Patent ID: 8498016
Filing Date: 2013-07-30
Classification: H04N

Abstract:
1. An image processing apparatus that executes processing of image data that are composed of data representing gradation of each pixel, the image data being used for printing by a printer, the apparatus comprising: a smoothing unit constructed to execute smoothing processing of the image data; a gradation adjustment unit constructed to adjust gradation of the image data that has been smoothed by the smoothing unit; and a color conversion unit constructed to execute conversion processing of the image data that has been adjusted by the gradation adjustment unit, wherein the gradation adjustment unit includes processing that, with respect to a color which is converted into a color having a blacking lightness, and which is reproduced as a black in a printer gamut by the color conversion unit, converts a color of lightness having lower lightness than the blacking lightness into a color of lightness within a predetermined range including a color of lightness equal to or higher than the blacking lightness, each color of lightness within the predetermined range corresponding to a different color of lightness having the lower lightness.