| 摘要 |
PCT No. PCT/JP94/01981 Sec. 371 Date May 23, 1996 Sec. 102(e) Date May 23, 1996 PCT Filed Nov. 24, 1994 PCT Pub. No. WO95/15055 PCT Pub. Date Jun. 1, 1995An image pickup system including an image pickup device (4) for taking an image from an object (1) containing a periodic pattern and outputting an image signal (5), a zoom lens (2) for forming an object image on the image pickup device, a moire amount detection circuit (10) for detecting an amount of moire from the image signal (5), and an imaging magnification control circuit including a differentiating circuit (18) provided for setting a magnification of the zoom lens (2) and finely adjusting the magnification of the zoom lens (2) to allow the amount of moire detected by the moire amount detection circuit (10) to become below the setting value, a positive/negative determination circuit (20), a system controller (22), and a ROM (24).
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