Delgado-Friedrichs, Olaf; Kingston, Andrew; Latham, Shane; Myers, Glenn; Sheppard, Adrian
In micro-tomography, variants of helical X-ray source trajectories, e.g., double-helix (DH) and space-filling (SF), are attractive alternatives to the conventional circular trajectory, as they satisfy data-sufficiency conditions; this enables exact reconstruction, and large cone-angle (or high flux) imaging. Geometric alignment of micro-tomography experimental data, i.e., radiographs or projection data, to the required micron precision is a difficult problem. Here we consider criteria based on...[Show more]
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