Quiroga Mellado, Juan AntonioAlonso Fernández, JoséZoido Chamorro, Jesús ManuelBernabéu Martínez, Eusebio2023-06-202023-06-20© 1994 Opt1994-09-10Quiroga Mellado, J. A., Alonso Fernández, J., Zoido Chamorro, J. M., Bernabéu Martínez, E. «Colorimetric Matching by Minimum-Square-Error Fitting». Applied Optics, vol. 33, n.o 26, septiembre de 1994, pp. 6139-41. opg.optica.org, https://doi.org/10.1364/AO.33.006139.0003-693510.1364/AO.33.006139https://hdl.handle.net/20.500.14352/58804Least-squares approximation can be used in image-based colorimetry once the set of sampling functions is selected. We discuss the accuracy obtained in earlier research, and we compare it with a better calculation method.engjournal articlehttp://dx.doi.org/10.1364/AO.33.006139http://www.opticsinfobase.org/open access535ColorimetryLeast-Squares FittingÓptica (Física)2209.19 Óptica Física