A hand-held polarized-light camera for the detection of skin cancer borders

Jessica C. Ramella-Roman, Ken Lee, Steven Jacques

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

Polarized light imaging can be used to map the borders of skin cancer that are invisible to the human eye. We designed a hand-held polarized-light camera that is sensitive to the superficial layers of the skin where cancer often arises. The camera system consists of two 8-bit CCD mounted on two sides of a polarizing beam splitter. An imaging lens mounted on the beam splitter collects light reflected from the skin. The collected light is divided into two states of polarization: parallel (PAR) and perpendicular (PER) to the incident light orientation. A custom-code combines images streaming from both cameras to yield an image based on the polarization ratio (PAR - PER)/(PAR + PER), which is sensitive to the superficial skin layer. Experiments in reflectance mode on micro-spheres solutions were conducted to test the system; Monte Carlo simulations of these experiments demonstrated excellent correlation. Early clinical work was conducted at the Oregon Health and Science University in the Dermatology department. Images of several skin lesions are presented.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
EditorsL.M. Hanssen
Pages54-60
Number of pages7
Volume5192
DOIs
StatePublished - 2003
EventOptical Diagnostic Methods for Inorganic Materials III - San Diego, CA, United States
Duration: Aug 6 2003Aug 7 2003

Other

OtherOptical Diagnostic Methods for Inorganic Materials III
CountryUnited States
CitySan Diego, CA
Period8/6/038/7/03

Fingerprint

Light polarization
borders
polarized light
Skin
cancer
Cameras
cameras
beam splitters
dermatology
polarization
lesions
health
Dermatology
charge coupled devices
Polarization
Imaging techniques
lenses
reflectance
Charge coupled devices
Lenses

Keywords

  • Polarized light
  • Skin cancer

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Ramella-Roman, J. C., Lee, K., & Jacques, S. (2003). A hand-held polarized-light camera for the detection of skin cancer borders. In L. M. Hanssen (Ed.), Proceedings of SPIE - The International Society for Optical Engineering (Vol. 5192, pp. 54-60) https://doi.org/10.1117/12.534100

A hand-held polarized-light camera for the detection of skin cancer borders. / Ramella-Roman, Jessica C.; Lee, Ken; Jacques, Steven.

Proceedings of SPIE - The International Society for Optical Engineering. ed. / L.M. Hanssen. Vol. 5192 2003. p. 54-60.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ramella-Roman, JC, Lee, K & Jacques, S 2003, A hand-held polarized-light camera for the detection of skin cancer borders. in LM Hanssen (ed.), Proceedings of SPIE - The International Society for Optical Engineering. vol. 5192, pp. 54-60, Optical Diagnostic Methods for Inorganic Materials III, San Diego, CA, United States, 8/6/03. https://doi.org/10.1117/12.534100
Ramella-Roman JC, Lee K, Jacques S. A hand-held polarized-light camera for the detection of skin cancer borders. In Hanssen LM, editor, Proceedings of SPIE - The International Society for Optical Engineering. Vol. 5192. 2003. p. 54-60 https://doi.org/10.1117/12.534100
Ramella-Roman, Jessica C. ; Lee, Ken ; Jacques, Steven. / A hand-held polarized-light camera for the detection of skin cancer borders. Proceedings of SPIE - The International Society for Optical Engineering. editor / L.M. Hanssen. Vol. 5192 2003. pp. 54-60
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