Patent ID: 6331898
Filing Date: 2001-12-18
Classification: G06K,H04N

Abstract:
A code printing apparatus for printing a color image including a code on a recording medium, comprising:a dot pattern storage device, arranged for storing a plurality of dot patterns corresponding to a predetermined pixel density, each of the dot patterns corresponding to code data;a calculator, arranged for calculating a number L of continuous pixels required to represent input code data;a color obtaining device, arranged for obtaining the color of pixels in which the input code data is to be inlaid on the basis of the color which has the highest occurrences in at least L continuous pixels of an input color image;a density determiner, arranged for determining the density of each pixel having an obtained color;a controller, arranged for reading out a dot pattern corresponding to input code data from among the plurality of dot patterns having the density of the pixel determined by said density determiner, and for converting the colors of pixels of the color image into the dot patterns corresponding to the input code data; anda printer, arranged for printing the color image including the dot patterns obtained in the converting operation performed by said controller.