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physics.med-ph2025
Signal-to-noise and spatial resolution in in-line imaging. 3. Optimization using a simple model
T. E. Gureyev, D. M. Paganin, H. M. Quiney
The problem of optimization of propagation-based phase-contrast imaging setups is considered in the case of projection X-ray imaging and three-dimensional tomography with phase ret…
physics.med-ph2025
Neutron Beam Shaping by Ghost Projection
Andrew M. Kingston, Alaleh Aminzadeh, Lindon Roberts +5
We present a method to shape a neutron beam and project any specified target image using a single universal patterned mask that is transversely displaced. The method relies on ``gh…