Simple phase extraction in x-ray differential phase contrast imaging

doi:10.1088/1674-1056/25/2/028704

中国物理B ›› 2016, Vol. 25 ›› Issue (2): 28704-028704.doi: 10.1088/1674-1056/25/2/028704

• INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY • 上一篇下一篇

Simple phase extraction in x-ray differential phase contrast imaging

Xin Liu(刘鑫), Jin-Chuan Guo(郭金川), Yao-Hu Lei(雷耀虎), Ji Li(李冀), Han-Ben Niu(牛憨笨)

Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China

收稿日期:2015-09-14 修回日期:2015-10-12 出版日期:2016-02-05 发布日期:2016-02-05
通讯作者: Xin Liu E-mail:sblx@szu.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 61101175, 61571305, and 61227802).

Simple phase extraction in x-ray differential phase contrast imaging

Xin Liu(刘鑫), Jin-Chuan Guo(郭金川), Yao-Hu Lei(雷耀虎), Ji Li(李冀), Han-Ben Niu(牛憨笨)

Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China

Received:2015-09-14 Revised:2015-10-12 Online:2016-02-05 Published:2016-02-05
Contact: Xin Liu E-mail:sblx@szu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 61101175, 61571305, and 61227802).

摘要/Abstract

摘要：

A fast and simple method to extract phase-contrast images from interferograms is proposed, and its effectiveness is demonstrated through simulation and experiment. For x-ray differential phase contrast imaging, a strong attenuation signal acts as an overwhelming background intensity that obscures the weak phase signal so that no obvious phase-gradient information is detectable in the raw image. By subtracting one interferogram from another, chosen at particular intervals, the phase signal can be isolated and magnified.

关键词: x-ray imaging, x-ray interferometry, Talbot and self-imaging effects, phase contrast imaging

Abstract:

Key words: x-ray imaging, x-ray interferometry, Talbot and self-imaging effects, phase contrast imaging

中图分类号: (X-ray imaging)

87.59.-e

07.60.Ly (Interferometers) 42.30.Rx (Phase retrieval) 87.57.-s (Medical imaging)

刘鑫, 郭金川, 雷耀虎, 李冀, 牛憨笨. Simple phase extraction in x-ray differential phase contrast imaging[J]. 中国物理B, 2016, 25(2): 28704-028704.

Xin Liu(刘鑫), Jin-Chuan Guo(郭金川), Yao-Hu Lei(雷耀虎), Ji Li(李冀), Han-Ben Niu(牛憨笨). Simple phase extraction in x-ray differential phase contrast imaging[J]. Chin. Phys. B, 2016, 25(2): 28704-028704.

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Simple phase extraction in x-ray differential phase contrast imaging

Simple phase extraction in x-ray differential phase contrast imaging

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