Fig. 8From: A method to assess image quality for Low-dose PET: analysis of SNR, CNR, bias and image noiseMinimum number of counts needed to keep (a) COV for SUVmean, (b) STE of SUVmean, (c) SUVmean bias, (d) COV for SUVmax, (e) STE of SUVmax and (f) SUVmax bias below a given percent level, for TB lesions. Lesions are separated in two classes: smaller than 5 ml and bigger than 5 mlBack to article page