Brain white matter fiber tracking method based on bidirectional ant colony algorithm of exchange mechanism
An ant colony algorithm and white matter technology, applied in the computer field, can solve problems such as low efficiency, long time consumption, easy to fall into local optimum, etc.
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Embodiment 1
[0065] The first embodiment of the white matter fiber tracking method based on the two-way ant colony algorithm based on the communication mechanism provided by the present application is introduced below, see figure 1 , embodiment one includes:
[0066] S101. Obtain diffusion tensor imaging data;
[0067] S102. Set a first region of interest and a second region of interest at both ends of the fiber to be tracked, initialize the first ant colony to be located in the first region of interest, and initialize the second ant colony to be located in the second region of interest;
[0068] S103. Using the roulette method, control the ants to move according to the linear extension method or according to the pheromone distribution, repeat the moving process until the movement termination condition is reached, and obtain the first path set and the second path set;
[0069] Wherein, the first path set is the path set of the first ant colony from the first area of interest to the seco...
Embodiment 2
[0089] see Figure 5 , embodiment two specifically includes:
[0090] S501. Obtain diffusion tensor imaging data;
[0091] S502. Set a first region of interest and a second region of interest at both ends of the fiber to be tracked, initialize the first ant colony to be located in the first region of interest, and initialize the second ant colony to be located in the second region of interest;
[0092] S503. Determine the feasible point set of the ants in the moving direction; select the target point from the feasible point set according to the linear extension method or according to the pheromone distribution by using the roulette method; control the ants to move to the target point;
[0093] S504, judging whether the mobile termination condition is met, if so, obtain the first path set and the second path set, otherwise enter S503;
[0094] S505. Filter the paths in the first path set and the second path set respectively according to preset feasible path filtering conditio...
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