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- W2920291264 abstract "In optical coherence tomography (OCT), lateral motion is determined either by speckle tracking or by multi-aperture Doppler OCT. Here we show that both methods may provide incorrect results because, outside the focal plane, non-uniform axial motion is misinterpreted as lateral motion. First, we demonstrate the existence of this artifact by means of a simulation for speckle tracking. Then the physical origin of the artifact and its mathematical relation to defocus and axial motion are explained. It is shown that speckle tracking and multi-aperture Doppler OCT are equally affected by the artifact, which has a considerable effect, even for a defocus of less than one Rayleigh length." @default.
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- W2920291264 date "2019-03-05" @default.
- W2920291264 modified "2023-09-27" @default.
- W2920291264 title "Artifacts in speckle tracking and multi-aperture Doppler OCT imaging of lateral motion" @default.
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- W2920291264 doi "https://doi.org/10.1364/ol.44.001315" @default.
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