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Figure 5
Horizontal profiles of Shepp–Logan phantom images reconstructed using four reconstruction algorithms based on 60-view noise-free projections (left) and 60-view noisy projections (right). The black solid line represents the profile from ground truth; the purple dotted line represents the profile from the FBP algorithm; the red dot-dashed line represents the profile from the SART algorithm; the green dashed line denotes the profile from the SART-FAB4 algorithm; and the blue solid line denotes the profile from the SART-FAB8 algorithm. The profiles were located at the pixel position from the 210th to 310th column and 410th row, as shown in the red line at the upper-left corner of Fig. 5[link].

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 25| Part 5| September 2018| Pages 1450-1459
https://doi.org/10.1107/S1600577518009219
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