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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 7, Iss. 1 — Jan. 4, 2012

Fast Fourier domain localization algorithm of a single molecule with nanometer precision

Bin Yu, Danni Chen, Junle Qu, and Hanben Niu  »View Author Affiliations

Optics Letters, Vol. 36, Issue 22, pp. 4317-4319 (2011)

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We present an algorithm to determine the location of a fluorescent molecule with nanometer-scale accuracy. A Fourier domain localization scheme based on zero-padded fast Fourier transform and phase gradient operators is used to obtain a powerful mathematical model for localizing the molecule without numerical fitting. Compared with conventional algorithms, our position estimator does not require prior background information or initial parameter estimation. Numerical simulations indicate that the proposed method exhibits high localization precision and small bias while executing almost as fast as the fluoroBancroft algorithm.

© 2011 Optical Society of America

OCIS Codes
(100.2960) Image processing : Image analysis
(100.6640) Image processing : Superresolution
(180.2520) Microscopy : Fluorescence microscopy

ToC Category:
Image Processing

Original Manuscript: June 22, 2011
Revised Manuscript: August 20, 2011
Manuscript Accepted: September 29, 2011
Published: November 9, 2011

Virtual Issues
Vol. 7, Iss. 1 Virtual Journal for Biomedical Optics

Bin Yu, Danni Chen, Junle Qu, and Hanben Niu, "Fast Fourier domain localization algorithm of a single molecule with nanometer precision," Opt. Lett. 36, 4317-4319 (2011)

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