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- W2907977133 abstract "Geometrically, a diffusion tensor can be thought of as an ellipsoid with its three axes oriented along the tensor's three perpendicular eigenvectors and semi-axis lengths proportional to the square root of eigenvalues of the tensor mean diffusion distances. This chapter develops a new technique for tracing anatomical fibers from 3D diffusion-tensor magnetic resonance imaging (DT-MRI) tensor fields, recovering identifiable anatomical structures that correspond to many of the white matter brain-fiber pathways. It is found that simple component-wise interpolation of the tensors, forming a crude continuous approximate tensor field, worked well for extracting brain-fiber directions when combined with a moving least-squares filtering approach. Noninvasive DT-MRI brain-mapping techniques could have many important future diagnostic applications, ranging from research techniques for determining the wiring in a live human brain to clinical applications for patients with disruption of fiber tracts due to brain injuries such as stroke or physical trauma." @default.
- W2907977133 created "2019-01-11" @default.
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- W2907977133 date "2005-01-01" @default.
- W2907977133 modified "2023-09-27" @default.
- W2907977133 title "Oriented Tensor Reconstruction Portions reprinted, with permission, from Zhukov and Barr [26]. Copyright © 2002, IEEE." @default.
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- W2907977133 doi "https://doi.org/10.1016/b978-012387582-2/50017-4" @default.
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