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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea

| PUBLISHED BY THE OPTICAL SOCIETY OF KOREA

  • Vol. 7, Iss. 4 — Dec. 25, 2003
  • pp: 234–239

Polarization Spectral Imaging System for Quantitative Evaluation of Port Wine Stain Blanching Following Laser Treatment

Byung-Jo Jung  »View Author Affiliations


Journal of the Optical Society of Korea, Vol. 7, Issue 4, pp. 234-239 (2003)


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Abstract

Objective methods to assess quantitatively port wine stain (PWS) blanching in response to laser therapy are needed to improve laser therapeutic outcome. Previous studies have attempted to assess objectively PWS color based on point measurement devices. To date, these approaches have typically been limited by a number of factors such as small test area and need for contact. To address these issues, a polarization spectral imaging system and an image analysis method have been developed to evaluate quantitatively erythema and melanin content distribution in skin. The developed polarization spectral imaging system minimizes artifacts such as glaring, shadowing, and non-uniform illumination that interfere with image fidelity. Furthermore, the image analysis method has been employed to get images of skin melanin and erythema indices from the acquired color images for quantitative analysis. Finally, using PWS patient color image, the effectiveness in laser treatment of PWS was evaluated by calculating relative erythema index image that is the relative erythema index of PWS region to the normal region. The developed device and analysis method appears to be a simple and effective method for quantitative analysis of PWS blanching.

© 2003 Optical Society of Korea

OCIS Codes
(170.0110) Medical optics and biotechnology : Imaging systems
(170.1870) Medical optics and biotechnology : Dermatology
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.6510) Medical optics and biotechnology : Spectroscopy, tissue diagnostics

History
Original Manuscript: September 24, 2003
Published: December 1, 2003

Citation
Byung-Jo Jung, "Polarization Spectral Imaging System for Quantitative Evaluation of Port Wine Stain Blanching Following Laser Treatment," J. Opt. Soc. Korea 7, 234-239 (2003)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-7-4-234


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