Attenuation Correction for Small Animal PET Images: A Comparison of Two Methods

Table 6

Average values of coincidences calculated in an ROI inside the liver on ¹¹C-acetate rat images. The recovery values estimated with the two AC methods are shown in the last column of the table.

	Roi counts (cps)	RV (%)
Original PET image	174.92	—
CT-AC image	327.04	46.5%
SE-AC image	291.56	35.7%