High sensitivity optical measurement of skin gloss

Anna Ezerskaia, Arno Ras, Pascal Bloemen, Silvania F. Pereira, H. Paul Urbach, Babu Varghese

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)
54 Downloads (Pure)

Abstract

We demonstrate a low-cost optical method for measuring the gloss properties with improved sensitivity in the low gloss regime, relevant for skin gloss properties. The gloss estimation method is based on, on the one hand, the slope of the intensity gradient in the transition regime between specular and diffuse reflection and on the other on the sum over the intensities of pixels above threshold, derived from a camera image obtained using unpolarized white light illumination. We demonstrate the improved sensitivity of the two proposed methods using Monte Carlo simulations and experiments performed on ISO gloss calibration standards with an optical prototype. The performance and linearity of the method was compared with different professional gloss measurement devices based on the ratio of specular to diffuse intensity. We demonstrate the feasibility for in-vivo skin gloss measurements by quantifying the temporal evolution of skin gloss after application of standard paraffin cream bases on skin. The presented method opens new possibilities in the fields of cosmetology and dermatopharmacology for measuring the skin gloss and resorption kinetics and the pharmacodynamics of various external agents.

Original languageEnglish
Article number#296244
Pages (from-to)3981-3992
Number of pages12
JournalBiomedical Optics Express
Volume8
Issue number9
DOIs
Publication statusPublished - 2017

Keywords

  • Dermatology
  • Medical optics instrumentation
  • Optical diagnostics for medicine
  • Spectroscopy, tissue diagnostics

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