Reflections on shannon information: In search of a natural information-entropy for images

KG Larkin - arXiv preprint arXiv:1609.01117, 2016 - arxiv.org
It is not obvious how to extend Shannon's original information entropy to higher dimensions,
and many different approaches have been tried. We replace the English text symbol …

[PDF][PDF] Singularimetry: Phase measurement using vortices and caustics

SA Eastwood - 2015 - scholar.archive.org
This thesis investigates singularimetry in both optical and matter wave fields. The utility of
optical singularities for performing phase measurements was demonstrated using a three …