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Appl Opt. 2013 Nov 10;52(32):7745-54. doi: 10.1364/AO.52.007745.

Coded apertures for x-ray scatter imaging.

Abstract

We examine coding strategies for coded aperture scatter imagers. Scatter imaging enables tomography of compact regions from snapshot measurements. We present coded aperture designs for pencil and fan beam geometries, and compare their singular value spectra with that of the Radon transform and selected volume tomography. We show that under dose constraints scatter imaging improves conditioning over alternative techniques, and that specially designed coded apertures enable snapshot 1D and 2D tomography.

PMID:
24216733
[PubMed]
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