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Real-time dispersion-compensated image reconstruction for compressive sensing spectral domain optical coherence tomography

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Abstract

In this work, we propose a novel dispersion compensation method that enables real-time compressive sensing (CS) spectral domain optical coherence tomography (SD OCT) image reconstruction. We show that dispersion compensation can be incorporated into CS SD OCT by multiplying the dispersion-correcting terms by the undersampled spectral data before CS reconstruction. High-quality SD OCT imaging with dispersion compensation was demonstrated at a speed in excess of 70 frames per s using 40% of the spectral measurements required by the well-known Shannon/Nyquist theory. The data processing and image display were performed on a conventional workstation having three graphics processing units.

© 2014 Optical Society of America

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Supplementary Material (3)

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Media 2: MOV (1943 KB)     
Media 3: MOV (2018 KB)     

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