slice planes. This has the disadvantage of being two dimensional, losing the overview that a three dimensional visualization gives. This thesis discusses and shows multiple techniques and methods to show scalar fields in the brain in a three dimensional space by using abstracted fiber tracts. Fiber tracts of main brain structures are bundled, reducing the complexity of the data from about 80.000 tracts to a couple dozen bundles. These bundles can be used to project the scalar fields on. For this thesis, we have implemented the construction of the abstracted fiber tracts and we have created an application that uses OpenGL to visualize the abstracted fiber tracts and the scalar values. We discuss the construction of the abstracted fiber tracts, as well as the visualization of the fiber tracts in OpenGL and the interactive maneuvering through the data.

Item Type: Thesis (Master's Thesis / Essay)
Degree programme: Computing Science
Thesis type: Master's Thesis / Essay
Language: English
Date Deposited: 15 Feb 2018 08:09
Last Modified: 15 Feb 2018 08:09
URI: http://fse.studenttheses.ub.rug.nl/id/eprint/13408

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