Low-noise TIE phase imaging by structured illumination

Yunhui Zhu; Adam Pan; Adam Pan; George Barbastathis; George Barbastathis; George Barbastathis

doi:10.1364/COSI.2014.CTh3C.5

Classical Optics 2014
OSA Technical Digest (online) (Optica Publishing Group, 2014),
paper CTh3C.5
•https://doi.org/10.1364/COSI.2014.CTh3C.5

Low-noise TIE phase imaging by structured illumination

Yunhui Zhu, Adam Pan, and George Barbastathis

Computational Optical Sensing and Imaging 2014

Kohala Coast, Hawaii United States
22–26 June 2014
ISBN: 978-1-55752-747-9

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Phase-based Imaging (CTh3C)

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Y. Zhu, A. Pan, and G. Barbastathis, "Low-noise TIE phase imaging by structured illumination," in Classical Optics 2014, OSA Technical Digest (online) (Optica Publishing Group, 2014), paper CTh3C.5.

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Abstract

We have incorporated a structured illumination approach inspired by Hilo [1] into the Transport of Intensity Equation (TIE) phase retrieval method. A grid-patterned illumination greatly reduces noise artifacts in the low frequency response while high frequency features are obtained from the uniformly illuminated image.

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