Table 1. CNRs and CBRs for restored and unprocessed images. The average values were obtained over 200 microspheres in the brain after detection and manual verification.

Algorithm	Mean Peak Value	Background	CNR	CBR
Unprocessed	26	1.7	27 +/− 5	14 +/− 2
RL	60	1.8	53 +/− 19	32 +/−11
Wiener	54	1.77	51 +/− 16	29 +/− 9
Next-Image	18	0.72	39 +/−15	23 +/− 9