| 摘要 |
<P>PROBLEM TO BE SOLVED: To accurately detect a position of an image pickup target even while a captured image is blurred. <P>SOLUTION: In a game machine, a predetermined image pickup target including a first graphic in which a plurality of internal graphics are drawn is detected from a captured image which is picked up by imaging means. The game machine first acquires the captured image picked up by the imaging means and detects a region of the first graphic from the captured image. The game machine then detects the plurality of internal graphics out of the detected region, respectively, and detects a position of the predetermined image pickup target by calculating center positions of the respective internal graphics. <P>COPYRIGHT: (C)2012,JPO&INPIT |
