Magnetic resonance imaging method and device
A magnetic resonance imaging and imaging method technology, applied in the field of medical imaging, can solve problems such as long acquisition time of k-space data, impossibility of obtaining full or super-full sampling k-space data, limited data acquisition time, etc.
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[0049] A prerequisite for DNN to be applied to accelerate magnetic resonance scanning is the need to train DNN. The training set sample used during training includes two parts: one part is an input sample, and the other part is an output sample. The input sample can be an image with a low signal-to-noise ratio, and the input sample can be obtained from down-sampled data. The output samples are usually high-quality and low-noise images. Only by deep learning of the input samples and output samples can a deep learning network capable of removing noise be obtained.
[0050] For applications that do not have motion or do not require high time resolution, the training set required for deep learning can be obtained regardless of the acquisition time. The output training samples can be collected by full sampling or super full sampling. The output training samples can be full Sampling or super-sampling K-space data or the image corresponding to the K-space data. The input training sa...
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