K. Sakai and K. Koyamada (Japan)
DT-MRI, degenerate area, discriminant, tractography
In this paper, we propose some new degenerate tensor discriminants to determine the position of fiber crossing points in a given human brain white matter. This method utilizes the tensor elements obtained from DT-MRI acquisition for calculating these discriminants. We employed the relationship between the solutions and coefficients of the twice differentiated characteristic equation. We verified our proposal by using a synthetic tensor generated from DT-MRI data. Our proposal has shown effective on reducing the computation time for obtaining the degenerate points.
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