Patent ID: 7995838

Claim:
A color chart processing apparatus comprising: a calculation section which: (i) calculates a plurality of pieces of color chart spectral information under determination illumination light using a plurality of pieces of spectral information of spectral reflection factors contained in a color chart and spectral information of the determination illumination light which is information of illumination light used for color chart determination, (ii) determines which one of the plurality of pieces of color chart spectral information under the determination illumination light most closely matches spectral information of a subject obtained from a subject signal, and (iii) outputs a color chart ID that identifies the determined piece of color chart spectral information; a mixing ratio database which stores information regarding a mixing ratio of a plurality of materials for producing a color corresponding to each color chart ID; and a mixing ratio information output section which, based on the information regarding the mixing ratio stored in the mixing ratio database, outputs information of a mixing amount of each of the plurality of materials for the color chart ID output from the calculation section.