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Statistical parameters and analysis of local contrast gloss
Antti Oksman1, Mikko Juuti, Kai-Erik Peiponen
1Department of Physics and Mathematics, University of Joensuu, P.O. Box 111, FI-80101 Joensuu, Finland. antti.oksman@joensuu.fi
Optics Express
|August 6, 2008
Summary
This study introduces new statistical parameters for local contrast gloss (luster) measurement. These parameters enable detailed characterization of product surfaces, advancing gloss analysis beyond macroscopic scales.
Area of Science:
- * Optical Metrology and Surface Characterization
Background:
- * Traditional contrast gloss measurement is limited to macroscopic areas.
- * Lack of statistical parameters hinders detailed classification of contrast gloss.
- * Surface roughness has established statistical parameters for classification.
Purpose of the Study:
- * To define novel statistical parameters for diffuse component and local contrast gloss.
- * To utilize these parameters for characterizing printed surfaces.
- * To advance the field of gloss measurement beyond macroscopic scales.
Main Methods:
- * Development of a novel sensor for local contrast gloss detection.
- * Definition of new statistical parameters for diffuse and contrast gloss components.
- * Application of parameters using measured gloss maps (specular, diffuse, contrast).
Main Results:
- * Successful definition of novel statistical parameters for local gloss analysis.
- * Demonstrated utility of these parameters in characterizing prints.
- * Provided a foundation for statistical classification of local contrast gloss.
Conclusions:
- * The developed statistical parameters offer a new method for detailed surface characterization.
- * This work establishes a basis for future classification of local contrast gloss.
- * The sensor and parameters represent a significant advancement in optical metrology for product quality assessment.
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