Digital camera images obtained using a light-emitting diode illuminator and their dermatological applications

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Background/purpose: Although digital cameras have powerful macrocapabilities, flash macrophotographs are often unsatisfactory. The aim of this study was to develop a light-emitting diode (LED) illuminator for macro digital photography that allows colorimetric investigations of the skin. Methods: We devised an LED illuminator suitable for acquiring super-macro digital images of the skin. Reference CIELAB color chart values were compared statistically with computed values from digital images in order to obtain equations for real CIELAB values. Using these, we acquired and analyzed images of various dermatological conditions using an LED illuminator. Results: The images obtained with the devised LED illuminator were more reproducible than flash-assisted photographs. With proper camera settings, the devised LED illuminator and the color analysis method developed during this study provided digital skin images containing colorimetric information. Conclusion: A digital camera equipped with an LED illuminator is a useful tool for dermatological research and clinical practice.

Original languageEnglish
Pages (from-to)11-17
Number of pages7
JournalSkin Research and Technology
Issue number1
Publication statusPublished - 2006 Feb 1



  • Color analysis
  • Digital camera
  • Image enhancement

ASJC Scopus subject areas

  • Dermatology
  • Biomedical Engineering
  • Biotechnology
  • Clinical Biochemistry
  • Computer Science (miscellaneous)

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