Explanations

• The GRAPPA Algorithm
  • Background: Parallel Imaging in MRI
  • The GRAPPA Linear Prediction Model
  • Practical Considerations
  • References
• GROG: GRAPPA Operator Gridding
  • From Cartesian GRAPPA to Non-Cartesian Gridding
  • Algorithm Outline
  • Complexity and Accuracy
  • Comparison with the NUFFT
  • References
• Model Extensions
  • Parallel Imaging (Multi-Coil)
  • Low-Rank Temporal Subspace
  • Off-Resonance Correction
  • References