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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 5, Iss. 3 — Feb. 10, 2010

Three-dimensional speckle suppression in optical coherence tomography based on the curvelet transform

Zhongping Jian, Lingfeng Yu, Bin Rao, Bruce J. Tromberg, and Zhongping Chen  »View Author Affiliations


Optics Express, Vol. 18, Issue 2, pp. 1024-1032 (2010)
http://dx.doi.org/10.1364/OE.18.001024


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Abstract

Optical coherence tomography is an emerging non-invasive technology that provides high resolution, cross-sectional tomographic images of internal structures of specimens. OCT images, however, are usually degraded by significant speckle noise. Here we introduce to our knowledge the first 3D approach to attenuating speckle noise in OCT images. Unlike 2D approaches which only consider information in individual images, 3D processing, by analyzing all images in a volume simultaneously, has the advantage of also taking the information between images into account. This, coupled with the curvelet transform’s nearly optimal sparse representation of curved edges that are common in OCT images, provides a simple yet powerful platform for speckle attenuation. We show the approach suppresses a significant amount of speckle noise, while in the mean time preserves and thus reveals many subtle features that could get attenuated in other approaches.

© 2010 OSA

OCIS Codes
(100.2980) Image processing : Image enhancement
(110.4500) Imaging systems : Optical coherence tomography
(110.6150) Imaging systems : Speckle imaging

ToC Category:
Imaging Systems

History
Original Manuscript: October 21, 2009
Revised Manuscript: December 14, 2009
Manuscript Accepted: December 18, 2009
Published: January 7, 2010

Virtual Issues
Vol. 5, Iss. 3 Virtual Journal for Biomedical Optics

Citation
Zhongping Jian, Lingfeng Yu, Bin Rao, Bruce J. Tromberg, and Zhongping Chen, "Three-dimensional speckle suppression in optical coherence tomography based on the curvelet transform," Opt. Express 18, 1024-1032 (2010)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=oe-18-2-1024


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