1. Attenuation of stripe artifacts in optical coherence tomography images through wavelet-FFT filtering

    Attenuation of stripe artifacts in optical coherence tomography images through wavelet-FFT filtering

    The use of polarization-maintaining (PM) fibers for polarization-sensitive optical coherence tomography (PS-OCT) can result in numerous image artifacts which degrade the reliability of birefringence measurements. Similar artifacts can also arise in conventional OCT, due to stray reflections from optical surfaces, a problem which is increasing in tandem with the steady rise in source coherence lengths. Here, a recently presented wavelet-FFT filter[Opt. Express 17 (10), 8567 (2009). [ PubMed ] ] is combined with surface flattening displacement fields in order to suppress ghost artifacts following either a duplicate or inverse profile to that of the sample surface. In addition, horizontal coherence stripes originating ...

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