<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Humans recognize objects visually on the basis of material composition as well as shape. To acquire a certain level of photorealism, it is necessary to analyze, how the materials scatter the incident light. The key quantity for expressing the directional optical effect of materials on the incident radiance is the bidirectional reflectance distribution function (BRDF). Our work is devoted to the BRDF measurements, in order to render the synthetic images, mostly of the metallic paints. We measured the spectral reflectance off multiple paint samples then used the measured data to fit the analytical BRDF model, in order to acquire its parameters. In this paper we describe the methodology of the image synthesis from measured data. Materials such as the metallic paints exhibit a sparkling effect caused by the metallic particles scattered within the paint volume. Our analysis of sparkling effect is based on the processing of the multiple photographs. Results of analysis and the measurements were incorporated into the rendering process of car paint</p></abstract>

Humans recognize objects visually on the basis of material composition as well as shape. To acquire a certain level of photorealism, it is necessary to analyze, how the materials scatter the incident light. The key quantity for expressing the directional optical effect of materials on the incident radiance is the bidirectional reflectance distribution function (BRDF). Our work is devoted to the BRDF measurements, in order to render the synthetic images, mostly of the metallic paints. We measured the spectral reflectance off multiple paint samples then used the measured data to fit the analytical BRDF model, in order to acquire its parameters. In this paper we describe the methodology of the image synthesis from measured data. Materials such as the metallic paints exhibit a sparkling effect caused by the metallic particles scattered within the paint volume. Our analysis of sparkling effect is based on the processing of the multiple photographs. Results of analysis and the measurements were incorporated into the rendering process of car paint

Metallic paint appearance measurement and rendering

Mathematics, Physics and Informatics, Comenius University, 842 48 Bratislava, Slovak Republic http://www.fmph.uniba.sk

Faculty of Mathematics, Physics and Informatics, Comenius University, 842 48 Bratislava, Slovak Republic http://www.fmph.uniba.sk

Journal of Applied Mathematics, Statistics and Informatics

{"article-title":"Metallic paint appearance measurement and rendering"}

Humans recognize objects visually on the basis of material composition as well as shape. To acquire a certain level of photorealism, it is necessary to...

Metallic paint appearance measurement and rendering

Published Online: Mar 07, 2014

Page range: 25 - 39

DOI: https://doi.org/10.2478/jamsi-2013-0010

Keywords
BRDF, texture, rendering, metallic paint, measurements

This content is open access.

Metallic paint appearance measurement and rendering

Published Online: Mar 07, 2014

Page range: 25 - 39

DOI: https://doi.org/10.2478/jamsi-2013-0010

KeywordsBRDF, texture, rendering, metallic paint, measurements

This content is open access.

Keywords
BRDF, texture, rendering, metallic paint, measurements