COLOR SIGNAL PROCESSING DEVICE

摘要

A color signal processing device generates image data which is displayed on a display device which presents color employing at least four primary colors. The color signal processing device comprises: an acquisition unit which acquires color signals relating to three primary colors, said color signals for image data which further comprises a plurality of pixels; an alteration unit which alters the size of the values of the acquired color signals relating to the three primary colors; and a conversion unit which converts the altered color signals relating to the three primary colors into color signals relating to four primary colors. When a color saturated pixel is included in a prescribed region, the alteration unit alters the value of a color signal of at least one primary color out of the three primary colors for a pixel group included in the prescribed region to be smaller. A color saturated pixel is a pixel having a color which a color signal denotes after conversion by the conversion unit as a color outside a gamut that can be displayed on a display device.