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Figure 2
Impact of downsampling data on alignment efficacy. (a) X pixel shift and (b) Y pixel shift with respect to the projection angle (θ) for both full resolution (360 × 2048 × 2048) in blue and downsampled (360 × 256 × 256) in red datasets. Example of sinogram (c) before and (d) after automatic alignment using downsampled data. The downsampled dataset took a nearly a fifth of the time that the full dataset took to align.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 31| Part 4| July 2024| Pages 979-986
https://doi.org/10.1107/S1600577524003989
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