Coded apertures for x-ray scatter imaging

David J. Brady; Daniel L. Marks; Kenneth P. MacCabe; Joseph A. O'Sullivan

doi:10.1364/AO.52.007745

Coded apertures for x-ray scatter imaging

David J. Brady, Daniel L. Marks, Kenneth P. MacCabe, Joseph A. O'Sullivan

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

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.

Original language	English (US)
Pages (from-to)	7745-7754
Number of pages	10
Journal	Applied optics
Volume	52
Issue number	32
DOIs	https://doi.org/10.1364/AO.52.007745
State	Published - Nov 10 2013
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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10.1364/AO.52.007745

Cite this

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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.",

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AU - O'Sullivan, Joseph A.

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AB - 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.

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Coded apertures for x-ray scatter imaging

Abstract

ASJC Scopus subject areas

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