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Biomedical Optics Express

Biomedical Optics Express

  • Editor: Joseph A. Izatt
  • Vol. 2, Iss. 11 — Nov. 1, 2011
  • pp: 3119–3128

Spectrally encoded fiber-based structured lighting probe for intraoperative 3D imaging

Neil T. Clancy, Danail Stoyanov, Lena Maier-Hein, Anja Groch, Guang-Zhong Yang, and Daniel S. Elson  »View Author Affiliations

Biomedical Optics Express, Vol. 2, Issue 11, pp. 3119-3128 (2011)

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Three dimensional quantification of organ shape and structure during minimally invasive surgery (MIS) could enhance precision by allowing the registration of multi-modal or pre-operative image data (US/MRI/CT) with the live optical image. Structured illumination is one technique to obtain 3D information through the projection of a known pattern onto the tissue, although currently these systems tend to be used only for macroscopic imaging or open procedures rather than in endoscopy. To account for occlusions, where a projected feature may be hidden from view and/or confused with a neighboring point, a flexible multispectral structured illumination probe has been developed that labels each projected point with a specific wavelength using a supercontinuum laser. When imaged by a standard endoscope camera they can then be segmented using their RGB values, and their 3D coordinates calculated after camera calibration. The probe itself is sufficiently small (1.7 mm diameter) to allow it to be used in the biopsy channel of commonly used medical endoscopes. Surgical robots could therefore also employ this technology to solve navigation and visualization problems in MIS, and help to develop advanced surgical procedures such as natural orifice translumenal endoscopic surgery.

© 2011 OSA

OCIS Codes
(110.6880) Imaging systems : Three-dimensional image acquisition
(170.1610) Medical optics and biotechnology : Clinical applications
(170.2150) Medical optics and biotechnology : Endoscopic imaging
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(330.1710) Vision, color, and visual optics : Color, measurement

ToC Category:
Endoscopes, Catheters and Micro-Optics

Original Manuscript: August 16, 2011
Revised Manuscript: October 19, 2011
Manuscript Accepted: October 21, 2011
Published: October 25, 2011

Virtual Issues
Advances in Optics for Biotechnology, Medicine, and Surgery (2011) Biomedical Optics Express

Neil T. Clancy, Danail Stoyanov, Lena Maier-Hein, Anja Groch, Guang-Zhong Yang, and Daniel S. Elson, "Spectrally encoded fiber-based structured lighting probe for intraoperative 3D imaging," Biomed. Opt. Express 2, 3119-3128 (2011)

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