An Improved Extrapolation Scheme for Truncated CT Data Using 2D Fourier-Based Helgason-Ludwig Consistency Conditions

Figure 9

Reconstruction results of the reprojected body scan with both medium truncation and severe truncation. From left to right: the reference from nontruncated data, the proposed correction method with medium truncation, and the proposed correction method with severe truncation. The grayscale window: = 0 HU, = 400 HU. The yellow circles indicate the ROI.