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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 3 — Jan. 20, 2008
  • pp: 459–466

Image restoration method based on Hilbert transform for full-field optical coherence tomography

Jihoon Na, Woo June Choi, Eun Seo Choi, Seon Young Ryu, and Byeong Ha Lee  »View Author Affiliations


Applied Optics, Vol. 47, Issue 3, pp. 459-466 (2008)
http://dx.doi.org/10.1364/AO.47.000459


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Abstract

A full-field optical coherence tomography (FF-OCT) system utilizing a simple but novel image restoration method suitable for a high-speed system is demonstrated. An en-face image is retrieved from only two phase-shifted interference fringe images through using the mathematical Hilbert transform. With a thermal light source, a high-resolution FF-OCT system having axial and transverse resolutions of 1 and 2.2   μm , respectively, was implemented. The feasibility of the proposed scheme is confirmed by presenting the obtained en-face images of biological samples such as a piece of garlic and a gold beetle. The proposed method is robust to the error in the amount of the phase shift and does not leave residual fringes. The use of just two interference images and the strong immunity to phase errors provide great advantages in the imaging speed and the system design flexibility of a high-speed high-resolution FF-OCT system.

© 2008 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(110.6955) Imaging systems : Tomographic imaging
(110.3010) Imaging systems : Image reconstruction techniques

ToC Category:
Imaging Systems

History
Original Manuscript: September 4, 2007
Revised Manuscript: November 5, 2007
Manuscript Accepted: November 9, 2007
Published: January 18, 2008

Virtual Issues
Vol. 3, Iss. 2 Virtual Journal for Biomedical Optics

Citation
Jihoon Na, Woo June Choi, Eun Seo Choi, Seon Young Ryu, and Byeong Ha Lee, "Image restoration method based on Hilbert transform for full-field optical coherence tomography," Appl. Opt. 47, 459-466 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-3-459

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