Fast iterative reconstruction of data in full interior tomography

Arcadu, F.; Marone, F.; Stampanoni, M.

doi:10.1107/S1600577516015794

Journal of Synchrotron Radiation Journal of
Synchrotron Radiation

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Figure 10
Difference between the two edge-paddings required by ADMP-E. The edge-padding by a factor $[\alpha^{{\rm{(ext)}}}]$ [ $[\alpha^{{\rm{(ext)}}}]$ -padding, indicated in the scheme with a light green colour] is carried out before the start of ADMP-E and remains for the entire duration of the iterative reconstruction. The edge-padding by a factor $[\alpha^{{\rm{(int)}}}]$ [ $[\alpha^{{\rm{(int)}}}]$ -padding, indicated in the scheme with a light red colour] is required every time the forward gridding projector, $[{\bf A}]$ , and its adjoint operator, $[{\bf A}^{{\dagger}}]$ , are called inside ADMP-E. The $[\alpha^{{\rm{(int)}}}]$ -padding is summed up to the $[\alpha^{{\rm{(ext)}}}]$ -padding when making use of $[{\bf A}]$ and $[{\bf A}^{{\dagger}}]$ .

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 24| Part 1| January 2017| Pages 205-219

https://doi.org/10.1107/S1600577516015794

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