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Quantitative evaluation methods of in-line x-ray phase contrast techniques

Li, C., Li, Z., Li, C-Q and Yu, A-M (2007) Quantitative evaluation methods of in-line x-ray phase contrast techniques. Chinese Physics Letters, 24 (10). pp. 2823-2826.

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By revealing the relationship between edge visibility and imaging parameters in in-line phase contrast imaging (PCI), we propose a method to quantitatively measure the contribution of absorption and phase shift from acquired images. We also prove that edge visibility will grow with the increasing source-object distance and object-detector distance. The result is validated by relative phase factor and by experiments conducted on a microfocus x-ray source. This method provides a new approach to evaluate in-line PCI images and is helpful for deciding imaging parameters.

Item Type: Journal Article
Publisher: Institute of Physics Publishing
Copyright: ©2007 Chinese Physical Society and IOP Publishing Ltd.
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