Deep learning techniques for generating magnetic resonance images from spatial frequency data

A magnetic resonance imaging (MRI) system, comprising:

• a magnetics system having a plurality of magnetics components to produce magnetic fields for performing MRI;
• and
• at least one processor configured to perform:
• obtaining input MR spatial frequency data obtained by imaging the subject using the MRI system;
• generating an MR image of the subject from the input MR spatial frequency data using a neural network model comprising:
• a pre-reconstruction neural network configured to process the input MR spatial frequency data;
• a reconstruction neural network configured to generate at least one initial image of the subject from processed MR spatial frequency data output by the pre-reconstruction neural network;
• and
• a post-reconstruction neural network configured to generate the MR image of the subject from the at least one initial image of the subject output by the reconstruction neural network.

At least one non-transitory computer readable storage medium storing processor-executable instructions that, when executed by at least one processor, cause the at least one processor to perform a method for generating magnetic resonance (MR) images of a subject from MR data obtained by a magnetic resonance imaging (MRI) system, the method comprising:

• obtaining input MR spatial frequency data obtained by imaging the subject using the MRI system;
• generating an MR image of the subject from the input MR spatial frequency data using a neural network model comprising:
• a pre-reconstruction neural network configured to process the input MR spatial frequency data;
• a reconstruction neural network configured to generate at least one initial image of the subject from processed MR spatial frequency data output by the pre-reconstruction neural network;
• and
• a post-reconstruction neural network configured to generate the MR image of the subject from the at least one initial image of the subject output by the reconstruction neural network.