| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an information expression method for easily performing data processing after data are fetched by an image pickup device. <P>SOLUTION: A first shape pattern specifying the center of a first virtual circle is arranged, and a second shape pattern is arranged on the first virtual circle, and third shape patterns whose number is calculated based on included information are arranged on a second virtual circle specified by a prescribed radius with the first shape pattern as a center within the first virtual circle so that it is possible to correct information relating to the radial direction, and to correct the distortion of the virtual circle, based on a direction and distance going from the first shape pattern to the second shape pattern. <P>COPYRIGHT: (C)2012,JPO&INPIT |
