J OURNAL C LUB : “General Formulation for Quantitative G-factor Calculation in GRAPPA...
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Theory: GRAPPA Interpolate missing data in k- space from neighboring samples with a kernel – Other coils are considered neighbors Attain the linear interpolation weights from central ACS region – Here R=3 and using a 2x3(?) kernel – S src [N c N src x N rep ] – S trg [N c N trg x N rep ] – w [N c N trg x N c N src ] Input the source samples from all coils Output the target points for all coils
