Kaczmarz Iterative Projection and Nonuniform Sampling with Complexity Estimates

Figure 3

Semilog (-axis) plot example of normalized convergence error results for K, RK, and RKHA on Shepp-Logan phantom using random and fan tomographic data acquisition sampling and stopping at 10 percent error.

(a) Random sampling of Shepp-Logan

(b) Random sampling of sinc2d()

(c) Fan sampling of Shepp-Logan

(d) Fan sampling of sinc2d()