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KMID : 0384620070180040214
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Korean Journal of Medical Physics
2007 Volume.18 No. 4 p.214 ~ p.220
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A Study on the Fiber Tracking Using a Vector Correlation Function in DT-MRI
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Abstract
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Diffusion tensor tractorgraphy which is based on line propagation method with brute force approach is implemented and the vector correlation function is proposed in addition to the conventional fractional anisotrophy value as a criterion to select seed points. For the whole tractography, the proposed method used 41% less seed points than the conventional brute force approach for FA > or =0.3 and most of the fiber tracks in the outer region of white matter were removed. For the corticospinal tract passing through region of interest, the proposed method has produced similar results with 50% less seed points than conventional one.
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KEYWORD
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