Physical model of image formation in multiple-image radiography

Jovan G. Brankov; Gocha Khelashvili; Dean Chapman; Mark A. Anastasio; Yongyi Yang; Zhong Zhong; Miles N. Wernick

doi:10.1109/NSSMIC.2005.1596798

Physical model of image formation in multiple-image radiography

Jovan G. Brankov, Gocha Khelashvili, Dean Chapman, Mark A. Anastasio, Yongyi Yang, Zhong Zhong, Miles N. Wernick

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We have recently proposed a new x-ray imaging method, called multiple-image radiography (MIR), which simultaneously produces images of absorption, refraction, and ultra-small-angle scatter, while rejecting higher-angle scatter. This paper presents a theoretical model of the relevant x-ray propagation mechanisms, thereby explaining why MIR works. Specifically, beam propagation is computed through a stratified scattering medium in an ultra-small-angle regime. This analysis demonstrates that the MIR images are linear with object thickness, which is a requirement for computed tomography by standard reconstruction methods.

Original language	English (US)
Title of host publication	2005 IEEE Nuclear Science Symposium Conference Record -Nuclear Science Symposium and Medical Imaging Conference
Pages	2320-2322
Number of pages	3
DOIs	https://doi.org/10.1109/NSSMIC.2005.1596798
State	Published - 2005
Externally published	Yes
Event	Nuclear Science Symposium Conference Record, 2005 IEEE - , Puerto Rico Duration: Oct 23 2005 → Oct 29 2005

Publication series

Name	IEEE Nuclear Science Symposium Conference Record
Volume	4
ISSN (Print)	1095-7863

Other

Other	Nuclear Science Symposium Conference Record, 2005 IEEE
Country/Territory	Puerto Rico
Period	10/23/05 → 10/29/05

ASJC Scopus subject areas

Radiation
Nuclear and High Energy Physics
Radiology Nuclear Medicine and imaging

Online availability

10.1109/NSSMIC.2005.1596798

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Brankov, J. G., Khelashvili, G., Chapman, D., Anastasio, M. A., Yang, Y., Zhong, Z., & Wernick, M. N. (2005). Physical model of image formation in multiple-image radiography. In 2005 IEEE Nuclear Science Symposium Conference Record -Nuclear Science Symposium and Medical Imaging Conference (pp. 2320-2322). Article 1596798 (IEEE Nuclear Science Symposium Conference Record; Vol. 4). https://doi.org/10.1109/NSSMIC.2005.1596798

Physical model of image formation in multiple-image radiography. / Brankov, Jovan G.; Khelashvili, Gocha; Chapman, Dean et al.
2005 IEEE Nuclear Science Symposium Conference Record -Nuclear Science Symposium and Medical Imaging Conference. 2005. p. 2320-2322 1596798 (IEEE Nuclear Science Symposium Conference Record; Vol. 4).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Brankov, JG, Khelashvili, G, Chapman, D, Anastasio, MA, Yang, Y, Zhong, Z & Wernick, MN 2005, Physical model of image formation in multiple-image radiography. in 2005 IEEE Nuclear Science Symposium Conference Record -Nuclear Science Symposium and Medical Imaging Conference., 1596798, IEEE Nuclear Science Symposium Conference Record, vol. 4, pp. 2320-2322, Nuclear Science Symposium Conference Record, 2005 IEEE, Puerto Rico, 10/23/05. https://doi.org/10.1109/NSSMIC.2005.1596798

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AB - We have recently proposed a new x-ray imaging method, called multiple-image radiography (MIR), which simultaneously produces images of absorption, refraction, and ultra-small-angle scatter, while rejecting higher-angle scatter. This paper presents a theoretical model of the relevant x-ray propagation mechanisms, thereby explaining why MIR works. Specifically, beam propagation is computed through a stratified scattering medium in an ultra-small-angle regime. This analysis demonstrates that the MIR images are linear with object thickness, which is a requirement for computed tomography by standard reconstruction methods.

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Physical model of image formation in multiple-image radiography

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