goniochromism

2019, Aditya Sole, Davit Gigilashvili, et al., On the Acquisition and Reproduction of Material Appearance, Shoji Tominaga, Raimondo Schettini, Alain Trémeau, Takahiko Horiuchi (editors), Computational Color Imaging: 7th International Workshop, Proceedings, Springer, LNCS 11418, page 27, Multi-angle instruments and BRDF measuring instruments have been developed to assess goniochromism, i.e. the dependency of perceived colour on the illumination and viewing geometry, which is especially important for special effect coatings, but also significant for other materials such as dyed papers [31].