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Proceedings Paper

Computational techniques in propagation-based x-ray phase imaging
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Paper Abstract

X–ray phase imaging utilizes a variety of techniques to render phase information as intensity contrast and these intensity images can in some cases be processed to retrieve quantitative phase. A subset of these techniques use free space propagation to generate phase contrast and phase can be recovered by inverting differential equations governing propagation. Two techniques to generate quantitative phase reconstructions from a single phase contrast image are described in detail, along with regularization techniques to reduce the influence of noise. Lastly, a recently developed technique utilizing a binary–amplitude grid to enhance signal strength in propagation–based techniques is described.

Paper Details

Date Published: 17 September 2014
PDF: 11 pages
Proc. SPIE 9209, Advances in Computational Methods for X-Ray Optics III, 92090P (17 September 2014); doi: 10.1117/12.2062917
Show Author Affiliations
Jonathan C. Petruccelli, Univ. at Albany (United States)
Sajjad Tahir, Univ. at Albany (United States)
Sajid Bashir, Univ. at Albany (United States)
Adam Pan, Massachusetts Institute of Technology (United States)
Lei Tian, Univ. of California, Berkeley (United States)
Ling Xu, Massachusetts Institute of Technology (United States)
C. A. MacDonald, Univ. at Albany (United States)
George Barbastathis, Massachusetts Institute of Technology (United States)
SMART-Singapore MIT Alliance for Research & Technology (Singapore)
Singapore-MIT Alliance (Singapore)

Published in SPIE Proceedings Vol. 9209:
Advances in Computational Methods for X-Ray Optics III
Manuel Sanchez del Rio; Oleg Chubar, Editor(s)

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