The reconstruction images for the cardiac phantoms in the count Level 2.

<p>From the top to bottom, the first line is the images reconstructed by ML-EM, the second line is the images of the sum of stationary and time-varying components of SLCR (ST + SP), the third line is the images of the stationary component of SLCR, and the last line is the images of the time-varying component of SLCR.</p>