Compressive single-pixel snapshot x-ray diffraction imaging.

TitleCompressive single-pixel snapshot x-ray diffraction imaging.
Publication TypeJournal Article
Year of Publication2014
AuthorsJ Greenberg, K Krishnamurthy, and D Brady
JournalOptics Letters
Volume39
Start Page111
Issue1
Pagination111 - 114
Date Published01/2014
Abstract

We present a method for realizing snapshot, depth-resolved material identification using only a single, energy-sensitive pixel. To achieve this result, we employ a coded aperture with subpixel features to modulate the energy spectrum of coherently scattered photons and recover the object properties using an iterative inversion algorithm based on compressed sensing theory. We demonstrate high-fidelity object estimation at x-ray wavelengths for a variety of compression ratios exceeding unity.

DOI10.1364/ol.39.000111
Short TitleOptics Letters