Figure 2
From: Segmented golden ratio radial reordering for dynamic cardiac MRI with variable temporal resolution
a) Computer simulation results of conventional non-ECG-gated GA, ECG-gated GA and the segmented GA. Both the non-ECG-gated GA and the segmented GA provide near-uniform sampling pattern and reconstructed images with good quality while the reconstructed image in ECG-gated GA case has streaking artifacts due to poor sampling uniformity. b) For both 2D (216 radial views, temporal resolution 48ms) and 3D (144 views, 120ms), the proposed segmented GA approach offers much improved image quality than ECG-gated GA even though same number of radial views were used for reconstruction.