| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a printing medium which is capable of expressing vivid colors without increasing the number of colors and capable of suppressing a printing cost of a dot pattern printing; and an information processing method and an information processing device which use the printing medium. <P>SOLUTION: On the printing medium, a dot pattern in which grid dots are disposed in accordance with a predetermined rule to define information and a character, a design, a picture, or the like which is printed with halftones are subjected to the superposed printing. The printing medium is characterized in that the printing is performed so that dots on the printing medium are detected from lightness information recorded in bitmap image data by a predetermined method, and whether the dots are the grid dots which constitute the dot pattern or the halftones is judged by an image analysis processing means. According to those, it is possible to perform a superposed printing of a graphic and a dot pattern with one color, which has been considered to be impossible, without using inks having different frequency characteristics. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
