An Analytic Method of Phase Retrieval for X-Ray Phase Contrast Imaging

被引：0
作者：
Palamodov, Victor [1 ]
机构：
[1] Tel Aviv Univ, Tel Aviv, Israel
来源：
JOURNAL OF FOURIER ANALYSIS AND APPLICATIONS | 2020年 / 26卷 / 06期
关键词：
Refractive index; Phase contrast imaging; Fresnel propagator; Sampling; Interpolation; RESOLUTION;
D O I：
10.1007/s00041-020-09787-x
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
New lensless diffractive X-ray technic for micro-scale imaging of biological tissue is based on quantitative information on the phase. This method yields improved contrast compared to purely absorption-based tomography but involves a phase retrieval problem since of physical limitation of detectors. An analytic method is proposed in the paper for reconstruction of the ray projection of complex refraction index from intensity distribution of one hologram.
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页数：11
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