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Figure 4
Line profile along the dotted line through the reconstruction of the modified Shepp–Logan phantom in Fig. 2(b)[link] using different algorithms: (a) using the approximation in equation (6)[link] resulting in a DC shift, and (b) using an appropriate implementation of the discretized truncated filter kernel shown in Fig. 3[link].

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 19| Part 6| November 2012| Pages 1029-1037
https://doi.org/10.1107/S0909049512032864
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