Research Article

Improved Complex Convolutional Neural Network Based on SPIRiT and Dense Connection for Parallel MRI Reconstruction

Table 6

Comparisons of average PSNR and SSIM values with standard deviation of the MR images reconstructed by SPIRiT, Deepcomplex, Deepcomplex with SCB, and our proposed SPIRiT-Net on the Coronal-PD dataset under the 2DPU pattern.

Reconstruction modelThreefold AFFivefold AF
PSNR (dB)SSIMPSNR (dB)SSIM

SPIRiT39.398 ± 2.7620.928 ± 0.02636.832 ± 2.4500.883 ± 0.034
Deepcomplex39.491 ± 2.7040.934 ± 0.02237.151 ± 2.4500.894 ± 0.034
Deepcomplex with SCB40.551 ± 1.5910.940 ± 0.01238.595 ± 1.5150.916 ± 0.015
SPIRiT-Net40.869 ± 1.7020.942 ± 0.01638.941 ± 1.6060.919 ± 0.019

The best values are in bold.