Numerical method for axial motion correction in optical coherence tomography

G. V. Gelikonov; P. A. Shilyagin; S. Yu. Ksenofontov; D. A. Terpelov; V. M. Gelikonov; A. A. Moiseev

doi:10.1117/12.2545966

21 February 2020 Numerical method for axial motion correction in optical coherence tomography

G. V. Gelikonov, P. A. Shilyagin, S. Yu. Ksenofontov, D. A. Terpelov, V. M. Gelikonov, A. A. Moiseev

Author Affiliations +

Proceedings Volume 11228, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXIV; 112282V (2020) https://doi.org/10.1117/12.2545966
Event: SPIE BiOS, 2020, San Francisco, California, United States

Abstract

A method of numerical compensating of OCT image distortion provided by fluctuations of the distance to the object has been proposed and verified experimentally. The method is based on the analysis of inter A-scan phase shifts caused by micrometer-scale displacements, and the subsequent compensation of the displacements by phase-frequency correction in the spectral space. The efficiency of the method is demonstrated in model experiments with harmonic and random movements of a scattering object, as well as during in vivo imaging of the retina of the human eye.

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G. V. Gelikonov, P. A. Shilyagin, S. Yu. Ksenofontov, D. A. Terpelov, V. M. Gelikonov, and A. A. Moiseev "Numerical method for axial motion correction in optical coherence tomography", Proc. SPIE 11228, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXIV, 112282V (21 February 2020); https://doi.org/10.1117/12.2545966

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