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Journal of Biomedical Optics

Autocorrelation noise removal for optical coherence tomography by sparse filter design
Author(s): Hon Luen Seck; Ying Zhang; Yeng Chai Soh
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Paper Abstract

We present a reconstruction method to eliminate the autocorrelation noise (ACN) in optical coherence tomography (OCT). In this method, the optical fields scattered from the sample features are regarded as the response of a sparse finite impulse response (FIR) filter. Then the OCT reconstruction is formulated as one of identifying the parameters of a sparse FIR filter, which are obtained via an ℓ1 optimization with soft thresholding. The experimental results show that the proposed method can obtain OCT reconstruction results with effective attenuation of ACN.

Paper Details

Date Published: 27 July 2012
PDF: 7 pages
J. Biomed. Opt. 17(7) 076029 doi: 10.1117/1.JBO.17.7.076029
Published in: Journal of Biomedical Optics Volume 17, Issue 7
Show Author Affiliations
Hon Luen Seck, A*STAR Singapore Institute of Manufacturing Technology (Singapore)
Ying Zhang, A*STAR Singapore Institute of Manufacturing Technology (Singapore)
Yeng Chai Soh, Nanyang Technological Univ. (Singapore)


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