Patent ID: 7360869
Filing Date: 2008-04-22
Classification: B41J,G06K,H04N

Abstract:
1. An image processing apparatus for processing image data output to an ink-jet recording apparatus for performing color recording using inks of a plurality of colors, comprising: a thinning unit configured to apply the processing of thinning dots recorded with the inks of the plurality of colors to image data corresponding to each of the inks of the plurality of colors; a generation unit configured to generate recording data for performing recording with the inks of the plurality of colors based on the image data processed by the thinning unit; a color-conversion processing section configured to convert input data into data corresponding to each of the plurality of colors; a gamma correction section configured to apply gamma correction to the data corresponding to each of the plurality of colors; and a quantization processing section configured to convert the data subjected to gamma correction by the gamma correction section into quantized data, wherein the gamma correction section performs correction to decrease a grayscale value represented by data, and causes gamma correction for data corresponding to a chromatic ink from among the plurality of inks to differ from gamma correction for data corresponding to an achromatic ink from among the plurality of inks, and wherein the thinning unit causes thinning processing for image data corresponding to a chromatic ink from among the plurality of inks to differ from thinning processing for image data corresponding to an achromatic ink from among the plurality of inks.