1. An image processing apparatus, comprising: at least one circuit configured to: use color information of an input image to automatically determine one or more extraction color regions from a plurality of color regions, wherein: the input image comprises a first partial region and a second partial region; the first partial region of the input image comprises one or more pixels having color information that is classified as belonging to at least one extraction color region of the one or more automatically determined extraction color regions; and the second partial region of the input image comprises one or more pixels having color information that is not classified as belonging to the at least one extraction color region; and perform image processing on the second partial region of the input image to obtain an output image, wherein: the image processing performed on the second partial region comprises reducing saturation only in the second partial region.