Brain atlas individualization method and system based on magnetic resonance and twin graph neural network
A neural network and brain map technology, applied in medical science, diagnosis, diagnostic recording/measurement, etc., can solve the problems of slow convergence of iterative schemes and long reconstruction time, and achieve the goals of reducing reconstruction time, improving variance, and ensuring consistency Effect
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[0038] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.
[0039] The invention provides a brain atlas individualization method and system based on magnetic resonance and twin graph neural network, which can express the differences between individuals as much as possible under the condition of ensuring the consistency of the functional areas of the subjects. Construct functional connectivity and adjacency matrices based on subject rs-fMRI data and T1-weighted MRI data as model input; use group atlas to design sampling masks to obtain regions with relatively high consistency as sampling regions, and introduce these two into into the loss function; design a reconstruction model based on the twin graph neural network for training; finally, since the brain map has no real value as an evaluation, select some indicators that can evaluate the rationality of the individual brain map, such as evaluati...
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