Reconstruction of Reflectance Curves from CIEXYZ Values Using Interpolation Method in Three Dimensional Space

Authors

1 Department of Color Physics, Institute for Color Science and Technology

2 Textile Engineering Department, Amirkabir University of Technology

3 Faculty of Sciences, Semnan University

Abstract

In this paper, the linear interpolation technique is applied to reconstruct the reflectance curves of the Munsell color chips from their tristimulus color coordinates. Interpolation method has been applied by using a look-up table (LUT) for transforming color values from the color space to the second multi-dimensional spectrophotometric domain. Tristimulus values of Munsell color chips have been used for creating the look-up table. Results of recovery are evaluated by the metamerism index under two different standard light sources and the root mean square (RMS) error. The results showed that the metamerism indices between the actual and the reconstructed curves were totally small. The negligible values of the RMS error also indicate the suitability of the proposed method.

Keywords