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Abstract #2741

A Comparison of Fiber Tracking by Different Numerical Integration Methods

Purwar A, Sarma M, Singh A, Bayu G, Rathore D, Rathore R, Gupta R, Saksena S, Trivedi R
Indian Institute of Technology

We present the results of fiber tracking using Euler (E), Modified Euler (M) and Runge-Kutta (R) schemes, using nearest neighbor (N) and trilinear (T) interpolations and step sizes h=1, , 1/3 and 1/4. The tracking results agree with the anatomy of the corpus callosum. The fiber volume from M is larger than from E and R for h = 1/2. The functional evaluations at each step in the tracking are 1, 2 and 4 for E, M and R, respectively. Till an optimum method is achieved, M using h=1/2 with T is recommended as it generates more fiber data volume.