Efficient CT Metal Artifact Reduction Based on Fractional-Order Curvature Diffusion
Figure 3
Comparison of different sinogram inpainting methods with multiple metal regions: (a) phantom with five metal regions, (b) filtered back projection with metal artifacts, (c) filtered back projection after LI (PSNR = 26.4205), (d) filtered back projection after TV (PSNR = 25.9497), and (e) filtered back projection after FCDD (PSNR = 26.4399).
