| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pattern with coded two-dimensional information without being noticed by a user especially, and it without impairing peripheral scenery. <P>SOLUTION: In this pattern formed by arranging a plurality of graphic groups on two-dimensions, each graphic group is configured of the common predetemined number of and predetemined types of the patterns, and two-dimensional position information is assigned to each graphic group forming the pattern, each graphic group consequently configures ID corresponding to the two-dimensional position information, and the orientation of at least one graphic configuring the graphic group is made different between the respective graphic groups, thereby each ID is identifiable by image processing. <P>COPYRIGHT: (C)2008,JPO&INPIT |
