2 papers
cs.DM2024
Inflation of 2D boundary ghosts and digital watermarking
Imants Svalbe, Rob Tijdeman
Projection ghosts are discrete arrays of signed values positioned so that their discrete projections vanish for some chosen set of n projection angles. Minimal ghosts are designed…
physics.optics2024
High-resolution x-ray scanning with a diffuse, Huffman-patterned probe to minimise radiation damage
Alaleh Aminzadeh, Andrew M. Kingston, Lindon Roberts +3
Scanning objects with a more tightly focused beam (for example of photons or electrons) can provide higher-resolution images. However the stronger localisation of energy deposition…