| http://www.w3.org/ns/prov#value | - U.S. Publication Nos. 2005/0195316 and 2006/0092315 describe the use of alternative illuminating techniques to highlight and emphasize skin conditions, such as wrinkles or acne, wherein one or more flash units 12, 14, 16, 18, which are capable of producing light of a particular wavelength are activated and an image of a subject S is captured with a camera 20.
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