Patent ID: 6891641
Filing Date: 2005-05-10
Classification: H04N

Abstract:
1. An image processing apparatus comprising: an error giving portion for correcting a color of each pixel of an input image in accordance with error data; an output color selection portion for converting the color corrected by the error giving portion into a color selected from a plurality of the reproducible colors in accordance with a predetermined rule; an error calculation portion for generating data for diffusing a color error generated in the conversion by the output color selection portion into pixels surrounding a target pixel of the input image, and for giving the generated data as error data to the error giving portion; a rule setting portion for selecting one of plural rules in accordance with input particular data, and for giving the selected data as the predetermined rule to the output color selection portion; and an output color memorizing portion for memorizing the result of the color conversion by the output color selection portion, wherein the particular data indicate the result of the color conversion for the pixels surrounding the target pixel.