J Med Phys Close
 

Figure 11: A slice of reconstructed image of cold-spheres in hot-background phantom ( first row), and hot-sphere in cold-background phantom (second row), (a) without use of a filter, and by using five filters: (b) Hann (c) Hamming, (d) Cosine (e) Ram-Lak and (f) Shepp-Logan.

Figure 11: A slice of reconstructed image of cold-spheres in hot-background phantom ( first row), and hot-sphere in cold-background phantom (second row), (a) without use of a filter, and by using five filters: (b) Hann (c) Hamming, (d) Cosine (e) Ram-Lak and (f) Shepp-Logan.