Three methods can be used to evaluate the colour used on architectural heritage: manual evaluation, instrumental measurement, and process restoration. Optical instruments that can obtain relatively accurate chromaticity data are ideal. As architectural h
The final rank is obtained by the row-column elimination method applied to the probability matrix Pp∗ [165]. These algorithms are schematically presented uniquely in Figure 1. Mathematics 2021, 9, 304 matics 2021, 9, x FOR PEER REVIEW 14 of 29 14 of 29 Figure 1. Block diagram of alg...