全息术
显微镜
光学
振幅
投影(关系代数)
人工智能
同种类的
相位恢复
计算机视觉
数字全息显微术
计算机科学
物理
相(物质)
算法
傅里叶变换
热力学
量子力学
作者
David M. Paganin,Sheridan C Mayo,T. E. Gureyev,Peter Miller,S. W. Wilkins
标识
DOI:10.1046/j.1365-2818.2002.01010.x
摘要
We demonstrate simultaneous phase and amplitude extraction from a single defocused image of a homogeneous object. Subject to the assumptions explicitly stated in the derivation, the algorithm solves the twin-image problem of in-line holography and is capable of analysing data obtained using X-ray microscopy, electron microscopy, neutron microscopy or visible-light microscopy, especially as they relate to defocus and point projection methods. Our simple, robust, non-iterative and computationally efficient method is applied to data obtained using an X-ray phase contrast ultramicroscope.
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