Figure 6
(ab) Line profiles along the dotted line in Fig. 5[link] and (cd) grey-level value histograms for the region delimited by the dashed square in Fig. 5[link]. Black: original phantom; green and red: reconstructions obtained with FBP and gridrec, respectively. For the reconstruction, different filters have been used: Lanczos (ac) and Parzen (bd). The size of the original phantom used and the reconstructed images is 2048 × 2048 pixels.  [article HTML]