Spatial frequency analysis of OCT images

Liang Zhou; S. H. Xiang; Joseph M. Schmitt

doi:10.1117/12.297922

13 January 1998 Spatial frequency analysis of OCT images

Liang Zhou, S. H. Xiang, Joseph M. Schmitt

Proceedings Volume 3196, Optical and Imaging Techniques for Biomonitoring III; (1998) https://doi.org/10.1117/12.297922
Event: BiOS Europe '97, 1997, San Remo, Italy

Abstract

Resolution and contrast of optical coherence tomography (OCT) images are degraded by multiple scattering processes that give a speckled appearance. In this paper we examine the spatial-frequency characteristics of tissue structure and speckle, with the goal of distinguishing speckle form structure for noise reduction by wavelet-based algorithms. Real and simulated images provide the basis for evaluating the performance of the algorithms and the finite-difference time-domain algorithm simulates propagation of the backscattering waves in OCT system.

Citation Download Citation

Liang Zhou, S. H. Xiang, and Joseph M. Schmitt "Spatial frequency analysis of OCT images", Proc. SPIE 3196, Optical and Imaging Techniques for Biomonitoring III, (13 January 1998); https://doi.org/10.1117/12.297922

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