J Med Phys Close
 

Figure 6: A slice of reconstructed image from cold-spheres in hot-background phantom ( first row), and hot-spheres in cold-background phantom (second row) by using 128 × 128 projection image matrix with pixel size 0.3 cm and the number of (a) 32, (b) 64, and (c) 128 views

Figure 6: A  slice of reconstructed image from cold-spheres in hot-background phantom ( first row), and hot-spheres in cold-background phantom (second row) by using 128 × 128 projection image matrix with pixel size 0.3 cm and the number of (a) 32, (b) 64, and (c) 128 views