Effect of gloss on perceived lightness

Kazuomi Sakatani; Tetsuya Itoh

doi:10.1117/12.464612

6 June 2002 Effect of gloss on perceived lightness

Kazuomi Sakatani, Tetsuya Itoh

Proceedings Volume 4421, 9th Congress of the International Colour Association; (2002) https://doi.org/10.1117/12.464612
Event: 9th Congress of the International Color Association, 2001, Rochester, NY, United States

Abstract

In this paper, we propose a calculation model that gives a unique metric-lightness for object-colors, which is independent of different kinds of colorimeters and also matches the actually perceived lightness. Each colorimetric result with different types of measuring geometry, for example, 0/45, d/8(SCI), and d/8(SCE), can be considerably different from others, because of the influence f the component reflected normally from the sample surface. In order to investigate the difference between the actual sensation and each output of measuring geometry, we have made a subjective experiment for many achromatic samples that are composed of various levels of reflectance and those of gloss. As a result, the measured results with d/8(SCE) are shown to be closest to human perception. However, by relating the correlation of gloss to the metric-lightness for any measuring geometry, these differences for the same sample can be decreased.

Citation Download Citation

Kazuomi Sakatani and Tetsuya Itoh "Effect of gloss on perceived lightness", Proc. SPIE 4421, 9th Congress of the International Colour Association, (6 June 2002); https://doi.org/10.1117/12.464612

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