期刊
JOURNAL OF MICROSCOPY-OXFORD
卷 214, 期 -, 页码 7-12出版社
BLACKWELL PUBLISHING LTD
DOI: 10.1111/j.0022-2720.2004.01293.x
关键词
differential interference contrast microscopy; Fourier transform; Hilbert transform; image processing; Nomarski differential interference contrast; phase retrieval; phase shifting; spiral phase transform
类别
We propose an extension to Nomarski differential interference contrast microscopy that enables isotropic linear phase imaging. The method combines phase shifting, two directions of shear and Fourier-space integration using a modified spiral phase transform. We simulated the method using a phantom object with spatially varying amplitude and phase. Simulated results show good agreement between the final phase image and the object phase, and demonstrate resistance to imaging noise.
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