A magnetic resonance imaging (MRI) system, comprising: a magnetics system comprising: a B0magnet configured to provide a B0field for the MRI system； gradient coils configured to provide gradient fields for the MRI system； and at least one RF coil configured to detect magnetic resonance (MR) signals； and a controller configured to: control the magnetics system to acquire MR spatial frequency data using non-Cartesian sampling； and generate an MR image from the acquired MR spatial frequency data using a neural network model comprising one or more neural network blocks including a first neural network block, wherein the first neural network block is configured to perform data consistency processing using a non-uniform Fourier transformation.本發明揭示一種核磁共振成像(MRI)系統，其包括：一磁性系統，其包括：一B0磁鐵，其經組態以提供用於該MRI系統之一B0場；梯度線圈，其等經組態以提供用於該MRI系統之梯度場；及至少一RF線圈，其經組態以偵測核磁共振(MR)信號；及一控制器，其經組態以：控制該磁性系統以使用非笛卡爾取樣獲取MR空間頻率資料；及使用一神經網路模型自該經獲取之MR空間頻率資料產生一MR影像，該神經網路模型包括包含一第一神經網路區塊之一或多個神經網路區塊，其中該第一神經網路區塊經組態以使用一非均勻傅立葉變換執行資料一致性處理。
