Magnetic resonance spectrum noise reduction method based on neural network
A neural network and magnetic resonance technology, applied in neural learning methods, biological neural network models, neural architectures, etc., can solve problems such as poor performance of magnetic resonance spectral signals
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[0051] The following embodiments will further illustrate the present invention in conjunction with the accompanying drawings.
[0052] In the embodiment of the present invention, 8 subjects are used as training sources, and another subject is used as a test source. The network parameters are obtained through several iterations of network training. Finally, the first 14 acquisition data of one subject used for the test were input into the network as the noise-reducing spectrum data containing high noise to verify the noise reduction effect of this method.
[0053] 1) Collect 116 magnetic resonance spectrum signals from the same subject. Collect 8 samples, allowing different collectors to have different contents of metabolites of interest, peak heights and phases of corresponding metabolites, and noise. Finally, 928 spectra are obtained to form the training source.
[0054] According to the training source, for the 116 collections of a subject, 14 were randomly selected from ...
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