The reconstruction images for brain phantom for count level 2 and 3.

<p>From left to right, the reconstruction images are the results of the ML-EM (first), the sum of two components of SLCR (ST + SP, second), the stationary (ST, third) and time-varying (SP, forth) components of the SLCR for the brain phantom at the #10 frame in count Level 2 to 3.</p>