Research Article
Improved Complex Convolutional Neural Network Based on SPIRiT and Dense Connection for Parallel MRI Reconstruction
Table 1
The symbols used in Algorithm
1.
| Parameter | Value |
| The fully sampled MR image | | The MR image to be reconstructed | | The k-space data to be reconstructed | | The undersampled k-space data | | The SPIRiT calibration kernel | | The operator that selects the nonacquired points | | The operator that puts the acquired points back | | The operator that puts the nonacquired points back | | The convolution units | | The dense concatenation operation | |
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