FIG. 12 is a diagram for explaining that an error occurs between prediction values and actual measurement values regarding spectral reflectances of the characteristics-acquired gradation value.
FIG. 13 is diagrams for explaining calculation of second relational equations in a second embodiment of the present invention.
FIG. 14 is a diagram for explaining an effect in the second embodiment.
FIG. 15 is a graph for explaining ac effect in the second embodiment.
FIG. 16 is a diagram for explaining unions in a third embodiment of the present invention.
FIG. 17 is a flowchart illustrating a procedure of a spectral reflectances prediction process in the third embodiment.
FIG. 18 is a diagram for explaining a case in which spectral reflectances of all gradation values included in unions are obtained regarding a reference color in the third embodiment.
FIG. 19 is a diagram for explaining the technique of Deshpande et al., relating to a conventional example.
FIG. 20 is a diagram schematically illustrating an example of a C×F chart relating to the conventional example.
FIG. 21 is a flowchart for explaining the technique of Deshpande et al., relating to the conventional example.
