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From Doppler to speckle variance measurements in optical coherence tomography

Podoleanu, Adrian and Caujolle, Sophie and Marques, Manuel and Cernat, Ramona and Rajendram, Ranjan and Bradu, Adrian (2018) From Doppler to speckle variance measurements in optical coherence tomography. In: Todea, Carmen and Podoleanu, Adrian G.H. and Duma, Virgil-Florin, eds. Seventh International Conference on Lasers in Medicine. Proceedings of SPIE, 19 (59). SPIE. ISBN 978-1-5106-2287-6. E-ISBN 978-1-5106-2288-3. (doi:10.1117/12.2283530) (KAR id:69387)

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A short-review of optical coherence tomography (OCT) technologies employed to evaluate and image flow and tiny movements is presented. Over the time, the progress of OCT from time domain to spectral (Fourier) domain SD-OCT has led to new approaches in measuring flow and tissue (object) vibration. In the present document, several procedures are presented of what is known today as OCTA, used to visualize tiny vessels in the human retina and replacing the need for injection in angiography. These methods are now extended to measurements of minuscule spatial variations due to action potential, cell division or tissue deformation in elastography.

Item Type: Book section
DOI/Identification number: 10.1117/12.2283530
Uncontrolled keywords: Optical Coherence Tomography, multiple imaging, motion estimation, optical flow, speckle variance
Subjects: R Medicine
T Technology
Divisions: Divisions > Division of Natural Sciences > School of Physical Sciences
Depositing User: Adrian Podoleanu
Date Deposited: 05 Oct 2018 11:55 UTC
Last Modified: 16 Feb 2021 13:58 UTC
Resource URI: (The current URI for this page, for reference purposes)
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