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Image reconstruction for in-line phase contrast CT by offsetting X-ray source twice

  • Beihang University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

X-ray in-line phase contrast computed tomography (PC-CT) can provide imaging contrast that is orders of magnitude better than conventional absorption-based CT and has attracted some interest in many fields such as life science, medicine and biomedical engineering. In conventional methods, PC-CT needs two rotation scans to retrieve the phase line integral projection from the recorded original data. It is usually implemented by shifting detector or object twice. However, it is sometimes impossible due to the experimental constraints. In this paper, an image reconstruction algorithm is proposed which permits that two rotation scans are completed by offsetting the X-ray source twice. This work comprises a simulation study of the proposed method and its experimental verification using a biomedical material sample dataset measured at an in-line PC-CT system. It simplifies the imaging conditions and will push the engineering applications of in-line PC-CT.

源语言英语
主期刊名Proceedings - 5th International Conference on Instrumentation and Measurement, Computer, Communication, and Control, IMCCC 2015
编辑Jun-Bao Li
出版商Institute of Electrical and Electronics Engineers Inc.
59-62
页数4
ISBN(电子版)9781467377232
DOI
出版状态已出版 - 11 2月 2016
活动5th International Conference on Instrumentation and Measurement, Computer, Communication, and Control, IMCCC 2015 - Qinhuangdao, 中国
期限: 18 9月 201520 9月 2015

出版系列

姓名Proceedings - 5th International Conference on Instrumentation and Measurement, Computer, Communication, and Control, IMCCC 2015

会议

会议5th International Conference on Instrumentation and Measurement, Computer, Communication, and Control, IMCCC 2015
国家/地区中国
Qinhuangdao
时期18/09/1520/09/15

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