Double-Exposure Optical Sectioning Structured Illumination Microscopy Based on Hilbert Transform Reconstruction

Xing Zhou, Ming Lei, Dan Dan, Baoli Yao, Jia Qian, Shaohui Yan, Yanlong Yang, Junwei Min, Tong Peng, Tong Ye and Guangde Chen

PLOS ONE, 2015, vol. 10, issue 3, 1-9

Abstract: Structured illumination microscopy (SIM) with axially optical sectioning capability has found widespread applications in three-dimensional live cell imaging in recent years, since it combines high sensitivity, short image acquisition time, and high spatial resolution. To obtain one sectioned slice, three raw images with a fixed phase-shift, normally 2π/3, are generally required. In this paper, we report a data processing algorithm based on the one-dimensional Hilbert transform, which needs only two raw images with arbitrary phase-shift for each single slice. The proposed algorithm is different from the previous two-dimensional Hilbert spiral transform algorithm in theory. The presented algorithm has the advantages of simpler data processing procedure, faster computation speed and better reconstructed image quality. The validity of the scheme is verified by imaging biological samples in our developed DMD-based LED-illumination SIM system.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0120892

DOI: 10.1371/journal.pone.0120892

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