| 摘要 |
PROBLEM TO BE SOLVED: To correct inequality of sensitivity of an image pickup element. SOLUTION: This system has an image pickup element in which pixels are arrayed two-dimensionally, a first multiply circuit 18 for multiplying one- dimensional correction data in the horizontal direction to the output of the element 5 to be outputted through an A/D conversion part 7, a second multiply circuit 19 for multiplying one-dimensional correction data in the vertical direction to the multiply result, a selector 16 for selecting one-dimensional correction data in the horizontal direction, and a selector 17 for selecting one-dimensional correction data in the vertical direction to switch a selector 16 or 17 in accordance with the position (horizontal address, vertical address) of the pixel of interest.
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