Low power real time signal processing engine for optical coherence tomography systems using multi-core digital signal processor

Ali, M and Parlapalli, R and John, Renu and Boppart, S A (2011) Low power real time signal processing engine for optical coherence tomography systems using multi-core digital signal processor. In: Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XV, 24-26, January 2011, San Francisco, CA; United States.

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Abstract

Optical Coherence Tomography (OCT) imaging is a high-resolution, sub-surface non-invasive imaging technique, using the principle of low coherence interferometry, that has become increasingly popular for various applications for structural and quantitative imaging [1]. Applications for OCT technology have been demonstrated in ophthalmology, dentistry, cardiology/intravascular imaging, endoscopy and intra-operative surgery, and many new applications are being researched. Due to higher sensitivity and faster rate of image acquisition, frequency domain OCT systems are now replacing the first generation time domain systems. These include spectral domain systems, which use a broadband low coherent source with spectrometer and a line scan camera based receive system, and swept source systems, that use wavelength sweeping source with a photo-detector based receive system. Both of these systems require very similar signal processing to recover the desired image from the captured digitized interference or fringe data.

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IITH Creators:
IITH CreatorsORCiD
John, RenuUNSPECIFIED
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Optical Coherence Tomography (OCT) imaging is a high-resolution, sub-surface non-invasive imaging technique, using the principle of low coherence interferometry, that has become increasingly popular for various applications for structural and quantitative imaging [1]. Applications for OCT technology have been demonstrated in ophthalmology, dentistry, cardiology/intravascular imaging, endoscopy and intra-operative surgery, and many new applications are being researched. Due to higher sensitivity and faster rate of image acquisition, frequency domain OCT systems are now replacing the first generation time domain systems. These include spectral domain systems, which use a broadband low coherent source with spectrometer and a line scan camera based receive system, and swept source systems, that use wavelength sweeping source with a photo-detector based receive system. Both of these systems require very similar signal processing to recover the desired image from the captured digitized interference or fringe data.
Subjects: Others > Electronic imaging & Singal processing
Others > Biological sciences
Divisions: Department of Biomedical Engineering
Depositing User: Team Library
Date Deposited: 07 Nov 2014 05:26
Last Modified: 12 Sep 2017 11:13
URI: http://raiith.iith.ac.in/id/eprint/635
Publisher URL: https://doi.org/10.1117/12.875523
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