FIGURE 4. (A) Act_Conc_max versus slice number (amplitude). RCDPET technique shows capability comparable to that of RGPET technique in recovering correct Act_Conc_max, which is distorted because of respiratory motion. (B) SD of activity concentration within multiple transaxial slices of lesion (thus motion amplitudes), measured in both RCDPET and RGPET techniques, shows comparable noise level. AC_max = Act_Conc_max.

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