| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a distinctive display format of a machine-readable dot pattern that does not spoil fine sight of an image displayed on a display device. <P>SOLUTION: By providing a contrast control region recognizable from a peripheral image, and/or an anti-aliasing region around a dot, a dot pattern is made machine-readable. <P>COPYRIGHT: (C)2012,JPO&INPIT |
