Phase imaging using single-pixel detection in the spatial spectrum plane

Qiushuai Shi; Wen-Yuan Zhou; Wangwei Hui; Kaicheng Huang; Hongyang Zhao; Jianguo Tian

doi:10.1117/1.OE.57.11.114104

19 November 2018 Phase imaging using single-pixel detection in the spatial spectrum plane

Qiushuai Shi, Wen-Yuan Zhou, Wangwei Hui, Kaicheng Huang, Hongyang Zhao, Jianguo Tian

Author Affiliations +

Optical Engineering, Vol. 57, Issue 11, 114104 (November 2018). https://doi.org/10.1117/1.OE.57.11.114104

Abstract

We propose a phase imaging method that combines the Fourier ptychography and compressive sensing theories using single-pixel detection in the spatial spectrum plane. Specifically, the spatial Fourier spectrum is shifted based on the Fourier ptychography theory, and the compressive sensing theory is applied to reduce the amount of acquired data. Further, an algorithm has been developed to reconstruct the phase images and an asymmetric mask introduced to eliminate ghost interference. The feasibility of the proposed method was verified through simulation and evaluated in terms of the compressive sensing theory realized. The results show that a two-dimensional image can be restored at a low sampling rate of 5% using the proposed method.

Citation Download Citation

Qiushuai Shi, Wen-Yuan Zhou, Wangwei Hui, Kaicheng Huang, Hongyang Zhao, and Jianguo Tian "Phase imaging using single-pixel detection in the spatial spectrum plane," Optical Engineering 57(11), 114104 (19 November 2018). https://doi.org/10.1117/1.OE.57.11.114104

Received: 25 June 2018; Accepted: 2 October 2018; Published: 19 November 2018

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