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Appl Opt. 2010 Sep 20;49(27):5081-6. doi: 10.1364/AO.49.005081.

Definition and measurement of statistical gloss parameters from curved objects.

Applied optics

Kalle Kuivalainen, Antti Oksman, Kai-Erik Peiponen

Affiliations

  1. Department of Physics and Mathematics, University of Eastern Finland, Joensuu Campus, P.O. Box 111, FI-80101 Joensuu, Finland. [email protected]

PMID: 20856281 DOI: 10.1364/AO.49.005081

Abstract

Gloss standards are commonly defined for gloss measurement from flat surfaces, and, accordingly, glossmeters are typically developed for flat objects. However, gloss inspection of convex, concave, and small products is also important. In this paper, we define statistical gloss parameters for curved objects and measure gloss data on convex and concave surfaces using two different diffractive-optical-element-based glossmeters. Examples of measurements with the two diffractive-optical-element-based glossmeters are given for convex and concave aluminum pipe samples with and without paint. The defined gloss parameters for curved objects are useful in the characterization of the surface quality of metal pipes and other objects.

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