3 papers
eess.IV2020
Evaluation of modified uniformly redundant arrays as structured illuminations for ptychography
Daniel J. Ching, Selin Aslan, Viktor Nikitin +2
Previous studies have shown that the frequency content of an illumination affects the convergence rate and reconstruction quality of ptychographic reconstructions. In this numerica…
eess.IV2020
Fast Tomographic Alignment for Joint Ptychography and Tomography
Azat M. Slyamov, Viktor Nikitin, Doğa Gürsoy +2
Joint ptychography and tomography (JPT) is a recently developed framework that enables high-resolution reconstruction of 3D volumes with significantly relaxed constraints on probe…
physics.geo-ph2019
Dynamic in-situ imaging of methane hydrate formation and self-preservation
Viktor V. Nikitin, Geser A. Dugarov, Anton A. Duchkov +5
We present the results of dynamic in-situ 3D X-ray imaging of methane hydrates microstructure during methane hydrate formation and decomposition in sand samples. Short scanning tim…