Snapshot 2D tomography via coded aperture x-ray scatter imaging.


Journal Article

This paper describes a fan beam coded aperture x-ray scatter imaging system that acquires a tomographic image from each snapshot. This technique exploits the cylindrical symmetry of the scattering cross section to avoid the scanning motion typically required by projection tomography. We use a coded aperture with a harmonic dependence to determine range and a shift code to determine cross range. Here we use a forward-scatter configuration to image 2D objects and use serial exposures to acquire tomographic video of motion within a plane. Our reconstruction algorithm also estimates the angular dependence of the scattered radiance, a step toward materials imaging and identification.

Full Text

Duke Authors

Cited Authors

  • MacCabe, KP; Holmgren, AD; Tornai, MP; Brady, DJ

Published Date

  • July 1, 2013

Published In

Volume / Issue

  • 52 / 19

Start / End Page

  • 4582 - 4589

PubMed ID

  • 23842254

Pubmed Central ID

  • 23842254

Electronic International Standard Serial Number (EISSN)

  • 1539-4522

Digital Object Identifier (DOI)

  • 10.1364/AO.52.004582


  • eng

Conference Location

  • United States