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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 16 — Aug. 6, 2007
  • pp: 10421–10426

Optical imaging for medical diagnosis based on active stereo vision and motion tracking

Tao T. Wu and Jianan Y. Qu  »View Author Affiliations


Optics Express, Vol. 15, Issue 16, pp. 10421-10426 (2007)
http://dx.doi.org/10.1364/OE.15.010421


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Abstract

This study aims to develop a novel imaging technique to improve the accuracy of the colposcolpic diagnosis of cervical cancer. An optical imaging system based on active stereo vision is built to measure the 3-D surface topology of cervix and track the motion of patient. The information of motion tracking are used to register the time-sequenced images of cervix recorded over the period of examination. The imaging system is evaluated by tracking the movements of cervix models. The results show that the error of 2-D image registration is 0.8 pixels, equivalent to the motion tracking error of 0.05 mm in the field-of-view. The imaging technique holds the promise to enable quantitative mapping of the acetowhitening kinetics over cervical surface for more accurate diagnosis of cervical cancer.

© 2007 Optical Society of America

OCIS Codes
(150.6910) Machine vision : Three-dimensional sensing
(170.0110) Medical optics and biotechnology : Imaging systems
(170.3890) Medical optics and biotechnology : Medical optics instrumentation

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: June 7, 2007
Revised Manuscript: July 16, 2007
Manuscript Accepted: July 31, 2007
Published: August 2, 2007

Virtual Issues
Vol. 2, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Tao T. Wu and Jianan Y. Qu, "Optical imaging for medical diagnosis based on active stereo vision and motion tracking," Opt. Express 15, 10421-10426 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-16-10421


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References

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