Patent ID: 8570338

Claim:
An information processing device, comprising: color gamut information generating means configured to generate color gamut information representing the color gamut of image data based on table information indicating the highest chroma point at each equal hue plane regarding a plurality of equal hue planes, wherein, for each hue plane, the color gamut information generating means approximates a color gamut shape using a triangle connecting a white point, a black point, and the highest chroma point; and transmission color gamut information generating means configured to generate transmission color gamut information that is the color gamut information in a transmission format by employing the color gamut information generated by said color gamut information generating means, wherein the transmission color gamut information includes color gamut specification information including the basic information of the color gamut and color gamut body information including the detailed information of the color gamut, and the color gamut specification information includes index information specifying a color gamut other than a known color gamut.