Fast-marching fiber tracking method based on topology preservation
A fiber and topology technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of indistinct fiber orientation and multiple false positive branches, and achieve good noise robustness and false positive branches. Reduced, effect of good topology
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[0027] see figure 1 In view of the problems existing in the fast-traveling fiber tracking method, the present invention provides a topology-preserving fast-traveling fiber tracking method, including the following aspects:
[0028] A. DTI data processing
[0029] B. Seed point selection and initialization
[0030] C. Topology-preserving surface evolution using a curvature-weighted velocity function
[0031] D. Determine all paths using the time gradient descent method
[0032] E. Use the connectivity matrix to select real fiber paths
[0033] see figure 2 , the following will introduce in detail the topology-preserving fast-travel fiber tracking method of the present invention and how to use it to realize fiber tracking.
[0034] ·DTI data processing
[0035] Read pictures and organize them into three-dimensional data. During the imaging process, due to electronic interference and the influence of the external environment, medical images often contain noise, so filters a...
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