Polychromatic Iterative Statistical Material Image Reconstruction for Photon-Counting Computed Tomography

Figure 4

Reconstructed material images from data of an ideal PCD with the proposed algorithm with an energy resolution of 5 keV, after 1000 iterations and a subtraction of the respective ground truth image.

(a) Iodine image; ground truth; ,

(b) Water image; ground truth; ,

(c) Iodine image; 1000 iterations, ground truth; ; ,

(d) Water image; 1000 iterations, ground truth; ; ,

(e) Iodine image; 1000 iterations, ground truth; ,

(f) Water image; 1000 iterations, ground truth; ,