Numerical simulation results.
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Abstract
<p>(a) and (b) are the images of the axial mid-plane of the Defrise phantom reconstructed by FDK and AIR algorithms respectively, which correspond to the case with a cone-beam angle of 0<sup>∘</sup>. (d) and (e) are the sagittal slices reconstructed by FDK and AIR algorithms respectively, which have a maximum cone-beam angle of 6<sup>∘</sup>. Starting from the bottom, the central layer of each disc corresponds to a cone angle of 0<sup>∘</sup>, 1.5<sup>∘</sup>, 3.0<sup>∘</sup>, 4.5<sup>∘</sup> and 6.0<sup>∘</sup>. (c) and (f) present the profiles along the red solid lines and the blue dashed lines in (a), (b) and (d), (e). The display grey scale is set to be [0 1.1]×10<sup>−6</sup>. The relax coefficient is set to be 0.8 and the number of the overall iterations is 10.</p
