HFGN: High-Frequency residual Feature Guided Network for fast MRI reconstruction

Faming Fang, Le Hu, Jinhao Liu, Qiaosi Yi, Tieyong Zeng, Guixu Zhang

Abstract: Highlights•Leverage high-frequency priors to boost the MRI reconstruction.•Develop an effective block to utilize high-frequency information.•Design a novel HFGN with complex convolution for complex-valued MRI data.