Iterative Image Reconstruction for Limited-Angle CT Using Optimized Initial Image

<div>Illustration of calculating the symmetry axis and mirroring filling operation: (a) FBP image model with artifacts, (b) calculating the symmetry axis, and (c) mirror filling operation to remove artifacts.</div>

Computational and Mathematical Methods in Medicine

fig2

Figure 2

Figure 2: Iterative Image Reconstruction for Limited-Angle CT Using Optimized Initial Image 