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Proceedings Paper

Effects of curvature and view angle on quantitative imaging of erythema and melanin content in facial port wine stain skin
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Paper Abstract

In cutaneous vascular laser surgery, hemoglobin and melanin are important skin chromophores that influence treatment of port wine stain (PWS) birthmarks. A potential problem in quantitative chromorphore evaluaton is the error in image analysis associated with a number of factors, including nonuniform illumination and skin curvature. In this study, we used a mannequin head model to investigate how the accuracy of image analysis is influenced by view angle and facial curvature. Our results indicate that view angle and facial curvature affect the accuracy of the recorded color information. From this analysis, we propose that optimal view angles can be determined on an individual patient basis to analyze features on different regions of the face.

Paper Details

Date Published: 13 July 2004
PDF: 6 pages
Proc. SPIE 5312, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems XIV, (13 July 2004); doi: 10.1117/12.528069
Show Author Affiliations
Byungjo Jung, Beckman Laser Institute (United States)
Bernard Choi, Beckman Laser Institute (United States)
Yongjin Shin, Beckman Laser Institute (United States)
Chosun Univ. (South Korea)
Anthony Joseph Durkin, Beckman Laser Institute (United States)
J. Stuart Nelson, Beckman Laser Institute (United States)

Published in SPIE Proceedings Vol. 5312:
Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems XIV
Brian Jet-Fei Wong; Nikiforos Kollias; Kenton W. Gregory; Henry Hirschberg; Reza S. Malek; Abraham Katzir; David S. Robinson; Kenneth Eugene Bartels; Eugene A. Trowers; Werner T.W. de Riese; Lawrence S. Bass; Lloyd P. Tate; Steen J. Madsen; Keith D. Paulsen; Karen M. McNally-Heintzelman, Editor(s)

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