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EJNMMI Physics
Fig. 1 | EJNMMI Physics

Fig. 1

From: Characterization of point-spread function specification error on Geometric Transfer Matrix partial volume correction in [11C]PiB amyloid imaging

Fig. 1

Plots of apparent SUVR vs the full-width at half-maximum (w) of the Gaussian kernel used in the applied GTM correction. The SUVR scale is logarithmic. Plots are shown for the global region and all [11C]PiB quantitation regions. The w values indicated are the values applied in the x and y directions (transaxially) and nearly so in the axial direction (see text). Separate colors are used for each of the 29 subjects and span the range of typical [11C]PiB uptake. Individual measurements are shown by plot symbols; lines are shown only as a guide. Points at w = 0 correspond to results with no GTM applied whereas those at w = 5 correspond to application of GTM PVC using our standard Gaussian kernel

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