Acquisition and representation of pearlescent paints using an image-based goniospectrophotometer

Duck Bong Kim; Myoung Kook Seo; Kang Yeon Kim; Kwan H. Lee

doi:10.1117/1.3407431

1 April 2010 Acquisition and representation of pearlescent paints using an image-based goniospectrophotometer

Duck Bong Kim, Myoung Kook Seo, Kang Yeon Kim, Kwan H. Lee

Author Affiliations +

Optical Engineering, Vol. 49, Issue 4, 043604 (April 2010). https://doi.org/10.1117/1.3407431

Abstract

The use of pearlescent paints has grown significantly for many industrial products, due to their special visual effect, which originates from optical interference between many small pearlescent platelets. This makes the visual appearance of pearlescent paints vary with the light and view direction. Since pearlescent paints are very sensitive to specific wavelength bands, multispectrum-based representation methods that use spectral distributions give us more accurate image synthesis of them than does the use of RGB-based ones. In this paper, we present a novel image-based goniospectrophotometer system and its characterization method to acquire the spectral bidirectional reflectance distribution functions (BRDFs) for realistic image synthesis of pearlescent paints by combining two promising technologies, namely, high-dynamic-range images and multispectral images. The capability of our system is demonstrated by generating rendering results from four different material samples and comparing them with the RGB-based results and fully measured BRDF data.

©(2010) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Duck Bong Kim, Myoung Kook Seo, Kang Yeon Kim, and Kwan H. Lee "Acquisition and representation of pearlescent paints using an image-based goniospectrophotometer," Optical Engineering 49(4), 043604 (1 April 2010). https://doi.org/10.1117/1.3407431

Published: 1 April 2010

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