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Biomedical Optics Express

Biomedical Optics Express

  • Editor: Joseph A. Izatt
  • Vol. 2, Iss. 4 — Apr. 1, 2011
  • pp: 764–770

Real-time intraoperative 4D full-range FD-OCT based on the dual graphics processing units architecture for microsurgery guidance

Kang Zhang and Jin U. Kang  »View Author Affiliations


Biomedical Optics Express, Vol. 2, Issue 4, pp. 764-770 (2011)
http://dx.doi.org/10.1364/BOE.2.000764


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Abstract

Real-time 4D full-range complex-conjugate-free Fourier-domain optical coherence tomography (FD-OCT) is implemented using a dual graphics processing units (dual-GPUs) architecture. One GPU is dedicated to the FD-OCT data processing while the second one is used for the volume rendering and display. GPU accelerated non-uniform fast Fourier transform (NUFFT) is also implemented to suppress the side lobes of the point spread function to improve the image quality. Using a 128,000 A-scan/second OCT spectrometer, we obtained 5 volumes/second real-time full-range 3D OCT imaging. A complete micro-manipulation of a phantom using a microsurgical tool is monitored by multiple volume renderings of the same 3D date set with different view angles. Compared to the conventional surgical microscope, this technology would provide the surgeons a more comprehensive spatial view of the microsurgical site and could serve as an effective intraoperative guidance tool.

© 2011 OSA

OCIS Codes
(100.2000) Image processing : Digital image processing
(100.6890) Image processing : Three-dimensional image processing
(110.4500) Imaging systems : Optical coherence tomography
(170.3890) Medical optics and biotechnology : Medical optics instrumentation

ToC Category:
Optical Coherence Tomography

History
Original Manuscript: December 8, 2010
Revised Manuscript: February 25, 2011
Manuscript Accepted: February 25, 2011
Published: March 1, 2011

Citation
Kang Zhang and Jin U. Kang, "Real-time intraoperative 4D full-range FD-OCT based on the dual graphics processing units architecture for microsurgery guidance," Biomed. Opt. Express 2, 764-770 (2011)
http://www.opticsinfobase.org/boe/abstract.cfm?URI=boe-2-4-764


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References

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