Fig. 11
From: Sparse-view tomography via displacement function interpolation
Zoom-in images of a sub rectangular region at the right of each image in Figs. 8, 9, 10, 11 from a to d. Left images display window: [min, max]. Right images display window: [− 400, 400] HU. Rotation artifacts can be clearly seen in the third column. a Using full sinogram (Gold standard). b Using sparse sinogram. c Using linear interpolation. d Using proposed method