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Proceedings Article

Using phase gradient autofocus (PGA) algorithm for restoration OCT images with diffraction limited resolution

[+] Author Affiliations
Alexander A. Moiseev, Grigory V. Gelikonov, Pavel A. Shilyagin, Valentine M. Gelikonov

Institute of Applied Physics (Russian Federation)

Proc. SPIE 7999, Saratov Fall Meeting 2010: Optical Technologies in Biophysics and Medicine XII, 799906 (March 21, 2011); doi:10.1117/12.887488
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From Conference Volume 7999

  • Saratov Fall Meeting 2010: Optical Technologies in Biophysics and Medicine XII
  • Valery V. Tuchin; Elina A. Genina
  • Saratov, Russian Federation | October 05, 2010

abstract

In this paper we show the ability of well known in Synthetic Aperture Radar applications Phase Gradient Autofocus to recover defocused Optical Coherence Tomography images and achieve lateral resolution about 5 um at wide depth range. High-resolution details could be recovered from far-from-focal plane (defocused) regions. Both numerical simulations and experiment have been performed to demonstrate the ability of the method.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Alexander A. Moiseev ; Grigory V. Gelikonov ; Pavel A. Shilyagin and Valentine M. Gelikonov
"Using phase gradient autofocus (PGA) algorithm for restoration OCT images with diffraction limited resolution", Proc. SPIE 7999, Saratov Fall Meeting 2010: Optical Technologies in Biophysics and Medicine XII, 799906 (March 21, 2011); doi:10.1117/12.887488; http://dx.doi.org/10.1117/12.887488


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