A reconstruction method for equidistant fan beam differential phase contrast computed tomography

J. Fu; P. Li; Q. L. Wang; S. Y. Wang; M. Bech; A. Tapfer; D. Hahn; F. Pfeiffer

doi:10.1088/0031-9155/56/14/019

A reconstruction method for equidistant fan beam differential phase contrast computed tomography

J. Fu, P. Li, Q. L. Wang, S. Y. Wang, M. Bech, A. Tapfer, D. Hahn, F. Pfeiffer

Chair of Biomedical Physics

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

21 Scopus citations

Abstract

We report a reconstruction method, called a back-projection filtered (BPF) algorithm, for fan beam differential phase contrast computed tomography (DPC-CT) with equidistant geometrical configuration. This work comprises a numerical study of the algorithm and its experimental verification with a three-grating interferometer and an x-ray tube source. The numerical simulation and experimental results demonstrate that the proposed method can deal with several classes of truncated datasets. It could be of interest in future medical phase contrast imaging applications.

Original language	English
Pages (from-to)	4529-4538
Number of pages	10
Journal	Physics in Medicine and Biology
Volume	56
Issue number	14
DOIs	https://doi.org/10.1088/0031-9155/56/14/019
State	Published - 21 Jul 2011

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AU - Fu, J.

AU - Li, P.

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AU - Wang, S. Y.

AU - Bech, M.

AU - Tapfer, A.

AU - Hahn, D.

AU - Pfeiffer, F.

PY - 2011/7/21

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AB - We report a reconstruction method, called a back-projection filtered (BPF) algorithm, for fan beam differential phase contrast computed tomography (DPC-CT) with equidistant geometrical configuration. This work comprises a numerical study of the algorithm and its experimental verification with a three-grating interferometer and an x-ray tube source. The numerical simulation and experimental results demonstrate that the proposed method can deal with several classes of truncated datasets. It could be of interest in future medical phase contrast imaging applications.

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A reconstruction method for equidistant fan beam differential phase contrast computed tomography

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