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Illustration of k-space filling showing k-space samples with multiple heartbeats (zoomed to show 1st 32 of 144 PE lines, and 1st 5 of 30 output cardiac phases) acquired over 60 s with initial temporal resolution of 110 ms and final resolution of 33 ms (at 57 bpm). The black dots represent samples that are accepted by the respiratory gating signal and the gray squares (in the zoomed matrix) represent all the acquired data.
