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Quantitative comparison of analysis methods for spectroscopic optical coherence tomography.


ABSTRACT: Spectroscopic optical coherence tomography (sOCT) enables the mapping of chromophore concentrations and image contrast enhancement in tissue. Acquisition of depth resolved spectra by sOCT requires analysis methods with optimal spectral/spatial resolution and spectral recovery. In this article, we quantitatively compare the available methods, i.e. the short time Fourier transform (STFT), wavelet transforms, the Wigner-Ville distribution and the dual window method through simulations in tissue-like media. We conclude that all methods suffer from the trade-off in spectral/spatial resolution, and that the STFT is the optimal method for the specific application of the localized quantification of hemoglobin concentration and oxygen saturation.

SUBMITTER: Bosschaart N 

PROVIDER: S-EPMC3829551 | BioStudies | 2013-01-01

SECONDARY ACCESSION(S): 10.1364/BOE.4.002570

REPOSITORIES: biostudies

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